Simple Present
Present Continuous
Present Perfect
Simple Past
Simple Future
100

Change to passive voice : They clean the classroom every day

The classroom is cleaned every day

100

Change to passive voice : She is writing an email now

An email is being written now

100

Change to passive voice : They have repaired the car. 

The car has been repaired.

100

Change to passive voice : He cleaned the classroom yesterday. 

The classroom was cleaned yesterday.

100

Change to passive voice : The teacher will explain the lesson tomorrow. 

The lesson will be explained by the teacher tomorrow

200

Change to passive voice : The teacher checks the homework every day 

The homework is checked by the teacher every day

200

Change to passive voice : She is not writing a letter right now. 

A letter is not being written (by her)

200

Change to passive voice : The students have not completed the project. 

The project has not been completed (by the students).

200

Change to passive voice : Did they sell the car last week? 

Was the car sold last week?

200

Change to passive voice : They will not finish the project next month 

The project will not be finished next month

300

Correct the error: The letter is not send by the manager every week 

The letter is not sent by the manager every week

300

Correct the error : The room are being clean at the moment 

The room is being cleaned at the moment

300

Correct the error : The invitations have been send to all guests. 

The invitations have been sent to all guests.

300

Correct the error : The cake were not baked by my mom last night. 

The cake was not baked by my mom last night.

300

Correct the error : The exam will be check by the teacher next week 

The exam will be checked by the teacher next week

400

Correct the error : Is this shop close at 9 p.m. every night? 

Is this shop closed at 9 p.m. every night?

400

Correct the error : Are the students is being taught by two teachers now? 

Are the students being taught by two teachers now?

400

Correct the error : The documents has been lost by the secretary. 

The documents have been lost by the secretary.

400

Correct the error : The letter was write by him yesterday. 

The letter was written by him yesterday.

400

Correct the error : Will the meeting being held next Monday? 

Will the meeting be held next Monday?

500

Correct the error : Many cars is made in Japan 

Many cars are made in Japan

500

Correct the error : A new hospital being built in the city.

A new hospital is being built in the city.

500

Correct the error : The windows have been broke during the storm. 

The windows have been broken during the storm.

500

Correct the error : Were the new rules was announced to the students last week? 

Were the new rules announced to the students last week?

500

Correct the error : The documents will have be signed by the director. 

The documents will have been signed by the director

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