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初一英语上册语法知识点

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初一英语上册语法知识点梳理

在日常的学习中,大家都背过各种知识点吧?知识点就是一些常考的内容,或者考试经常出题的地方。哪些知识点能够真正帮助到我们呢?以下是人见人爱的小编分享的初一英语上册语法知识点,希望能够给予您一些参考与帮助。

初一英语上册语法知识点

初一英语上册语法知识点

1、动词的种类(四类)

系动词如be(is am are);情态动词如can 、may、need;助动词( do does);行为动词如take 、bring、eat、have(has)、like、sell、buy、sale、play、see、find、go、watch、thank、think等

2、动词的第三人称单数(与名词的复数一样)

如eat(eats) take (takes) buy (buys) play (plays) have(has) are (is)

3、动词的时态(一般现在时)

( 1)含有系动词的

I’m a Chinese boy 。

She is twelve 。

He is Tim’s brother 。

Her mother is an English teacher 。

含有系动词的句子在变一般疑问句时只将“主语和系动词交换位置”,上面句子变成一般疑问句时分别为

Are you a Chinese boy ?(注意第一人称通常变为第二人称)

Is she twelve ?

Is he Tim’s brother ?

Is her mother an English teacher ?

含有系动词的句子在变否定句时只须“在系动词的后边加上not”,前面的几个了陈述句变否定句分别为

I’m not a Chinese boy.

She isn’t twelve 。

He is not Tim’s btother 。

Her mother isn’t an English teacher 。

(2)含有情态动词的。句子( can ),

She can play basketball.

His mother’s cousin can sing many English songs.

含有情态动词的句子在变一般疑问句时只须将“主语和情态动词交换位置”,上面两句变一般疑问句分别为

Can she play basketball ?

Can his mother’s cousin sing many English songs ?

含有情态动词的句子在变否定句时直接在情态动词的后边加上not ,上面两个陈述句变否定句分别为

She can not play basketball 。

His mother’s cousin can not sing many English songs 。

(3)含有行为动词的句子

We have many friends.

They watch TV at 7 in the evening 。

The students take their books to school 。

I have lunch at school 。

You have a sister 。

1含有行为动词的句子在变一般疑问句时要在原句子的前面加do.上面的句子变成一般疑问句分别为

Do you have many friends ?

Do they watch TV at 7 in the evening ?

Do the students take their books to school ?

Do you have lunch at school ?

Do you have a sister ?

2含有行为动词的句子在变否定句时只须在行为动词前加don’t 。上述五个陈述句变否定句分别为

We don’t have many friends.

They don’t watch TV at 7 in the evening 。

The students don’t take their books to school 。

I don’t have lunch at school 。

You don’t have a sister 。

3含有行为动词的句子,当主语是第三人称单数时,行为动词要加s (或es)如:

She has a red pen 。

He has eggs for breakfast 。

Her mother buys a skirt for her 。

She likes thrillers 。

My brother watches TV every evening 。

He wants to go to a movie 。

含有行为动词的句子,当主语是第三人称单数时,变一般疑问句要“在原句子的前面加上does ,同时行为动词要还原”。上面的句子变成一般疑问句分别为:

Does she have a red pen ?

Does he have eggs for breakfast ?

Does her mother buy a skirt for her ?

Does she like thrillers ?

Does your brother watch TV every evening ?

Does he want to go to a movie ?

含有行为动词的句子,当主语是第三人称单数时,变否定句时“在行为动词前面加does’nt ,同时原行为动词要还原”。上面的句子变否定句分别为:

She doesn’t have a red pen 。

He doesn’t have eggs for breakfast 。

Her mother doesn’t buy a skirt for her 。

She doesn’t like thrillers 。

My brother doesn’t watch TV every evening 。

He doesn’t want to go to a movie 。

初一英语上册语法知识点梳理

冠词的用法(名词前面必须要有冠词)

冠词分为定冠词(the)和不定冠词(a, an)两种。

1、定冠词the表示"特指",可译为"这个"、"那个"、"这些"、"那些"。

2、不定冠词a, an用来表明(可数)名词的数量是"一个"。an用于以元音开头(注意不是以元音字母开头)的单词前,a则英语非元音开头的单词前。

3、不定冠词a, an与基数词one的区别是:不定冠词不是刻意强调"数量",而基数词则强调"数量"。

助动词(do, does )的用法

只有实意动词作谓语时才涉及使用助动词。以like为例:

(1)当句子为肯定句时不涉及使用助动词,只涉及"主谓一致"原则。

eg : I like English a lot.

Michael likes Chinese food very much.

(2)当句子为否定句时,要根据主语的人称来决定使用相应的助动词:当主语为"三单"时,要使用does;当主语为"非三单"时,用助动词原形do。例如把下列句子变否定句:

Kangkang likes math.----Kangkang doesn't like math.

They like sports.------They don't like sports.

(3)当句子变疑问句时,同样要根据句子的主语来决定在句首使用Do或Does.例如下列句子变问句:

Michael likes Chinese Food.----Does Michael like Chinese food? Yes, he does./ No, he doesn't.

Jane and Helen like music.----Do Jand and Helen like music? Yes, they do./ No, they don't.

名词所有格

1、Kangkang's books;Tom and Helen's desk; Ann's and Maria's bikes;

2、用of表示"。.。.。.的",但要从of后往of前翻译:a book of mine(我的一本书)

3、have与of的区别:

have一般表示"主动拥有",往往用于有生命的人或动物;无生命的物体一般不能"主动拥有",表示所属关系时要用of。例如:

I have a new bike. She has two big eyes.

a door of the house

初一英语上册知识点总结:代词

1、人称代词和物主代词

2、指示代词: this (these) that (those)

3、不定代词 some someone

4、疑问代词 who what how much how old (疑问副词:when where )

5、反身代词 yourself

初一英语上册知识点总结:数量词

1、基数词 one two three four five six seven eight nine ten eleven twelve thirteen fourteen

2、序数词 first second third fourth fifth sixth seventh eighth ninth tenth

初一英语上册知识点总结:介词

本册的介词较少,主要用在介词短语里面,如

on:on sale (销售) \ on weekends (在周末) \ on April 8th, (在四月八日) \ on the desk (在桌子上) \ on TV (在电视上) \

in:in English (用英语) \ in the afternoon (在下午) \ in the case (在盒子里) \

T-shirt in red (红色T恤) \ be in the movie(出演这部电影)\ in September (在九月)

be in our school music festival (参加我们学校的音乐节)

at:call sb.at 3356 (拨打3356找某人) \ at your school (在你们学校里) \ at Huaxing Clothes Store (在华兴服装店)\ at a very good price (以非常优惠的价格) \ at six (六点钟)

have a look at (看一看)

of:a set of (一串…) \ the photo of your family (你的全家照) \ lots of =a lot of (许多) \

date of birth(birthday)(生日)

with:with sb. (同某人一起) \ be good with (和…相处得好) \ help sb. with sth. (帮助某人做某事)

for:thanks for =thank you for (谢谢某人的….) \ bag for sports (运动包) \ pants for $30 (卖30元的裤子) \ see for yourself (亲自看看) \ for girls (对女孩子来说) \ like sth. for lunch (喜欢吃……当作午餐)

about:about Chinese history (有关中国历史)

under:under the desk (在桌子下面)

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