英语肯定句变否定句练习
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英语肯定句变否定句练习 Prepared on 22 November 2020
专题: 把肯定句改成否定句
把肯定句改成否定句分以下情况:
1、句中有be动词的,在be动词后加not;
2、句中有情态动词的(can ,should,must ,would),在情态动词后面加
not;
3、句中没有be动词和情态动词的,在动词前加d on’t或doesn’t ;
①句中动词为原形的,加d on’t.如: I like apples. I do n’t like apples.
②句中动词为三单式的,加does n’t,并将三单式的动词还原成原形。
如:He likes apples. He does n’t like apples.
③时态为过去时的,要加didn’t 而且动词过去式要改为原形,
例:I went to school yesterday .→I didn’t go to school
yeaterday .
4.肯定句中的some在否定句中应改为any
如:There are some students in the classroom. There are not any students in the classroom.
将下列各句改成否定句
1、Tom’s brother is walking in the park.
______________________________________________________
3、The students of Class 5 are cleaning the classroom.
______________________________________________________
5、Tom and Mary are friends.
______________________________________________________
7、There are some books in the bookcase.
______________________________________________________
9、I’m a student.
______________________________________________________
11、Your father can ride a bike.
______________________________________________________
13、They can play football after school.
______________________________________________________
16、We come from China.
______________________________________________________
19、He likes the violin.
______________________________________________________
20、Have some bread, Tom.
______________________________________________________
一般疑问句
一般疑问句
在英语的学习中,一般疑问句的转换及回答是经常碰到的问题,现在我们就来探讨一下有关一般疑问句的问题。
一、什么是一般疑问句
用Yes或No作答的疑问句叫一般疑问句。一般疑问句还有下列特点:1、以be动词、助动词或情态动词开头;例:Is your father a teacher Does she like animals Can Jenny speak Chinese2、往往读升调;3、译成汉语,都可以带上“吗”,例如上面三句可分别译为:你父亲是老师吗她喜欢动物吗Jenny会说英语吗
二、例何将陈述句变成一般疑问句
要将陈述句变成一般疑问句,可以遵循下列步骤:
1.看句中有没有be动词(am、is、 are、 was、 were)、和情态动词(can、must、will、may等),如果有,将其提到句首,句末打上问号即可。例: She is a girl.
→Is she a girl
Tom's father can play the piano.
→Can Tom's father pla y the piano
练习:
is a boy
is a cat .
is your sister.
are my books.
are apples.
2.如果句中没有be动词、助动词或情态动词,则根据谓语动词的形式借助do 的相应形式放在句首。具体方法是:如果谓语动词是原形或者主语是第一人称、第二人称、第三人称复数则借do;如果谓语动词是一般现在时第三人称单数形式,则借does;需要注意的是,借does后,原句的谓语动词要变回原形。
例:They go to school by bike.
→Do they go to school by bike
Bill gets up at 6:30 every day.
→Does bill get up at 6:30 every day
练习:
love my parents.
play computer games every night.
have a TV.
三.陈述句变一般疑问句应注意的事项
陈述句变成一般疑问句除了遵循上述规则以外,还应注意下列几点:
1.如果陈述句中有第一人称,则变问句时最好要变为第二人称。
例:I usually have lunch at school.
→Do you usually have lunch at school
My father is playing soccer.
→Is your father playing soccer