一般现在时一般疑问句和否定句的变法(共2页).doc

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1、精选优质文档-倾情为你奉上一般现在时一般疑问句和否定句的变法 一、 先将句子分成三类：1）含有am, is, are 的句子。 2）含有行为动词的句子，（如like，have，play，eat，run，need） 3）含有情态动词的句子，如can。 (1) 如果是第一类，即含有am, is, are 的句子。只将把am, is, are 调到句首。I am 和We are 要变成are you，some变成any，my变成your，句末用问号。否定句只在be后加not。如am-am not； is -isnt； are-arent。如： I am a boy. （否定句）- I am not

2、a boy. (变成一般疑问句) -Are you a boy? Yes, I am. No, Im not. She is my mother.( 变成一般疑问句) -Is she your mother? Yes, she is. No, she isnt. This is a book.( 变成一般疑问句) -Is this a book? Yes, it is. No, it isnt. These are strawberries.( 变成一般疑问句) -Are these strawberries? Yes, they are. No, they arent. There is s

3、ome chicken on the table.( 变成一般疑问句) -Is there any chicken on the table? Yes, there is. No, there isnt. (2)如果是第二类，即含有行为动词的句子（如like，have，play，eat，run，need等）时，要分两步看主语。 I / We / You / They 时，要借助于助动词do的帮助来变成一般疑问句。即句型为： Do + 主语 + 动词原形 + 其他？否定句只在动词原形前加dont。 例如： I have some tomatoes in my backpack.(否定句)I do

4、nt have any tomatoes in my backpack. ( 变成一般疑问句)-Do you have any tomatoes in your backpack? Yes, I do. No, I dont. We play sports every day.（否定句）-We dont play sports every day. ( 变成一般疑问句)-Do you play sports every day? Yes, we do. No, we dont. He / She / It 时， 要借助于助动词does的帮助来变成一般疑问句。即句型为： Does + 主语 +

5、动词原形 + 其他？否定句只在动词前加doesnt，然后将单三还原成原形。 She watches TV every evening. (否定句)-She doesnt watch TV every evening. ( 变成一般疑问句)-Does she watch TV every evening? Yes, she does. No, she doesnt. 注意：如果是其他名词的话，在简略回答中要用人称代词来替代，但替代都在第三人称中，即 he, she, it, they四个中。如： my mother -she your brother - he a book -it five p

6、hotos-they this/that-it these/those-they my family name-it Tom-he Mary-she Amys sister -she some friends-they (3) 如果是第三类情态动词，如can 时，一般疑问句只将can提到句首，否定句将can 变成cant。同时注意一变二，二变一，三不变，some变any。(情态动词不受人称的限制) I can play basketball. ( 变成一般疑问句)- Can you play basketball? Yes, I can. No, I cant. I can play basketball.(否定句)-I cant play basketball.专心-专注-专业