九年级英语Unit+7含情态动词的被动语态ppt.15张

九年级英语新目标

含情态动词的被动语态

九年级英语新目标

含情态动词的被动语态

can, could (能；会), may; might (可以) must(必须), should(应该), will; would(愿意) have to(必须；不得不), had better(最好做)

九年级英语新目标

情态动词+be +过去分词

can/could must should may/might had better have to

九年级英语新目标

情态动词+not + be + 过去分词can/could must should may/might had better

九年级英语新目标

情态动词+ 主语+ be + 过去分词Can/Could Must Should May

九年级英语新目标

疑问词+情态动词+ 主语+ be + 过去分词 can/could must should may/might

九年级英语新目标

We should allow teenagers to watch TV on Sunday. Teenagers should be allowed to watch TV on Sunday( by us) .

九年级英语新目标

People may catch fish in the river. Fish may be caught in the river (by people).

九年级英语新目标

1.My mother can cook delicious meals. Delicious meals can be cooked by my mother. 2. Students will use these textbooks next term. These textbooks will be used next term.

九年级英语新目标

3. You should water trees often . Trees should be watered often . 4.You must not plant trees in very dry earth . Trees must not be planted in very dry earth.

九年级英语新目标

1.I can finish the work. The work can be finished by me.一般问句：

Can the work be finished by you? 2.We should plant many more trees.Many more trees should be planted by us.一般问句：

Should many more trees be planted by us?

九年级英语新目标

3.Parents should allow teenagers to drive the car. Teenagers should be allowed to drive the car .一般问句：

Should teenagers be allowed to drive the car ?

4.They must water trees every day. Trees must be watered every day.一般问句：

Must trees be watered every day?

九年级英语新目标

Sixteen-year-olds should be allowed to drive. (改为否定句) Sixteen-year-olds shouldn’t be allowed to drive. I think the work should be done at once. (改为否定句) I don’t think the work should be done at once.

九年级英语新目标

1.The flowers ___often. A. must be water B. must be watered C. must watered D. must water 2. The books may___ for two weeks. A. be kept B. be borrowed C. keep D. borrow 3 The broken bike____ here by Mr Smith. A. can mend B. can mended C. can be mend D. can be mended 4.Young trees should ________ every year. A. be planted B. planted C. plant D. are planted