人教版八年级英语上册Unit2知识点讲解

人教版八年级英语上册Unit2知识点讲解

How often do you exercise?

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1. 1. help sb. with sth. 表“在某方面帮助某人”，相当于help sb. (to) do sth. 如：

I often help my mother with housework. = I often help my mother ____ ___ some housework.

2. on weekends = on the weekend在周末，但on weekends 泛指周末，而on the weekend常特

指某个周末。

3. go to the movies = go to the cinema去看电影I often go to the movies on weekends.

4. hardly 与hard 的区别

hardly表“几乎不”，用于否定句中。而hard有以下几种意思：①困难的②努力地③用来修饰雨或雪下得大

It’s raining _________. I can _______ see the way. It’s very _______ to get to school. I must study _________.

5. exercise 的用法：

当exercise指“操、练习”时，是可数名词，如：do morning exercises 做早操；do eye exercises;

做眼保健操；do English exercises 做英语练习题；但exercise指“锻炼，运动”时，是不可数名词。如：do some exercise 做运动。exercise 还可作动词，指“锻炼，运动”如：She exercises every morning.

6. sometimes = at times有时，some times 几次；

sometime（将来的）某个时候；some time 一些时间

① I have visited Beijing _____________.

② ___________ I walk to school.

③ I will visit you ______________.

④ The work is difficult, so I need _____________.

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1. 本单元围绕“某人多久做一次某事”。谈论的是一个人现在的行为习惯，所以本单元谈论的话题主

要用_______________ 时态。

2. How often 用来问“多久一次”，回答How often问句常用下列一些频率副词：

Twice a week(一周两次)；always（总是）；usually（常常）；often（经常）；sometimes （有时）；

hardly ever（几乎不）；never（从不）

题：She goes to movies once a week. (对划线部分提问)

_______ _______ _______ she go to movies？

【拓展】

How long ①问“（时间）多久”。常用“（For）+ 一段时间”来回答②问“（长度）多长”。How much ①多少（接不可数名词）②多少钱

How soon 问多快（时间），用于将来时态。常用“In +时间段”来回答。

如：How soon will you come back?你将多快回来？-----In a week.一周后

与how构成的疑问词还有有：①How many 多少（接可数名词复数形式）②How much 多少（接不可数名词）③How old 问年龄④How tall 多高（人、树）⑤How high 多高（山、楼）⑥How far 问距离

(1) is it from your home to your school？------It’s two kilometers away.

(2) is the room？------ It’s two meters long.

(3) will you stay in Beijing ? ---- For a month.

(4) will you finish the work?-----In a month.

(5) do you watch TV ? ---- Four times a week.

(6) How long do you sleep every night? = hours do you sleep every night ?

4. once a week 一周一次，twice a week 一周两次，three/ four times a week 一周3/4次

一次，两次特殊记，三次以后有规律：基数词+times 就可以

5. be free = have time 有空，有时间

Are you free next week ? = _______ you _______ ________ next week ?

6. full 表“满的，忙的”，常见短语有：be full of 装满，充满

My schoolbag is full of books.

【拓展】full还可以表“饱的”，其反义词为hungry（饥饿的）。如：

Are you hungry ? ---- No, I’m full.

7. How come ? = Why意为“为什么呢”。

8. have / take a dance lesson 上一节舞蹈课（lesson = class课）

I have dance and piano lessons.