一些单词的否定形式的缩写形式有is are has have was were do does did will can must

问题描述:

一些单词的否定形式的缩写形式
有is are has have was were do does did will can must

isn't aren't hasn't haven't wasn't
weren't don't doesn't didn't won't can't mustn't

isn't aren't hasn't haven't wasn't
weren't don't doesn't didn't won't can't mustn't