12.have a look at看一看have a look at=look at

13.how much多少（钱）,how much用来询问价格

14.a pair of一双，一对；a pair of glasses,a pair of trousers

15.try on试穿试穿鞋子try on the shoes=try the shoes on;试穿它,此处它是代词,只能放在try on之间try it on

16.see a doctor看医生

常用表示“看”的单词有：watch;see;look;read;

watch:用于看电视，比赛等；watch TV,watch football match

see:看见强调结果，看到什么；看电影、看医生时用see a film;see a doctor

17.take good care of好好照顾take(good)care of=look after

18.have a fever发烧

have+表示症状的单词have a fever;have a toothache;have a headache

have+病名have measles(麻疹)have mumps(腮腺炎)

19.have to不得不

Eg:Her mother is ill,she has to look after her mother,so she can’t come to the party.

重点：含有have to的句子变否定用don’t doesn’t

e.g.She has to finish her homework.变否定句为：She doesn’t have to finish her homework.(正确)

20.worried about担心She worried about her exam.

21.help with帮助…做某事help with=help sb(to)do sth.

Eg:Peter helps her mother with the housework.=Peter helps her mother(to)do the housework.

二、重点单词用法

1.call v称作What do you call in English?

2.Like v喜欢

1)like sth.I like English very much

2)like to do sth.I like reading very much,but I don’t like to read now.

3)like doing sth.动词原形

3.let’s+动词原形Let’s(=let us)make animals.let sb.do sth.让某人做某事

4.want想，想要

1)want sth.I want a piece of paper.

2)want to do sth.I want to watch TV.

5.情态动词

情态动词很简单，没有人称数之变，动词原形后边站。

can表能力；may许可；should应该；would愿；must必须，否定needn’t换have to不得不表客观

三、重点语法

A)一般现在时

1.概念：一般现在时表示经常性、习惯性的动作或存在的状态。

2.构成：有两种构成形式

（1）be型句子的谓语动词只有be(am,is,are)

a肯定句中，只出现be:I am a student．我是一名学生。

b.否定句中，要在be后面加not，如：She isn't teacher．她不是教师。

c．一般疑问句中，要将be放在句子开头（注意句首字母大写），句尾用问号，答语用Yes，主语+be．或No，主语+be+not