含情態(tài)動(dòng)詞的被動(dòng)語態(tài)講解及練習(xí)

1、 第七單元語法知識(shí) 第七單元語法知識(shí)含有情態(tài)動(dòng)詞的被動(dòng)語態(tài)，情態(tài)動(dòng)詞有 含有情態(tài)動(dòng)詞的被動(dòng)語態(tài)，情態(tài)動(dòng)詞有 should, may, might, can, could, must，will,would 等。 等。一、基本句型結(jié)構(gòu)：1、肯定句：主語 肯定句：主語+情態(tài)動(dòng)詞 情態(tài)動(dòng)詞+be+ +be+過去分詞（ 過去分詞（+by...) +by...)eg: Teenagers should

2、 be allowed to go shopping.Tables can be made of stones. The work must be finished today.The flowers may be planted in February.2、否定句：主語 、否定句：主語+情態(tài)動(dòng)詞 情態(tài)動(dòng)詞+not +not +be+ +be+ 過去分詞（ 過去分詞（+by...) +by...)eg: Teenagers should

3、n’t be allowed to go shopping.Tables can’t be made of stones.The work mustn’t be finished today. (mustn’t [?m?snt]: 不能）The flowers mayn’t [me?nt] be planted in February. 3、一般疑問句：情態(tài)動(dòng)詞 、一般疑問句：情態(tài)動(dòng)詞+主語 主語+be+過去分詞 過去分詞（+by..

4、.) +by...)？eg: Should teenagers be allowed to go shopping?Yes, they should. No, they shouldn’t.Can tables be made of stones? Yes, they can. No, they can’t.Must the work be finished today?Yes, it must. No, it

5、needn’t./ No, it don’t have to.May the flowers be planted in February? Yes, they may. No, they mayn’t.4、特殊疑問句：特殊疑問詞 特殊疑問句：特殊疑問詞+情態(tài)動(dòng)詞 情態(tài)動(dòng)詞+主語 主語+be+ 過去分詞 過去分詞（+by...) +by...)？eg: What should teenagers be allowed?What can

6、 tables be made of?When must be work be finished? When may the flowers be planted?You _________ _________ _________ the lights when you leave the classroom.7. What school rules do you think should be ________