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