八年级上册英语重点语法
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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

9.Some /any

I have some toys in my bedroom.

Do you have any brothers or sisters?

10.be 动词

(1) Basic form:am/are/is

(2) 肯定和否定句 I am(not) from London.

My eyes are(not) small.

My hair is(not) long.

(3)一般疑问句:Am I a Chniese?Yes,you are.No,you aren’t.

Are they American?Yes,they are.No,they aren’t.

Is the cat fat?Yes,it is.No,it isn’t.

11.there be 结构

肯定句:There is a …

There are …

一般疑问句:Is there Yes,there is./ No,there isn’t.

Are there…?Yes,there are./No,there aren’t.

否定句:There isn’t ….There aren’t….

12.祈使句

Sit down please

Don’t sit down,please.

13.现在进行时.通常用“now”.

形式:be + verb +ing

eg:I am(not) doing my homework.

You/We/They are(not) reading.

He/She/It is(not) eating.

动词 —ing 的形式

Most verbs +ing walk—walking

Verbs ending in e -e + ing come—coming

Short verbs ending in a vowel + a consonant run –running swim—swimming

14 一般现在时.通常用 “usually,often,every day,sometimes”.

形式:

肯定句:

I go to school on foot every day.

She goes to school on foot every day