初三上册英语知识点归纳

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有质量的知识才是名校的真实力,每一所这样的大学,至少都有十种左右高质知识储备在教授门手中,储备在这些学校与世界的多重联系中,正是这高质量知识的储备。下面是小编为大家精心整理的初三上册英语知识点归纳,希望对大家有所帮助!zjO爱阅读

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初三上册英语知识点归纳

to+动词原形zjO爱阅读

(1)作主语zjO爱阅读

动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种: (1)把不定式置于句首。zjO爱阅读

如:To get there by bike will take us half an hour.zjO爱阅读

(2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中。zjO爱阅读

如:zjO爱阅读

It+be+名词+to do It's our duty to take good care of the old.zjO爱阅读

It takes sb+some time+to do How long did it take you to finish the work?zjO爱阅读

It+be+形容词+for sb+to do It is difficult for us to finish writing the composition in a quarter of an hour.zjO爱阅读

It+be+形容词+of sb+to do It is stupid of you to write down everything (that) the teacher says.zjO爱阅读

It seems(appears)+形容词+to do It seemed impossible to save money.zjO爱阅读

在句型中,常用表示客观情况的形容词,如:difficult,easy,hard,important,impossible,necessary 等;zjO爱阅读

在句型中,常用careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise等 表示赞扬或批评的词。zjO爱阅读

在不定式前的sb,可看作其逻辑主语。这一句式有时相当于Sb is+形容词+to do句式 ,如:It's kind of you to help me with my English.=You are kind to helpme with my English.zjO爱阅读

(3)举例zjO爱阅读

(1) It's easy (for me) to do that.我做这事太容易了zjO爱阅读

easy, difficult, hard, important, possible, impossible, comfortable, necessary, better;zjO爱阅读

the first, the next, the last, the best, too much, too little, not enoughzjO爱阅读

1、It's so nice to hear your voice.zjO爱阅读

听到你的声音真高兴。zjO爱阅读

2、It's necessary for you to lock the car when you do not use it.zjO爱阅读

当你不用车的时候,锁车是有必要的。zjO爱阅读

(2) It's very kind of him to help us. 他帮助我们,他真好。zjO爱阅读

Kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(考虑周到的), silly, selfish(自私的)zjO爱阅读

例句:zjO爱阅读

1、It was silly of us to believe him. 我们真愚蠢,竟然相信了他。zjO爱阅读

2、It seemed selfish of him not to give them anything. 他不给他们任何东西,这显得太自私了。zjO爱阅读

注意:zjO爱阅读

(1) 其他系动词如,look,appear等也可用于此句型zjO爱阅读

(2) 不定式作为句子成分时,动词用单数形式。zjO爱阅读

(3) 当不定式作主语的句子中又有一个不定式作表语时,不能用It is… to…的句型zjO爱阅读

(对)To see is to believe. 眼见为实。zjO爱阅读

(错)It is to believe to see.zjO爱阅读

初三上册英语知识点梳理

动词不定式作宾语zjO爱阅读

后面能接不定式作宾语的动词有:agree, ask, choose, decide, forget, hope, learn, want, wish, would like等。zjO爱阅读

1、We hope to get there before dark. 我们希望天黑以前到那儿。zjO爱阅读

2、The man decided to do it herself. 那个男人决定自己做那件事。zjO爱阅读

动词不定式作宾语的注意事项(2点)zjO爱阅读

1. 有些动词既可跟不定式作宾语,也可跟动名词作宾语,但含义不同:zjO爱阅读

remember to do 记住要做某事zjO爱阅读

remember doing 记得曾经做过某事zjO爱阅读

forget to do忘记要做某事zjO爱阅读

forget doing 忘记曾经做过某事zjO爱阅读

stop to do 停下来去做某事zjO爱阅读

stop doing 停止做某事zjO爱阅读

go on to do 继续做另一件事zjO爱阅读

go on doing 继续做原来在做的事zjO爱阅读

2. 不定式作宾语时,如带有宾语补足语,则要把不定式放到后面,用it作形式宾语,构成“主语+动词+it+宾补(形容词、名词)+不定式”结构。zjO爱阅读

如:He found it very difficult to get to sleep.他发现很难入睡。zjO爱阅读

初三上册英语知识点归纳

动词不定式作宾语补足语zjO爱阅读

1. 后面能接to不定式作宾语补足语的动词有:ask, order, teach, tell, want, wish, help等。zjO爱阅读

The teacher told us to do Exercise 1. 老师要我们做练习一。zjO爱阅读

I want both of you to go. 我要你们俩去。zjO爱阅读

We helped her (to) repair her bike. 我们帮助她修理自行车。zjO爱阅读

2. 使役动词let, have, make及感官动词see, watch, notice, hear, feel等要以不带to的不定式作宾补。zjO爱阅读

Let’s have a rest. 我们休息一会吧。zjO爱阅读

I saw him come in. 我看见他进来了。zjO爱阅读

感官动词后既可跟不带to的不定式作宾补,也可跟v-ing作宾补,前者表示动作的全部过程已结束;后者表示动作正在进行。zjO爱阅读

I saw him come downstairs.我看见他下了楼。(说明他下楼了这件事)zjO爱阅读

I saw him coming downstairs.我看见他在下楼。(说明他下楼时的情景)zjO爱阅读

初三上册英语知识点提纲

动词不定式作定语zjO爱阅读

不定式作定语一般放在所修饰的词的后面。zjO爱阅读

I need something to eat.zjO爱阅读

Do you have something to read?zjO爱阅读

Tom was so excited that he had no word to say.zjO爱阅读

He is really a fool only to eat.zjO爱阅读

The man to stand here just now is our English teacher.zjO爱阅读

The doctor had no way to save the patient.zjO爱阅读

注意:zjO爱阅读

(1)作定语的不定式是由及物动词组成,被修饰的名词或代词与不定式之间存在方位或方式关系需要有介词。zjO爱阅读

I am looking for a room to live in. 我正在找一间住房。(方位关系)zjO爱阅读

We have many things to do experiments with.zjO爱阅读

我们有许多做实验的东西(方式关系)zjO爱阅读

(2)作定语的不定式是由“be + adj + prep”构成的动词短语。zjO爱阅读

Here there isn’t any book for me to be interested in.zjO爱阅读

We have done many things to proud of. 我们做了许多引以自豪的事。zjO爱阅读

初三上册英语知识点总结

动词不定式作主语zjO爱阅读

To give is better than to receive.zjO爱阅读

To reach there on foot is impossible.zjO爱阅读

动词不定式作主语时,可以用it 代替,把实际主语不定式放在后面。zjO爱阅读

It’s better to give than to receive.zjO爱阅读

It’s impossible to reach there on foot.zjO爱阅读

It’s + adj + for sb. to do sth.zjO爱阅读

It’s not difficult for me to study English well.zjO爱阅读

It’s easy for him to work out this math problem.zjO爱阅读

在这个句型中,如果形容词与不定式的逻辑主语关系密切,并且形容词用来说明逻辑主语的性质、品质、特点等,由of引出逻辑主语。这类形容词主要有nice, kind, good, wrong, right等。zjO爱阅读

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