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七年级下册英语unit1知识点梳理

初中英语七年级下册unit 1
一、情态动词
用法1:
后接动词原形
i can swim
用法2:无人称和单复数变化
i can swim
he can swim
they can swim
i是第一人称,he是第三人称,尽管人称不同,can都用一个形式
i,he是复数,they是复数,情态动词没有单复数的形式
用法3:否定形式:直接加not
can not=can't
must not=mustn't
用法4:疑问句:以情态动词开头
can you swim?
yes, i can
no, i can‘t
二、can的用法
1.能够
she can dance
2.各种形式
she can’t dance
can she dance?
对dance提问:
方法是先找出特殊疑问词再接一般疑问句
dance是动作,同what提问;dance是个动作,用do代替
what can she do?
2.请求
can i help you?
三、重点单词
1.swim双写m再加ing
dance去e加ing
write去e加ing
2.say/speak/tell/talk
the teacher says it‘s useful
say强调说话的内容,可以用句子带出来,也可以用引号引出说话的内容
speak English
speak+语言 vt.
the baby can speak
speak表示说话,发音这个动作 vi.
tell stories/jokes
tell讲述
tell you stories=
tell sth to you
tell带双宾语
tell sb to do sth告诉某人做某事
tell sb about sth告诉某人有关某事
talk 表示发音的这个动作,这时与speak是同义的
talk to/with sb和...说话
talk about谈论
3.a)join参加,加入 v.
join表示参加某一个组织或团体
join the club/Party参加聚会/入党
补充:take part in参加某一项活动
take part in the sports meeting参加运动会
b)go/come to+活动 去参加/来参加某活动
come to my birthday party
go to the meeting
c)in参加
be in the school music festival
4.also/too adv.
a)nice to meet you, too
do you have a volleyball, too?
too常位于句末,用于肯定句和疑问句
b)also放在句中,位于be动词,情态动词之后,实意动词之前
he is also 12
he can also draw
he also likes fruit
补充:too用于肯定句和疑问句,那否定句用什么呢?用either
5.people人 n.
people是一个集合名词
family也是集合名词,当它表示家人时做主语谓语用复数,而当它表示家庭时
做主语谓语用单数,但people是复数概念,无论什么时候做主语谓语都是复数形式
two people are in the room
two超过了一,为什么people不加s呢?因为people是集合名词,本身就是复数概念
old people
young people
6.story故事 n.
story变复数要先改y为i再加es
7.teach教 v.
i teach English
带双宾语:
i teach them English=
i teach English to them
teach sb to do sth教某人做某事
teacher老师
当主语是第三人称单数时,teach加es
四、重点词组
1.play the guitar弹吉他
当play接乐器时,乐器名词前一定要加定冠词
play+the+乐器/piano/voilin/drums/trumpet
2.play chess
当play接球类运动或棋牌类名词时,名词前不加定冠词
play+球类运动/