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师梦圆初中英语教材同步人教版八年级上册Section A Grammar focus 3a—3c下载详情
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ex. Jim is taller than Mike.

Mike is shorter than Jim.

It’s hotter today than it was yesterday.

?

(二). 构成:

比较级的构成分为规则变化和不规则变化。

1.规则变化:

A. 单音节词尾+er:cold —colder, tall—taller, short— shorter,

? small— smaller, long —longer, old— older(旧的

B. 单音节词以e结尾的,只加r:large— larger, fine—finer, nice— nicer.

C. 以一个元音字母加一个辅音字母结尾的重读闭音节词,要双写词尾加er:

? big—bigger, thin—thinner, hot—hotter, wet—wetter

D. 以辅音字母加y结尾的单音节词和部分双音节词变比较级时,先变y为i,再加er:

? early—earlier, busy—busier, easy—easier, heavy—heavier,

? dry —drier, sunny—sunnier, happy—happier.

E. 多音节词或部分双音节词变比较级时,在前面加more:

? friendly — more friendly, careful—more careful, outgoing— more outgoing

? interesting— more interesting, difficult—more difficult

6. 部分双音节词的比较级有两种变化方式:

?

2.不规则变化

good /well —better, bad/ill—worse, many/much—more,

old—older/elder, far—farther/further, little—less

?(三) 原级和比较级前面通常使用的修饰词:

在原级前面通常使用very, quite, too, much too, a little, as, so 等。

? ex: 1. The room is very big.

2. The person is quite clever.

3. Today is too hot.

4. He eats too much, so he’s much too heavy.

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