(共22张PPT)
小升初英语知识点梳理
专题九 陈述句
01
思维导图
肯定句
01
否定句
02
肯变否
03
目录
强化训练
04
01 肯定句
陈述句
陈述句是陈述一个事实或者说话人的看法的句子。
它包括肯定句和否定句两种。陈述句在书写时句末用句号,在朗读时用降调。
He goes to school at seven o’ clock. 他七点钟去上学。(陈述一个事实)
I don't think so.我不这么认为。(表达一种看法)
陈述句的形式-肯定句
陈述句有肯定式和否定式两种形式。
1. 陈述句的肯定式陈述句的肯定式有以下几种形式:
(1)主语+系动词+表语
如: I am a student.我是一名学生。
This is my mother.这是我妈妈。
We are English teachers. 我们是英语教师。
注意:be动词要随着作主语的名词、人称代词和指示代词的单复数的变化而变化。
考点一 陈述句的形式
(2)主语+谓语动词
如: I danced.我跳舞了
The teacher smiled.老师笑了。
(3)主语+谓语动词+宾语
如:I want some chicken.我想要一些鸡肉。
He likes tomatoes.他喜欢西红柿。
I can use chopsticks.我会用筷子。。
考点一 陈述句的形式
(4)主语+谓语动词+间接宾语+直接宾语
如: My father bought me a gift. 我爸爸给我买了一个礼物。
The boy asked me a question. 那个男孩问了我一个问题。
My uncle gave me a new book.我叔叔给了我一本新书。
考点一 陈述句的形式
(5)主语+谓语动词+宾语+宾语补足语
如: The rain kept us indoors. 雨让我们待在室内。
You can call me Nancy. 你可以叫我南希。
She sings very well.她唱歌非常好。
注意:在一般现在时的肯定句中,实义动词作谓语时,要随主语的单复数变化而变化。主语为第三人称单数时,实义动词变为第三人称单数形式。
02 否定句
陈述句的形式-否定句
(1)陈述句的否定式有以下几种形式:
①主语+be动词+not+其他(谓语动词是be动词时的否定式)
如: I am not a student. 我不是一名学生。 (注意: am not不可以缩写。)
She was not late for school yesterday morning.她昨天早上上学没有迟到。
This is not my mother.这不是我妈妈。
We are not English teachers.我们不是英语教师。
was not=wasn’t
is not=isn’t
are not=aren’t
②主语+助动词(do/does/did)+not+实义动词+其他
如: We do not have any lessons on weekends.我们周末不上课。
He does not like playing cards. 他不喜欢打牌。
My parents did not go shopping last week.我父母上周没有去购物。
注意:此否定结构中的实义动词一定用动词原形。
do not=don’t
does not=doesn’t
did not=didn’t
③主语+情态动词+not+实义动词+其他
如:
You should not sleep in class. 你不应该在课堂上睡觉。
I can not swim.我不会游泳。
You must not go outside.你不可以出去。
注意:此否定结构中的实义动词一定用动词原形。
should not=should’t
can not=can’t
must not=mustn’t
否定式的缩写形式
is not=isn't are not=aren't
do not=don't does not=doesn't
did not=didn't will not=won't
were not=weren't was not=wasn't
04 肯变否
陈述句肯定句变否定句变化规则
一找。找句子中是否有be动词或情态动词。
二加。有be动词或者情态动词,直接在后面加not.
无be动词或者情态动词,在动词前加don't或 doesn't (第三人称单数时,其后动词变原形)
三改。some 变 any。
1、肯定句:I am an English teacher.我是一名英语老师。
否定句:I’m not an English teacher.
2、肯定句:There are some books on the desk.书桌上有一些书。
否定句:There aren't any books on the desk.书桌上没有书。
3、肯定句:She likes helping others.她喜欢帮助别人。
否定句:She doesn't like helping others.她不喜欢帮助别人。
4、肯定句:They have some apples.他们有一些苹果。
否定句:They don't have any apples.他们没有苹果。
陈述句肯定句变否定句
04 强化训练
一、单项选择。
( ) 1. Amy from Canada. She a Canadian.
A.come; is B. is; are C.comes; is D. are; is
( ) 2. A friend of came to China last Tuesday.
A. his B. your C. you D. he
( )3. You shouldn't pictures here.
A. take B. taking C. took D. to take
( )4. Tim with Jack last Saturday.
A. went swam B. goes swimming C. went swim D. went swimming
( ) 5. She have a good time at the party.
A. not B. didn't C. no D. isn't
二、选择正确的选项完成句子。
A.am not B.are C.does not D.is E.have
1. It _________ her birthday today.
2. I _________ many friends at school.
3. She _____________ like stamps very much.
4. I ________ a middle school student.
5. They __________ having Chinese class now.
D
E
C
A
B
三、根据所给单词,在能使句意完整、通顺的单词后面画“√”。
Thanks!
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