初中英语期末复习高频知识点之4种重点语法

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一、不定代词的用法:

1)something,anything,nothing,everything是植物的不定代词

somebody,someone,anybody,anyone,nobody,no one,everybody,everyone是指人的不定代词

somewhere,anywhere,nowhere,everywhere是指地点的不定代词

2)当形容词修饰不定代词、不定副词时,放于其后; something special; somewhere wonderful.

3)不定代词、不定副词作主语时,谓语动词用第三人称单数。如:

Is everybody here? 大家都到齐了吗?

4)something,somebody,someone,somewhere用于肯定句及表示请求或建议的疑问句中,

而anything,anybody,anyone,anywhere用于否定句、疑问句及条件状语从句中。如:

Did you do anything interesting? 你做了有趣的事吗?(表疑问)

二、提建议的句子

①What/ how about +doing sth.? 如:What/ How about going shopping?

②Why don’t you + do sth.?如:Why don’t you go shopping?

③Why not + do sth. 如:Why not go shopping?

④Let’s + do sth. 如: Let’s go shopping

⑤Shall we/ I + do sth.? 如:Shall we/ I go shopping?

三、good 短语辨析:

1)be good for:“对……有好处”。 如:Doing exercise is good for our health.

2)be good at:“擅长于……” 如:He is good at playing football.

3) be good to sb./sth: “对……好” 如:The old woman is good to us.

4) be good to do sth.: “适合;宜于” 如:The water is good to drink.

5) be good with: “与……相处好” 如: The teacher is good with his students.

四、原级、比较级、最高级的相互转换

1、原级与比较级的转换:比较级+than → not……as/so……as……

e.g. He speaks more loudly than me. → I don’t speak as/so loudly as he/him.

2、比较级与最高级的转换:the other +名(复)

在范围之内) the+最高级 → 比较级+than+ any other+名(单)

e.g. Jim is the tallest student in our class.

Jim is taller than any other student in our class.

Jim is taller than the other students in our class.

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