含有实意动词的一般疑问句和否定句
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句型转换肯定句变否定句及一般疑问句一、肯定句变否定句1、含有be动词的否定句规则:在be动词后+not.(is not可缩写成isn’t ;are not可缩成aren’t,但am 与not不可缩写)eg:肯定句:I am a student.否定句:I am not a student.肯定句:She is my sister.否定句:She isn’t my sister.肯定句:They are my parents.否定句:They aren’t my parents.2、含情态动词的否定句规则:在情态动词后+ not(can not 可缩写成can’t ,must not 可缩写成mustn’t )eg:肯定句:I can spell “English”.否定句:I can’’t spell “English”.English”.肯定句:I must find it.否定句:I mustn’t find it.3、含有实义动词的句子的否定句构成(1)第三人称单数做主语。
(he、she、it或表示单个人或物的第三人称名词)规则:要在行为动词前加上助动词doesn’t,然后将动词恢复原形。
eg :肯定句:He has a soccer ball.否定句:He doesn’t have a soccer ball.(2)其它人称做主语规则:在行为动词前加don’t ,句子中的行为动词用原形。
eg:肯定句:They like bananas.否定句:They don’t like bananas.注:(1)在变否定句时,如遇some应变any Here are some books.Here aren’t any books.二、肯定句变一般疑问句1、含有be动词的句子变一般疑问句规则:把be动词提至句首,第一人称变第二人称,句末句号变问号。
(I/we变成youMy/our变成your)肯定句:I am a student.一般疑问句:Are you a student?肯定句:She is my sister.一般疑问句:Is she your sister?肯定句:They are my parents.一般疑问句:Are they your parents?2、含有情态动词的句子变一般疑问句规则:把情态动词提至句首,第一人称变第二人称,句末句号变问号。
助动词的用法,帮助实义动词构成否定句和疑问句。
助动词包括do, doesdo用于当主语是第一人称I, 第二人称you 及复数时(复数包括we, they, these, those及两个以上的人或者事物。
does 用于当主语是第三人称单数时(第三人称包括s h e,h e,i t,t h i s,t h a t,单独的事物或者人名等)含有实义动词的句型结构变换一、肯定陈述句1当主语是I you及复数时,谓语动词用原型。
Eg. I know it.They have two volleyballs.Tina and T om like ice cream.2. 当主语是第三人称单数时(第三人称包括s h e,h e,i t,t h i s,t h a t,单独的事物或者人名等)谓语动词要变为第三人称单数形式。
特别要注意Have has Eg. She has a set of keys.He knows my name.T om needs a computer game.二、肯定陈述句变换成否定陈述句1当主语是I you及复数时,在谓语动词前加do not = don’tEg. I don’t know it.They don’t have two volleyballs.Tina and T om don’t like ice cream.2. 当主语是第三人称单数时,在谓语动词前加d oe s n o t=d o e s n’t, 谓语动词打回原型Eg. She doesn’t have a set of keys.He doesn’t know my name.T o m d o e s n’t need a computer game.三、肯定陈述句变换成一般疑问句采用“一加二变三问号”一加:当主语是,you及复数时,在句子开头加do;当主语是第三人称单数时, 在句子开头加does; 二变:●变大小写;●第一人称变为第二人称(I / we变为you, my / our变为your);●当主语是第三人称单数时,谓语动词要打回原型。
动词第三人称单数形式构成规则及练习题动词第三人称单数形式构成规则1、大多数动词在词尾加“S”在清辅音后发音为[s],在浊辅音及元音后发音为[z]。
如:①stop-stops [s] ; make-makes [s]②read-reads [z] ; play-plays [z]2、以辅音字母加“y”结尾的,要先将“y”变为“i”,然后在加“es”读[iz] 如:fly-flies [z]; carry-carries [z]study-studies [z]; worry-worries3、以“s, x, ch, sh”结尾的,在词尾加“es”,发音为[iz] 如:teach-teaches [iz]; watch-watches [iz]4、以“o”结尾的动词,加“es”,读[z] 如:go-goes [z] do-does [z下面几个动词变为单数时,原词的元音部分的发音发生了较大的变化,请注意记忆。
如: 1、do [du:]-does [dz]2、say [sei]-says [sez]以不发音字母“e”结尾的开音节词,如果尾音是[s],[z]时,加“s”后字母“e”发音,与所加“s”一起读做[iz]。
如: close-closes [iz]be动词包括:am, is, are。
第三人称单数用 is;过去式为 was;复数用are,过去式为were.注意:动词 have ,遇到主语是第三人称单数时,要用 has;动词 be 的第三人称单数形式是is。
含have和has的肯定句变否定句和疑问句。
并做出肯定回答和否定回答I have an apple.I don’t have an apple.(否定句在have前加not)Do you have an apple? (疑问句用do提问,句首第一个字母大写,句尾加问号)Yes, I do./ No, I don’t.(用do和don’t回答,)He has a big nose.He doesn’t have a big nose.(否定句在has前加doesn’t,并把has变成have) Does he have a big nose?(疑问句用does提问,并把has变成have)Yes , he does./ No, he doesn’t.(用does和doesn’t回答)一般现在时中的第三人称单数形式在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。
实义动词的否定句和疑问句句式变化及动词的第三人称变化规律动词第三人称单数形式构成规则及练习题动词第三人称单数形式构成规则1、大多数动词在词尾加“S”在清辅音后发音为[s],在浊辅音及元音后发音为[z]。
如:①stop-stops [s] ; make-makes [s]②read-reads [z] ; play-plays [z]2、以辅音字母加“y”结尾的,要先将“y”变为“i”,然后在加“es”读[iz] 如:fly-flies [z]; carry-carries [z]study-studies [z]; worry-worries3、以“s, x, ch, sh”结尾的,在词尾加“es”,发音为[iz] 如:teach-teaches [iz]; watch-watches [iz]4、以“o”结尾的动词,加“es”,读[z] 如:go-goes [z] do-does [z下面几个动词变为单数时,原词的元音部分的发音发生了较大的变化,请注意记忆。
如: 1、do [du:]-does [dz]2、say [sei]-says [sez]以不发音字母“e”结尾的开音节词,如果尾音是[s],[z]时,加“s”后字母“e”发音,与所加“s”一起读做[iz]。
如:close-closes [iz]be动词包括:am, is, are。
第三人称单数用 is;过去式为 was;复数用are,过去式为were.注意:动词 have ,遇到主语是第三人称单数时,要用 has;动词be 的第三人称单数形式是is。
含have和has的肯定句变否定句和疑问句。
并做出肯定回答和否定回答I have an apple.I don’t have an apple.(否定句在have前加not)Do you have an apple? (疑问句用do提问,句首第一个字母大写,句尾加问号)Yes, I do./ No, I don’t.(用do和don’t回答,)He has a big nose.He doesn’t have a big nose.(否定句在has前加doesn’t,并把has变成have) Does he have a big nose?(疑问句用does提问,并把has变成have)Yes , he does./ No, he doesn’t.(用does和doesn’t回答)一般现在时中的第三人称单数形式在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。
肯定句改否定句和一般疑问句一、实义动词He often goes to bed at ten.We do eye exercises every day。
She came to Japan in 1990。
二、系动词I am your friend。
Her mother is a teacher。
There are two books on the desk。
Yesterday was July 1, 1995.They were in Beijing in 1990。
三、进行时The girl is standing at the station.The students are playing basketball on the playground..I am looking for a dog。
四、情态动词Lucy will be back in four days。
You can use this dictionary. You need go tomorrow。
You should study hard..将下列陈述句变为否定句和一般疑问句.1.He found his pen under his desk。
2.We must go to the meeting right now.3.I wrote him a letter last week。
4.My sister sings beautifully。
5.Mary missed the bus.6.This bus will take you right to the city.7.They are doing questions and answers with theteachers。
8.My father has his lunch at 11:30 everyday。
9.There is a policeman at the corner of the road。
含有实意动词的一般疑问句和否定句
一、什么叫一般疑问句?
用Yes或No作答的疑问句叫一般疑问句。
含有实意动词的一般疑问句是疑问句的一种。
其结构是:
助动词(do或does)+主语+动词原形+其他
通常回答为:
肯定:Yes,+主语+提问的助动词.
否定:No,+主语+提问的助动词+not.
二、陈述句变一般疑问句
陈述句中只有一个实义动词,变为一般疑问句时要在句首加do或does ,主语后的实义动词用原形。
如:
1、I like English.(变为一般疑问句并回答)
Do you like English?
Yes,I do./No,I don’t.
I don’t like English.
2、They like English.
Do they like English?
Yes,they do./No, they don’t.
They don’t like English.
3、She/He likes English.
Does she/he like English?
Yes,she/he does./No, she/he doesn’t.
She/He doesn’t like English.
三、练习。
(变疑问句或否定句)
1、I have a new computer.
2、Do you have a basketball?
3、Mr. Wang doesn’t have a hat.
4、I have four tennis balls.
5、Jack likes playing soccer.
6、They don’t have any color pencils.
7、We have a computer room.
8、She has a baseball.
9、Tom has a tennis ball.
10、My father likes playing tennis.。