初中英语语法大全详解PPT课件

*She is more than thirty.
她三十多岁了。 *The lightest weighs less than 50 kilograms.
最轻的不到五十公斤。
4.“more or less”表示“差不多， 或多或少”
*The problem is more or less solved.
4) 可用much, still, a little, even, far,three years等表示程度的状语来 修饰比较级
*She is much taller than Mrs.Liu.
*He is three years older than I.
*This problem is a little more difficult than the other one.
- most carefully
不规则变化 good/well – better – best many/much – more – most little – less – least far – farther – farthest ( far – further – furthest ) bad/badly/ill – worse – worst
现在学英语的人越来越多了。
2. “the + 比较级，the + 比较级” 表示“ 越······就越······” *The more, the better.
越多越好。 *The busier he is, the happier he feels.
他越忙越高兴。
3.“ more (less) than ”表示 “不止，不到”
3) 在表示 “和······一样······” 和 “不及······” 这类概念时，可 以用 “as+原级+as” 和 “not as （so）+原级+as”的句型
*Our teacher is as busy as before.
*He does not run so (as) fast as I.
这个问题差不多已经解决了。
*Is it straight? – More or less.
规则变化 单音节词和少数双音节词
2) 以字母 e 结尾加 –r 或 –st
fine – finer – finest late – later – latest nice – nicer – nicest
规则变化 单音节词和少数双音节词 3) 重读闭音节、末尾只有一个辅音
字母时双写加 –er 或 –est fat – fatter – fattest big – bigger – biggest thin – thinner – thinnest
5)几种比较级的使用句型 1.“ 比较级 + and + 比较级 ”
表示“ 越来越······”
*Your English is getting better and better. 你的英语越来越好了。
*These days more and more people are learning English.
初中英语语法大全详解
Adjectives and Adverbs
形容词、副词
区别几组易混淆的副词、形容词
★ already 常用于肯定句、个别疑问句 yet 常用于否定句、疑问句 * The train has already gone. * They haven’t come back yet.
★ such 修饰名词 so 修饰形容词、副词 *I have never seen such an
interesting film. *This box is so heavy that I can’t
carry iБайду номын сангаас.
★ alone(单独、独自)作表语=by oneself lonely(孤独的)可作表语、定语
规则变化 单音节词和少数双音节词
4) 以辅音字母加 y 结尾变 y 为 i 加 –er 或 –est early – earlier – earliest easy – easier – easiest lucky – luckier – luckiest
规则变化 部分双音节和多音节词
在词前加 more 或 most slowly - more slowly - most slowly easily - more easily - most easily carefully - more carefully
2) 表示三者或三者以上（人或事物） 的比较用最高级，最高级的前面一般要
加定冠词the，后面可带of（in,among）
短语来说明比较的范围
*Shanghai is the biggest city in China.
*Lucy sings (the) best of all.
*He is the most careful among us.
* He lived alone, but he didn’t feel lonely. * It’s a lonely village. ★ hard(努力地)
hardly(几乎不)否定副词 * She works very hard, and he hardly
has a rest on Sundays.
The Comparative & Superlative Degrees of Adjectives & Adverbs
形容词和副词 比较级和最高级的构成
规则变化 单音节词和少数双音节词
1) 一般情况加 – er 或 – est
fast – faster – fastest high – higher – highest clever – cleverer – cleverest
形容词和副词 比较级和最高级的用法
1)表示两者（人或事物）的比较时
用比较级，通常用连词 than 引导，
表示“较······”或“更······一些”的 意思
*This cake is more delicious than that one.
*Li Lei jumped farther than Jim (did).