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    　　1.There be 结构

　　　　a.这是英语中常见的一种结构，表示“某地有某物”其含义为“存在有”。

　　　　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?

　　　　2.so,neither引导的倒装句,为了避免和前一句话的内容重复，英语中习惯用so,neither引导的倒装句。

　　　　a.So+be(助动词，情态动词)+主语。表示某人也是如此。

　　　　eg.Mike has bought some foreign stamps.

　　　　So has Bob.=Bob has bought some,too.

　　　　b.Neither+be(助动词，情态动词)+主语，表示某人也不。

　　　　eg.Mother has never been to Japan.

　　　　Neither has Father.=Father has never been to Japan, either.

　　　　c.So+主语+be(助动词，情态动词)。表示果真如此(赞同), 请同学们与a.区别。

　　　　eg.A:Mike is right in the classroom.

　　　　B:So he is.=He is really in the class room.

　　　　3.It’s+时间+since动词过去式。自从...起已有...时间了。

　　　　⑴It’s two weeks since we met last.(自从我们上次见面已有两个星期了)

　　　　⑵How long is it since we left Beijing?(自从我们离开北京已有多久了

　　　　4.祈使句+and (那么)...

　　　　eg.Go straight on and you’ll see a school. =If you go straight on, you’ll see a school.

　　　　5.祈使句+or...否则...

　　　　eg.Work hard, or you will fall behind the other students.

　　　　=If you don’t work hard, you’ll fall behind the other.

　　　　6. The+比较级...，the+比较级... 越...越...

　　　　eg.⑴The more, the better. 越多越好。

　　　　⑵The harder you work on it, the better you’ll be at it.(你越用功，你就越好。)