shall is are do does 写出否定形式的缩写形式

shall is are do does 写出否定形式的缩写形式
shall is are do does 写出否定形式的缩写形式

shall is are do does 写出否定形式的缩写形式
shan't
isn't
aren't
don't
doesn't

shan't
isn't
aren't
don't
doesn't

shall not=shan't
is not=isn't
are not=aren't
do not=don't
does not=doesn't

shan't
isn't
aren't
don't
doesn't