新概念英語第一冊（美音版）Lesson 29 Come in, Amy.

[shut 強調(diào)關(guān)門的過程及方式]

close 強調(diào)關(guān)門的動作

slam 摔上門

shut up 閉嘴

zip your lips

tidy 整齊的，整潔的

lucky

unlucky

happy [快樂的] happy new year

unhappy

pleasant

unpleasant

情態(tài)動詞

can

may

need

1 它是一種具有實際意義的助動詞。

2 情態(tài)動詞不能單獨做謂語，只能和后面的原形動詞一起構(gòu)成謂語。

3 情態(tài)動詞沒有人稱和數(shù)格的變化。

4 含有情態(tài)動詞的句子，否定句和疑問句都是在情態(tài)動詞上發(fā)生變化。

open the window 打開窗戶

You must open the window.

She must open the window.

They must shut the door.

Amy must dust the dressing table

You mustn't open the window?

Must I open the window?

Yes, you must.

No, you needn't.

What must I do?

What must they do?

What must she do?

What must Amy do?

airforce 空軍

air conditioner 空調(diào)

air express 航空快遞郵件

aircraft carrier [5kAriE] 航空母艦

walk on the air 飄飄然，得意洋洋

[clothes n. 衣服]

cloth 布

[dust v. 撣掉灰塵]

clean 清潔

clear 清除

wipe 擦去

cleanse [klenz] 用水清除

dustman 清潔工

dustpan 畚箕

祈使句：

stand up

sit down

come in

shut the window

dust the dressing table

sweep the floor

put these clothes in the wardrobe

祈使句的否定句就是在句子前加don't

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