人教版八年级上册英语各单元语法

1. How often 引导的特殊疑问句

How often do you do sth ?意为“你多久做一某事？”该句型常用来询问某动作隔多久进行一次，即询问中间隔的时间长度、动作发生的频率。常见的答语是：always, usually, often, sometimes, hardly ever, three times a day, once a week, every day 等。如：------How often do you hike with your friends ? 你隔多久和你的朋友去远足一次？

------Every Friday . 每周五。

------How often do you clean your room ? 你多长时间打扫一次你的房间？

------Often. 经常。

2. What do you/does he/she do on/in……? 句型

What do you/does he/she do on/in……? 你/他/她在……(时间)做什么？这是询问某人在某时通常干什么的句型。答语通常为I/we +动词原形+其他成分或He/She+动词的第三人称单数形式+其他成分。如：

-----What do you do on Sundays? 你在星期天干什么？

-----I often clean my house on Sundays? 我星期天经

常打扫我的房子。

-----What does your father do after supper? 你爸爸晚饭后干什么？

-----He usually goes for a walk. 他通常取散步。

对划线部分提问

1.The teacher hardly gives us a test.

_____ _____ ______ the teacher give you a test?

2.I never get up before five o’clock?

_____ _____ do you get up before five o’clock?

3.Li Tao often has rice for lunch.

_____ _____ Li Tao often _____ for lunch?

4.I usually read English in the morning.

_____ _____ you usually ______ in the morning?

5.My mother goes to see my grandparents twice a month.

_____ _____ _____ your mother _____ to see your grandparents?

答案：1. How often does 2. How often 3. What does have 4. What do do

5. How often does go

情态动词should的用法

情态动词should和can ，may ，must一样，没有人称和数的变化，有词意，但都不能单独作谓语，必须和后面的动词原形一起构成谓语。基本意思是“应当，应该”，常用来表示建议或命令等。如：

You should work harder. 你应该更努力地工作。

否定式和疑问式的构成与can ，may ，must一样。如：You shouldn’t play soccer in the street. 你们不应该在街上踢足球。

Who should pay the taxi driver? 谁应该付出租车钱？

注意：

常用句型You should /shouldn’t do sth 表示“建议某人（不）做某事”。其他表示“建议”的句型还有：Why not do sth? /Why don’t you do sth? /How about doing sth? /What about doing sth? /It’s a good idea to do sth /You’d better do sth等。一．单项填空

1. We _________ keep the new traffic law(交通法).

A. may

B. should

C. can

D. need

2.I’d like to buy a new shirt , but I don’t know __________ .

A. where could buy it

B. I should take which

C. which I should take

D. where can I get it 二．写出同义表达

Why not have a rest?

(1) Why _______ ________ have a rest?

(2) You’d _________ _________ a rest.

(3) You _______ ________ a rest.

(4) ________ _________ having a rest?

答案：1. B 2. C

(1) don’t you (2) better have (3) should have (4)what/how about

现在进行时表将来的用法

在英语中，现在进行时常可用来表示将来的动作，主

要分两种情况：

1.某些表示位置移动的动词，如：go，come，leave，

arrive等，其现在进行时可表示将来的动作。如

My father is leaving for Nanjing tomorrow. 我

爸爸将明天动身去南京。

I’m going camping next week. 我下周要去野营。

2.除表示位置移动的动词外，还有很多动词，其现在

进行时也可表示将要发生的动作。尤其是按计划、