英语八大时态及被动语态时态主动结构被动结构主动例句被动例句一般现在时do/doesam/is/are+doneWe clean the classroom.The classroom is cleaned by us.一般过去时didwas/were+doneHe made a kite.The kite was made by him.一般将来时will bewill be+doneThey will plant trees tomorrow.The trees will be planted by them tomorrow.现在进行时am/is/are+doingam/is/are+being doneShe is watering flowers.The flowers are being watered by her.过去进行时was/were+doingwas/were+being doneShe was writing a letter this time
