Active & Passive Voice Question Bank for C-CAT
Topic-wise Active & Passive Voice MCQs for CDAC C-CAT preparation with answers and explanations.
Convert to passive voice:
"The company will launch a new product."
AA new product will launched by the company.
BA new product is launched by the company.
CA new product will be launched by the company.
DA new product was launched by the company.
Show Answer & Explanation
Correct Answer: C - A new product will be launched by the company.
Future tense passive: will be + past participle. "Will be launched" is correct.
Convert to passive voice:
"She is writing a letter."
AA letter is written by her.
BA letter has been written by her.
CA letter was being written by her.
DA letter is being written by her.
Show Answer & Explanation
Correct Answer: D - A letter is being written by her.
Present continuous passive: is/are being + past participle.
Convert to active voice:
"The cake was eaten by the children."
AThe children eat the cake.
BThe children ate the cake.
CThe children have eaten the cake.
DThe children were eating the cake.
Show Answer & Explanation
Correct Answer: B - The children ate the cake.
"Was eaten" (past passive) becomes "ate" (past active).
Convert to passive voice:
"They have completed the project."
AThe project has been completed by them.
BThe project is completed by them.
CThe project was completed by them.
DThe project had been completed by them.
Show Answer & Explanation
Correct Answer: A - The project has been completed by them.
Present perfect passive: has/have been + past participle.
Convert to passive voice:
"The teacher is explaining the lesson."
AThe lesson is being explained by the teacher.
BThe lesson is explained by the teacher.
CThe lesson was explained by the teacher.
DThe lesson will be explained by the teacher.
Show Answer & Explanation
Correct Answer: A - The lesson is being explained by the teacher.
Present continuous passive: is being + past participle.
Convert to passive voice:
"Someone stole my wallet."
AMy wallet is stolen.
BMy wallet has been stolen.
CMy wallet was stolen.
DMy wallet had been stolen.
Show Answer & Explanation
Correct Answer: C - My wallet was stolen.
Past simple passive: was/were + past participle. "By someone" is usually omitted.
Convert to active voice:
"The letter will be posted by John."
AJohn posts the letter.
BJohn will post the letter.
CJohn posted the letter.
DJohn is posting the letter.
Show Answer & Explanation
Correct Answer: B - John will post the letter.
"Will be posted" (future passive) becomes "will post" (future active).
Convert to passive voice:
"People speak English all over the world."
AEnglish is spoken all over the world.
BEnglish was spoken all over the world.
CEnglish has been spoken all over the world.
DEnglish is being spoken all over the world.
Show Answer & Explanation
Correct Answer: A - English is spoken all over the world.
General truths in passive: is + past participle. "By people" is omitted.
Convert to passive voice:
"The mechanic is repairing the car."
AThe car is repaired by the mechanic.
BThe car was repaired by the mechanic.
CThe car is being repaired by the mechanic.
DThe car has been repaired by the mechanic.
Show Answer & Explanation
Correct Answer: C - The car is being repaired by the mechanic.
Present continuous passive: is being + past participle.
Convert to passive voice:
"They had finished the work before noon."
AThe work is finished before noon.
BThe work had been finished before noon.
CThe work was finished before noon.
DThe work has been finished before noon.
Show Answer & Explanation
Correct Answer: B - The work had been finished before noon.
Past perfect passive: had been + past participle.
Convert to passive voice:
"The police arrested the thief."
AThe thief is arrested by the police.
BThe thief has been arrested by the police.
CThe thief was arrested by the police.
DThe thief will be arrested by the police.
Show Answer & Explanation
Correct Answer: C - The thief was arrested by the police.
Past simple passive: was/were + past participle. "Arrested" becomes "was arrested".
Convert to active voice:
"A song is being sung by her."
AShe is singing a song.
BShe sings a song.
CShe sang a song.
DShe has sung a song.
Show Answer & Explanation
Correct Answer: A - She is singing a song.
"Is being sung" (present continuous passive) becomes "is singing" (present continuous active).
Convert to passive voice:
"Mother cooks delicious food."
ADelicious food is cooked by mother.
BDelicious food was cooked by mother.
CDelicious food is being cooked by mother.
DDelicious food has been cooked by mother.
Show Answer & Explanation
Correct Answer: A - Delicious food is cooked by mother.
Present simple passive: is/are + past participle.
Convert to passive voice:
"He can solve this problem."
AThis problem can solved by him.
BThis problem can be solved by him.
CThis problem could be solved by him.
DThis problem is solved by him.
Show Answer & Explanation
Correct Answer: B - This problem can be solved by him.
Modal passive: modal + be + past participle. "Can solve" becomes "can be solved".
Convert to active voice:
"The homework has been completed by the students."
AThe students complete the homework.
BThe students have completed the homework.
CThe students completed the homework.
DThe students are completing the homework.
Show Answer & Explanation
Correct Answer: B - The students have completed the homework.
"Has been completed" (present perfect passive) becomes "have completed" (present perfect active).
Convert to passive voice:
"You must finish the assignment today."
AThe assignment was finished today.
BThe assignment must finished today.
CThe assignment is finished today.
DThe assignment must be finished today.
Show Answer & Explanation
Correct Answer: D - The assignment must be finished today.
Modal passive: must + be + past participle. "Must finish" becomes "must be finished".
Convert to passive voice:
"They were watching the movie."
AThe movie is being watched.
BThe movie was being watched by them.
CThe movie was watched by them.
DThe movie has been watched by them.
Show Answer & Explanation
Correct Answer: B - The movie was being watched by them.
Past continuous passive: was/were being + past participle.
Convert to active voice:
"The window was broken by the ball."
AThe ball breaks the window.
BThe ball has broken the window.
CThe ball is breaking the window.
DThe ball broke the window.
Show Answer & Explanation
Correct Answer: D - The ball broke the window.
"Was broken" (past passive) becomes "broke" (past active).
Convert to passive voice:
"The gardener waters the plants daily."
AThe plants are being watered daily by the gardener.
BThe plants were watered daily by the gardener.
CThe plants are watered daily by the gardener.
DThe plants have been watered daily by the gardener.
Show Answer & Explanation
Correct Answer: C - The plants are watered daily by the gardener.
Present simple passive: is/are + past participle. Habitual actions use simple present passive.
Convert to passive voice:
"Someone will inform you about the results."
AYou will informed about the results.
BYou are informed about the results.
CYou will be informed about the results.
DYou have been informed about the results.
Show Answer & Explanation
Correct Answer: C - You will be informed about the results.
Future passive: will be + past participle. "By someone" is typically omitted.
Convert to passive: "The teacher praised the student."
AThe student is praised by the teacher
BThe student was praised by the teacher
CThe student has been praised
DThe student will be praised
Show Answer & Explanation
Correct Answer: B - The student was praised by the teacher
Simple past active to was/were + past participle in passive.
Convert to active: "The cake was baked by my mother."
AMy mother bakes the cake
BMy mother had baked the cake
CMy mother is baking the cake
DMy mother baked the cake
Show Answer & Explanation
Correct Answer: D - My mother baked the cake
Passive was baked to active simple past baked.
Convert to passive: "They are building a new bridge."
AA new bridge is built by them
BA new bridge has been built
CA new bridge was being built
DA new bridge is being built by them
Show Answer & Explanation
Correct Answer: D - A new bridge is being built by them
Present continuous - is/are being + past participle.
Convert to passive: "She will complete the project tomorrow."
AThe project has been completed
BThe project is completed by her
CThe project was completed by her
DThe project will be completed by her tomorrow
Show Answer & Explanation
Correct Answer: D - The project will be completed by her tomorrow
Simple future - will be + past participle.
Convert to passive: "Someone has stolen my wallet."
AMy wallet is stolen
BMy wallet was stolen
CMy wallet has been stolen
DMy wallet had been stolen
Show Answer & Explanation
Correct Answer: C - My wallet has been stolen
Present perfect - has/have been + past participle.
Convert to active: "The letter was written by her."
AShe writes the letter
BShe is writing the letter
CShe wrote the letter
DShe has written the letter
Show Answer & Explanation
Correct Answer: C - She wrote the letter
Was written (simple past passive) to wrote (simple past active).
Convert to passive: "The police arrested the suspect."
AThe suspect is arrested by the police
BThe suspect was arrested by the police
CThe suspect has been arrested
DThe suspect had been arrested
Show Answer & Explanation
Correct Answer: B - The suspect was arrested by the police
Simple past - was/were + past participle.
Convert to passive: "They had finished the work before noon."
AThe work had been finished before noon
BThe work was finished
CThe work has been finished
DThe work will be finished
Show Answer & Explanation
Correct Answer: A - The work had been finished before noon
Past perfect - had been + past participle.
Convert to passive: "People speak English worldwide."
AEnglish has been spoken
BEnglish was spoken worldwide
CEnglish is spoken worldwide
DEnglish will be spoken
Show Answer & Explanation
Correct Answer: C - English is spoken worldwide
Simple present - is/are + past participle (general truth).
Convert to active: "The match was being watched by thousands."
AThousands watch the match
BThousands were watching the match
CThousands watched the match
DThousands had watched the match
Show Answer & Explanation
Correct Answer: B - Thousands were watching the match
Was being watched (past continuous passive) to were watching (active).
Convert to passive: "The manager will have completed the report by Friday."
AThe report will have been completed by the manager by Friday
BThe report will be completed
CThe report has been completed
DThe report is being completed
Show Answer & Explanation
Correct Answer: A - The report will have been completed by the manager by Friday
Future perfect - will have been + past participle.
Convert to passive: "She is teaching the children grammar."
AThe children are taught grammar by her
BThe children are being taught grammar by her
CGrammar is being taught to the children
DBoth B and C
Show Answer & Explanation
Correct Answer: D - Both B and C
Present continuous with two objects - both constructions are valid.
Convert to passive: "Nobody can solve this problem."
AThis problem cannot be solved
BThis problem can be solved by nobody
CThis problem could not be solved
DThis problem was not solved
Show Answer & Explanation
Correct Answer: A - This problem cannot be solved
Nobody can solve to cannot be solved (negative passive).
Convert to active: "We were surprised by the news."
AThe news surprises us
BThe news has surprised us
CThe news is surprising us
DThe news surprised us
Show Answer & Explanation
Correct Answer: D - The news surprised us
Were surprised (past passive) to surprised (past active).
Convert to passive: "The company launched a new product."
AA new product is launched
BA new product has been launched
CA new product was launched by the company
DA new product will be launched
Show Answer & Explanation
Correct Answer: C - A new product was launched by the company
Simple past active - was + past participle.
Which sentence is in passive voice?
AThe dog chased the cat
BShe completed the assignment
CThey announced the results
DThe bridge was constructed in 2020
Show Answer & Explanation
Correct Answer: D - The bridge was constructed in 2020
Was constructed - the subject receives the action (passive).
Convert to passive: "You must obey the rules."
AThe rules must be obeyed by you
BThe rules must be obeyed
CThe rules are obeyed
DThe rules were obeyed
Show Answer & Explanation
Correct Answer: B - The rules must be obeyed
Modal verb passive: must + be + past participle. By you is generally omitted.
Convert to passive: "Who wrote this book?"
ABy whom was this book written?
BBy whom this book was written?
CWho was written this book by?
DThis book was written by whom?
Show Answer & Explanation
Correct Answer: A - By whom was this book written?
Who changes to By whom in passive interrogative.
Convert to active: "The injured were taken to the hospital."
ASomeone took the injured to the hospital
BThey took the injured to the hospital
CAll are correct
DPeople took the injured to the hospital
Show Answer & Explanation
Correct Answer: C - All are correct
When agent is unknown, any appropriate subject works.
Convert to passive: "Please close the door."
AThe door is closed
BLet the door be closed
CThe door was closed
DYou are requested to close the door
Show Answer & Explanation
Correct Answer: D - You are requested to close the door
Imperative sentences: You are requested to... is the passive form.
Convert to passive: "They have not yet announced the results."
AThe results had not been announced
BThe results were not announced
CThe results are not announced
DThe results have not been announced yet
Show Answer & Explanation
Correct Answer: D - The results have not been announced yet
Present perfect negative - have not been + past participle.
Convert to passive: "She gave him a gift."
ABoth A and B
BHe was given a gift by her
CA gift has been given
DA gift was given to him by her
Show Answer & Explanation
Correct Answer: A - Both A and B
With two objects, both constructions are valid passive forms.
Which is correct passive of "Do not touch the exhibits"?
AThe exhibits are not touched
BYou are advised not to touch the exhibits
CLet the exhibits not be touched
DThe exhibits should not be touched
Show Answer & Explanation
Correct Answer: B - You are advised not to touch the exhibits
Negative imperative to You are advised not to...
Convert to passive: "The mechanic is repairing the car."
AThe car is being repaired by the mechanic
BThe car is repaired
CThe car was being repaired
DThe car has been repaired
Show Answer & Explanation
Correct Answer: A - The car is being repaired by the mechanic
Present continuous - is being + past participle.
Convert to passive: "He can speak five languages."
AFive languages are spoken by him
BFive languages can be spoken by him
CFive languages were spoken
DFive languages have been spoken
Show Answer & Explanation
Correct Answer: B - Five languages can be spoken by him
Modal can - can be + past participle.
Convert to active: "A decision has been taken by the board."
AThe board has taken a decision
BThe board takes a decision
CThe board took a decision
DThe board is taking a decision
Show Answer & Explanation
Correct Answer: A - The board has taken a decision
Has been taken (present perfect passive) to has taken (active).
Convert to passive: "Mother was cooking dinner when I arrived."
ADinner was cooked by mother
BDinner had been cooked
CDinner was being cooked by mother when I arrived
DDinner is being cooked
Show Answer & Explanation
Correct Answer: C - Dinner was being cooked by mother when I arrived
Past continuous - was being + past participle.
Convert to passive: "They will send you the invitation."
ABoth A and B
BYou will be sent the invitation
CThe invitation is sent to you
DThe invitation will be sent to you
Show Answer & Explanation
Correct Answer: A - Both A and B
Two objects - both passive constructions are valid.
Which sentence CANNOT be changed to passive?
AHe reads a book
BThe dog bit the man
CThey completed the work
DShe sleeps well
Show Answer & Explanation
Correct Answer: D - She sleeps well
Sleeps is intransitive (no object) - cannot form passive.
Convert to passive: "The storm destroyed several houses."
ASeveral houses are destroyed
BSeveral houses were destroyed by the storm
CSeveral houses had been destroyed
DSeveral houses have been destroyed
Show Answer & Explanation
Correct Answer: B - Several houses were destroyed by the storm
Simple past - were + past participle.
Convert to passive: "The committee will have approved the proposal by Monday."
AThe proposal will approve by Monday.
BThe proposal will have been approved by the committee by Monday.
CThe proposal has been approved by Monday.
DThe committee will be approved by the proposal.
Show Answer & Explanation
Correct Answer: B - The proposal will have been approved by the committee by Monday.
Future perfect active becomes "will have been + past participle" in passive.
Convert to active: "The results are being analyzed by the research team."
AThe research team analyzes the results.
BThe research team is analyzing the results.
CThe results analyze the team.
DThe research team has analyzed the results.
Show Answer & Explanation
Correct Answer: B - The research team is analyzing the results.
Present continuous passive becomes present continuous active: "is analyzing".
Convert to passive: "Someone has tampered with the evidence."
AThe evidence has been tampered with.
BThe evidence was tampered.
CSomeone has been tampered with evidence.
DThe evidence is tampering with someone.
Show Answer & Explanation
Correct Answer: A - The evidence has been tampered with.
The phrasal verb "tamper with" keeps the preposition in passive: "has been tampered with".
Convert to passive: "They made him repeat the test."
AHe was made repeat the test.
BHe was made to repeat the test.
CHe made to repeat the test.
DThe test was made him repeat.
Show Answer & Explanation
Correct Answer: B - He was made to repeat the test.
With "make" in passive, use "to + verb": "was made to repeat".
Convert to active: "Let the files be reviewed before submission."
AReview the files before submission.
BThe files review before submission.
CLet review the files.
DBefore submission files are reviewed.
Show Answer & Explanation
Correct Answer: A - Review the files before submission.
Imperative passive with "let" is converted to the active command form.
Convert to passive: "Who wrote this detailed explanation?"
ABy whom was this detailed explanation written?
BWho was written this detailed explanation?
CThis explanation wrote whom?
DWhom this detailed explanation was written?
Show Answer & Explanation
Correct Answer: A - By whom was this detailed explanation written?
Question passive uses "by whom" and the correct auxiliary order.
Convert to passive: "The instructor explained the concept clearly."
AThe concept clearly explained the instructor.
BThe concept was clearly explained by the instructor.
CThe concept is clearly explaining.
DThe instructor was explained clearly.
Show Answer & Explanation
Correct Answer: B - The concept was clearly explained by the instructor.
Simple past active becomes "was/were + past participle".
Convert to active: "The error must be corrected immediately."
ASomeone must correct the error immediately.
BThe error must correct immediately.
CImmediately must be corrected error.
DThe error corrects someone.
Show Answer & Explanation
Correct Answer: A - Someone must correct the error immediately.
Modal passive becomes modal + base verb in active: "must correct".
Convert to passive: "People believe that the system is reliable."
AIt is believed that the system is reliable.
BThe system believed people are reliable.
CPeople are believed by the system.
DThat the system is reliable is believe.
Show Answer & Explanation
Correct Answer: A - It is believed that the system is reliable.
For reporting verbs, one correct passive form is "It is believed that...".
Convert to passive: "Do not disclose the password."
ALet the password not be disclosed.
BThe password does not disclose.
CDo not be disclosed the password.
DLet not disclose password.
Show Answer & Explanation
Correct Answer: A - Let the password not be disclosed.
Negative imperative passive commonly uses "Let + object + not be + past participle".