情态动词
Can ①能,可能,表示能力,猜测。过过式could
②可能,也许。主要用在疑问句、否定句中,表示怀疑、估计,不用肯定句中。
③对could 的委婉语气回答一般不直接用yes和no,要用 certainly, of course. Ok. Sure.
④ would you please not do---- ?
⑤would you like to play football with me tonight? Yes, I’d love to. Sorry, I am busy. Yes, I’d love to. But ----
⑥would you like some bananas? Yes, please. No. thanks.
⑦在表示请求、委婉语气的疑问句和表示希望得到对方的肯定回答的问句中,常用some. Could you give me some apples?
May
①可以,表许可。may I ----? 回答:Yes, you may. Yes, of course. No, you may not. No, you’d better not.
②也许,可能。表猜测,但把握性不是很大。
③maybe= perhaps是副词,放在句首或句末。May be和Maybe不同。
Must
①Must I ----? 否定回答用No, you needn’t. No, you don’t have to.
②必须。应该。mustn’t 禁止,绝对不能。
③must 表主观。Have to 表客观。 Don’t have to = needn’t
④must 一定。用于表推测。表示有很大的把握时用,只用于肯定句、不用疑问句。 否定句中can’t 有不可能之意。
Need
①don’t have to do sth. = needn’t do sth.
②肯定回答Yes, ----must. 否定回答No, ---needn’t.
不定式
不定式常跟在以下及物动词后面作宾语:want, like, wish, hope, try, ask, start, begin, forget, remember, learn, choose, agree, tell, decide, need
E.g. Want to do sth. Ask sb. (not )to do sth. Tell sb. to do sth. Decide to do sth. Would like to do sth. Set out to do sth. Warn sb to do sth. Help sb. (to) do sth.
动词不定式还可用在某些表示感情的形容词之后:glad, happy, pleased, sorry, sad, afraid
不定式作宾语的有:something to drink \ eat; have sth to do ; the way to do sth.
不定式作宾语: 特殊疑问词(what, where )----+不定式 where to go
主谓一致
1.邻近和靠近原则 由there be, either … or, neither…nor, not only…but (also)连接两个并列的主语,谓语动词遵守就近原则。
2. Either of , neither of, each of 作主语,谓语动词用单数。
3. Each, every, many a, no 修饰并列单句时,谓语动词用单数。
4.在百分数、分数等后,如跟可数名词,谓语动词用复数。如跟不可数名词,谓语动词用单数。
5.表示时间、重量、长度、价值等名词作为主语,谓语动词用单数。
6.动词不定式或动名词作主语,谓语动词用单数。
7.算术题中主语是数词,谓语动词用单数。
8. The number of +名词复数, 谓语动词用单数。A number of +名词复数, 谓语动词用复数。
9.One and a half +名词复数, 谓语动词用单数。
以上就是关于中考英语知识点汇总,希望能够帮助到你。
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