什么情况下用be动词的过去式?比如:I went to the park.为什么不加are?过去式是由什么形式演变过来的
4个回答

英语小辈:

一般过去时:用动词过去式

如go,work,study...

I went to school .

I worked in the daytime.

She studied English carefully.

这些动词都是行为动词(或叫实意动词),具有实际意义的动词.这类动词直接用过去式构成一般过去时.

如果动词是联系动词be时,表“是”,那就用be的过去式was,were.

我们(是)快乐的.-We were happy.

我是男生.-I was a boy.