作业帮are的过去式是什么?没
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are的过去式是什么?没
are的过去式是什么?
没
are的过去式是什么?没
过去式和过去分词都是were
were
were
Were
were
were
are-were
were
are-were
is -was
是were are，am的过去式都是这个
is 的是was
1.概念：
过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；
2.时间状语：
ago, yesterday, the day before yesterday, last week,last(year, night, month…), in 1989, jus...
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是were are，am的过去式都是这个
is 的是was
1.概念：
过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；
2.时间状语：
ago, yesterday, the day before yesterday, last week,last(year, night, month…), in 1989, just now, at the age of 5, one day, long ago, once upon a time(很久以前), etc.
3.基本结构：
be动词；行为动词 的过去式
4.否定形式：
was/were+not;在行为动词前加didn't，同时还原行为动词。
5.一般疑问句：
was或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。
6.例句：
She often came to help us in those days.
I didn't know you were so busy.
7.一般过去式的构成形式：
肯定式 疑问式 否定式 疑问否定式
I worked Did I work? I did not work Did I not work?
He(she,it) worked Did he(she,it) work? He (she,it)did not work Did he(she,it)not work?
We worked Did we work? We did not work Did we not work?
You worked Did you work? You did not work Did you not work?
They worked Did they work? They did not work Did they not work?
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WERE
were