1.I am cleaning the classroom now.
否定句:I ( am )( not )( cleaning )the classroom now?
一般疑问句:( Are )( you )( cleaning )the classroom now?
2.Peter is reading a book in the library.
否定:Peter( isn't )( reading )a book in the library.
一般疑问句:( Is )( Peter )( reading )a book in the library?
回答:( Yes ),( he )(is ).肯定
( No ),( he )(isn't ).否定
希望能够帮到楼主
1 否 am not cleaning
疑问 Are you cleaning
2 否 is not reading
疑问 Is Peter reading
肯 Yes he is
否 No he isn't
1.I am cleaning the classroom now.
否定句:I ( am )( not )( cleaning )the classroom now?
一般疑问句:( Are )( you )( cleaning )the classroom now?
2.Peter is reading a book in the library.
否定:Peter( isn't )( reading )a book in the library.
一般疑问句:( Is )( Peter )( reading )a book in the library?
回答:( Yes ),( he )(is ).肯定
( No ),( he )(isn't ).否定
am not cleaning
Are you cleaning
isn't reading
Is Peter reading
Yes he is
No he isn't 一空一词
i am not cleaning the classroom
am i cleaning the classroom
peter is not reading a book in the library
is peter reading a book in the library
yes,he is
no ,he is not