怎么把陈述句变为否定句

Question

如题所述

Answer 1

当陈述语的谓语是助动词am,is，are,can时，将它们分别改为isn't,isn't,aren't,
can't
当陈述语的谓语是非be动词,而是普通动词时,将句子转换为它的否定句即直接在动词前使用助动词do的否定形式don't(doesn't,
didn't).
举例如，I
have
a
book.改为否定句为I
don't
have
a
book.
当主语为第二人称或者人名时，用dosen't.例如
He
has
a
bike.改为否定句就是
He
doesn't
have
a
bike.
采纳哦