3A-6B语法大全

1.人称代词

主格： I we you she he it they

宾格： me us you her him it them

形容词性物主代词：my our your her his its their

名词性物主代词： mine ours yours hers his its theirs

2.形容词和副词的比较级

(1) 一般在形容词或副词后+er

older taller longer stronger, etc

(2) 多音节词前+more

more interesting, etc.

(3) 双写最后一个字母，再+er

bigger fatter, etc.

(4) 把y变i，再+er

heavier, earlier

(5) 不规则变化：

well-better, much/many-more, etc.

3.可数词的复数形式

Most nouns + s a book –books

Nouns ending in a consonant +y - y+ ies a story—stories

Nouns ending in s, sh, ch or x + es a glass—glasses a watch-watches Nouns ending in o +s or +es a piano—pianos a mango—mangoes

Nouns ending in f or fe - f or fe +ves a knife –knives a shelf-shelves

4.不可数名词(单复数形式不变)

bread, rice, water ,juice etc.

5. 缩略形式

I’m = I am you’re = you are she’s = she is he’s = he is

it’s = it is who’s =who is can’t =can not isn’t=is not etc

6. a/an

a book, a peach

an egg an hour

7. Preposition:

on, in ,in front of, between, next to, near, beside, at, behind. 表示时间： at six o’clock, at Christmas, at breakfast

on Monday on 15th July On National Day

in the evening in December in winter

8. 基数词和序数词

one – first two-second twenty-twentieth