过去完成时的话如下
1.My favorite book had already been sold out.
2.He had drunk a glass of hot milk before going to bed last night.
3.He had learned 3000 words by end of last year.
4.I asked him,what had happened just now.
5.I had never been to Shanghai.
过去完成时的话如下
1.My favorite book had already been sold out.
2.He had drunk a glass of hot milk before going to bed last night.
3.He had learned 3000 words by end of last year.
4.I asked him,what had happened just now.
5.I had never been to Shanghai.