Grammar: The Passive (II)

am/is/are + present participle

• We are washing my car

am/is/are + being + past participle

• My car is being washed

was/were + past participle

• They were explaining the rules

was/were + being + past participle

• The rules were being explained

have/has + past participle

• We have cleaned the room

have/has + been + past participle

• The room has been cleaned

had + past participle

• They had watched the film

had + been + past participle

• The film had been watched

modal verb + infinitive

• You can catch the ball

modal verb + be + past participle

• The ball can be caught