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简介:
肯定句变否定句
1.含有be动词的肯定句
在be动词后+not,变为否定句
例:肯:I am a teacher.
否:I am not a teacher.
2.含有情态动词的肯定句
在情态动词后+not,变为否定句
例:肯:He can read.
否:He can't read.
3.含有实义动词的肯定句
在实义动词前+助动词+not,变为否定句
例:肯:They like dogs.
否:They don't like dogs.
4.肯定句中含有some时
变为否定句,除了+not,还要把some变成any
例:肯:There are some books in the bag.
否:There aren't any books in the bag.