WelcomeUnit 6 When was it invented Grammar Focus被动语态 ? Tom breaks the window.???? （主动语态） ①??? ? ②??????? ??? ③The window is broken by Tom. （被动语态） ③??????????? ???? ②???????????????? ①英语的谓语动词有两种语态主动语态被动语态（前者表示句子的主语为动作的发出者，后者表示句子的主语为动作的承受者。） 从以上对比可以看出，主动句中的主语Tom在被动句中变成了短语by Tom，主动句中的宾语the window变成了被动句中的主语。口诀：主变宾，宾变主，by短语后面跟， 谓语动词变被动， be 后过分来使用。表格：被动态基本结构am/is/are donewas/were doneam/is/are being donewas/were being doneshall/will/be going to be donewould be donehave/has been donehad been doneExercise1. He eats the apple.2. He ate the apple.3. He is eating the apple.4. He was eating the apple.5. He will eat the apple.6. He would eat the apple.7. He has eaten the apple.8. He had eaten the apple.9. He can eat the apple.1. The apple is eaten by him.2. The apple was eaten by him.3. The apple is being eaten by him.4. The apple was being eaten by him.5. The apple will be eaten by him.6. The apple would be eaten by him.7. The apple has been eaten by him.8. The apple had been eaten by him.9. The apple can be eaten by him.Oral practice-主动句改被动句 Oral practice--1. Change each sent |
