How many people are there at the meeting? How much time has we left?
Many of the workers were at the meeting. Much of the time was spent on learning
few, little, a few, a little
(a) few + 可数名词, (a) little + 不可数名词 a few / a little 为肯定含义，还有一点 few / little 为否定含义，没有多少了。
He has a few friends. 他有几个朋友。 He has few friends. 他几乎没有朋友。 We still have a little time. 我们还有点时间。
There is little time left. 几乎没剩下什么时间了。
典型例题:
Although he 's wealthy，he spends___ on clothes. A. little B. few C. a little D. a few
答案： A. spend所指的是钱，不可数，只能用little或 a little. 本句为although引导的让步状语从句，由句意知后句为否定含义，因此应用little表示几乎不。
固定搭配:
only a few (=few) not a few (=many) quite a few (=many) many a (=many)
Many books were sold.
Many a book was sold. 卖出了许多书。
祈使句
祈使句（第二人称）
祈使句表示请求，命令，建议，邀请等，谓语动词一律用原型，句子中通常不用主语，句末用惊叹好或者句号，用降调。 ★肯定句 动词原型
例， Come here, please. Go downstairs, please. Stand up. Sit down. Be quiet. Be careful. 祈使句中如果有唤语，一定要用逗号隔开，放在句首或者句尾 Come in, Amy.
Sit down here, Tom.
Mary, give me a book please. ★否定：Don't+动词原型 Don't come here. Don’t sit down. Don’t stand up. Don’t give me it. let sb. do
Let me pass.
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Let us have a rest. Let’s have a rest. (反意疑问)：
Let’s have a walk along the river, shall we? Let us go out for a drink, will you? 否定结构：
Let's not talk of that matter. Let us not talk of that matter
Let’s , let us
a. Let's 包括说话者
Let's have another try，shall we / shan't we? = Shall we have another try? b. Let us 不包括说话者
Let us have another try，will you / won't you? = Will you please let us have another try?
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