新概念英語第二冊Lesson 41 Do you call that a hat? 你把那個叫帽子嗎？(精講)

【課文講解】

need

call sb sth / call that a hat

be rude / be rude about sth 對事很粗魯/ be rude to sb 對人很粗魯

don't be rude to me別對我這么粗魯

needn't : 不必

on the chair 在椅子上

with holes in it 作定語

Jane put a piece of paper with her name and address on it into a bottle.(lesson 22)

he has been there

We had beenin the hat shop for half an hour.

bookstore書店 drugstore藥店, 名詞修飾名詞, 一般用單數(shù)

must表示必須 / mustn't不能、不準

need的否定形式 : needn't 不必/ don't need 不需要

remark = say

regretted doing sth后悔已經(jīng)做

needn't have done原本不必做, 但是做了, 強調(diào)過去的動作不必做

you needn't have bought it你原本不必買的

remind sb of sth

needn't do : 現(xiàn)在的動作也不必做 : you needn’t have come./ you needn’t come.

never...too...＝not...too...無論...也不為過

A man can never have too many ties.再多的領帶對一個男人來說也不為過

I can never thank you too much : 感激不盡

drinking water can never be too clean飲用水越干凈越好

a wife can never complain too much妻子怎么羅嗦也不為過

need : 需要

needn't : 非實義動詞(助動詞, 系動詞, 情態(tài)動詞), 屬情態(tài)動詞, 無時態(tài)變化, 也沒有人稱

don't need : 實義動詞有任意一種時態(tài), 有人稱變化

need I...?(情態(tài)) / do I need...? 實義動詞

情態(tài)動詞后面一定要加動詞原形

在實義動詞后面再加一個實義動詞, 就在后面加to do

need I go out? / do I need to go out? 我需要出去嗎?

情態(tài)動詞后面不能直接用名詞做賓語

實義動詞后面可以直接加名詞, 故need 后面如是名詞, 則這個need 為實義動詞

we don't need things(名詞)...

you don't need to be

例 : He____follow me .

a doesn’t need   b needn’t to  c didn’t need to  d needs

answer: C

1、情態(tài)動詞, 無時態(tài)和人稱2、情態(tài)動詞的疑問句和否定句都直接加not或提前3、情態(tài)動詞后面只能加動詞原形

needn't have done : 過去不必做, 但是做了

mustn't 不準

can't : 不可能(沒有這個能力做)

you don't... : 事實 : you don’t speak English.

【Key structures】　關鍵句型

Must, Have to and Need

a  Do you remember these sentences? (KS17)

你還記得以下句子嗎?(參見第17課關鍵句型)

I must leave now. I have (got) to leave now. He must be a fool.

b  Now study these sentences:

仔細閱讀以下句子 :

I need a new hat. I must buy one. 我需要一頂新帽子. 我必須買一頂.

He needs a haircut. He must have one. 他需要理發(fā). 他一定要理發(fā).

I won't buy that. I don't need it. 我不會買那個, 我不需要它.

c

d  Now compare mustn't and needn't in these sentences: 對比 mustn't和 needn't:

You mustn't make a noise. The children are asleep. 你不應吵鬧, 孩子們都睡了.

You needn't drive so quickly; we have plenty of time. 你不必開得那么快, 我們有足夠的時間.

Or: You don't have to(haven't got to) drive so quickly; we have plenty of time.

You mustn't smoke in a theatre. It is forbidden. 你不應該在劇場里抽煙, 這是不允許的.

You needn't come with us if you don't want to. 如果你不想去, 你不必和我們一道去.

Or: You don't have to (haven't got to) come with us if you don't want to.

must可能等于have to 表示必須, 不等于have to時表示推測

1、對現(xiàn)在和將來加原形

2、對正在be doing

3、對過去have done

4、對過去正在have been doing

needn’t = don’t have to / needn’t have done = didn’t have to

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