学习是一个边学新知识边巩固的过程，对学过的知识一定要多加练习，这样才能进步。因此，精品编辑老师为大家整理了关于固定短语知识点，供大家参考。

16.had better do sth.最好干某事.

否定:had better not do sth.

特别注意:had better后面跟be动词词组,不可漏掉be.

eg.You’d better catch a train.

You’d better not talk in class.

You’d better not be late for the class.

17.It is good (nice)of+宾格+to do sth.

eg.It is very good of you to teach me English. (你教我英语真是太好了)

18.It takes sb. some time to do sth.(干某事化费某人多少时间)

=sb.spend some time on sth. (in) doing sth.

eg.It took me half an hour to do the work. =I spent half anhourin doing the work.

19.sb.pay 钱 for 物 某物化费了某人多少钱 =sb.spend 钱 on 物 =物 cost sb.钱 　　pay的过去式为paid 而不是payed.

eg.I paid thirty yuan for the coat.

=I spent thirty yuan on the coat.

=The coat cost me thirty yuan.

20.have been to 某人曾去过某地,现在人不在那儿

sb.have been in +地点 某人呆在某地(一段时间)

have gone to 某人已去某地,人不在这儿

21.⑴ too…形容词(副词)+to…"太…而不能" "太…以致于不"

eg.①The basket is too heavy for me to carry. 这篮子太重我拿不动。

②This colour TV is too expensive for us to buy. 这台彩电对我们来说太贵了，买不起。

⑵so...that 如此...以致于...

上面的too...to结构的句子，可以换成so...that 引导的句子转换。

①The basket is so heavy that I can’t carry it.

②This colour TV is so expensive that we can’t afford it.

22.What’s the population of ...? ...人口有多少？

不说How much population in...?形容人口数量的大用large

eg.The population of China is ten times as large as that of the USA

23.I’ve come to return your pan. (我跑来是还你锅的) →Why have you come? 而不用What

24.not...until (连词)方才，才

eg.He says that he won’t be free until tomorrow.他说他需到明天方才有空。

肯定句+until 到

eg.You’d better wait until tomorrow. (你最好等到明天)

25.neither...nor... 既不...也不...

either...or... 或者...或者...

eg.Neither Tom nor his brothers know how to spell the word "hundred".

Either you or she is right. (谓语动词就近原则)

both...and... 两者都...

eg.Both Jim and I are in Grade One (主语看作复数)

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