1 七年级上册知识点总结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 ---isn’t; are----aren’t
如: ① I am a boy
(否定句)----- I am not a boy
(变成一般疑问句) -----Are you a boy
Yes, I am
No, I’m not
② She is my mother
( 变成一般疑问句) -----Is she your mother
Yes, she is
No, she isn’t
③ This is a book
( 变成一般疑问句) ------Is this a book
Yes, it is
No, it isn’t
④ These are strawberries
( 变成一般疑问句) ----Are these strawberries
Yes, they are
No, they aren’t
⑤ There is some chicken on the table
( 变成一般疑问句) -----Is there any chicken on the table
Yes, there is
No, there isn’t
(2)如果是第二类,即含有行为动词的句子(如like,have,play,eat,run,nee