eg. We use a knife for cutting (主动句).
A knife is used for cutting (被动句)。
一、构成:be + 过去分词
eg. 1)The work is finished by him.
2)Chinese is spoken by people in China.
1.一般现在时:am/ is/ are + 过去分词
eg. English is spoken by Englishmen.
2.一般过去时:was/ were + 过去分词
eg. The machines were made in China.
3.一般将来时:will/shall/be going to be+过去分词
eg. A sports meeting will be held in our school next week.
4.现在完成时:have/ has been + 过去分词
eg. The work has been done by them.
5.现在进行时:am/ is/ are being + 过去分词。
eg. A new school is being built in our village.
6.过去进行时:was/ were being + 过去分词
eg. My TV set was being mended at that time.
1.in; on; at用在时间词前,表在
1)at + 具体时刻
2)on + 具体某天(具体某天的上、下午等;星期词;以及上、下午词前有修饰词时)
3)in + 年、月、季节及一天中的某部分
但注意:at night= in the night at noon
at this / that time at Christmas
eg. 1.___ the morning 2.___ Monday morning
3. ___ a rainy evening 4. ___3:50 5.__ 2002
6.___ the morning of April 10 7.___ spring
8.___ night 9.___ this time 10. ___ March
另外注意:在时间词(morning , afternoon , evening ; Sunday)前有last, next , this , that时,不再用介词. tomorrow, tonight前也不用介词。
eg. I will go(A) to the cinema(B) in(C) this evening. ______________
2. in , on , at 表地点:
eg. 1)He arrived ___Shanghai yesterday.
2)They arrived ___a small village before dark.
3)There is a big hole ____ the wall.
4)The teacher put up a picture ____ the wall.
1. 引导词 2. 语序 3. 时态
eg. He says (that) the boy is a lilltle weak in Chinese.
eg. ①.Do you know who will give us a talk?
②.I don't know whose book that is.
③.Could you please tell which gate we have to go to?
④.I wonder when he will come back.
注意:此类宾从的主语与主句的主语(或宾语)相同时,可替换为疑问词 + to do
eg. ①.I haven't decided where I will go
=I haven't decided where to go
②.He asked me what I bought
= He asked me what to buy.
类似短语:how to do _____what to say_____
what to do _____where to go____
eg. ①.Do you like this book? she asked me.
=She asked me ___ I liked this book.
②.Have you visited the Great Wall? Could you tell me?
=Could you tell me _____ you have visited the Great Wall?
There be 结构
eg.There are twenty girls in our class.have也解释为有但是与there be有区别,它的含义是所有,属有,其主语为某人。eg.I have a nice watch.
b.There be 结构中的be动词要和后面所跟名词保持一致。
c.There is a river near our school.否:There is not a river near our school.
问:Is there a river near our school.回答:Yes, there is. No, there isn't.
划⑴How many rivers are there near our school? ⑵What's near our school?
d.there be 结构的一般将来时,同学们较难掌握,其正确形式为:there is going to be
e.反意疑问句的构成:There is no water in the glass, is there?
①There is going to _____ a football match this afternoon. A.have B.watch C.be D.play
②They were sure that they were going to ____ a rest. A.be B.have C.be on D.on
eg.Mike has bought some foreign stamps. So has Bob.=Bob has bought some,too.