高考问答Time out:谁知道Be的过去时?
来源：百度文库 编辑：高考问答 时间：2024/05/06 01:30:24
快
主语单数was,复数were
单数的话用was复数用were
be 的不同形式：
1、现在时 I am, you are, he is, we are, you are, they are （缩略式 I'm, you're, he's, we're, you're, they're）, （否定缩略式 I'm not, isn't, aren't）,
2、过去时 I was, you were, he was, we were, you were, they were （过去时否定缩略式 wasn't, weren't）,
3、 过去分词 been,
4、现在分词 being
be
am was
is was
are were
was were
be...was were
现在时就只有am.