learned的什么时态 had

had learned是过去完成时态。

We had learned 500 words by the end of last mouth.

到上个月末我们已经学会了 500 个单词。

I had learned 1000 English words till then.到那时为止我已经学会了 1000 个英语单词。

A timid child， Isabella had learned obedience at an early age.

伊莎贝拉是一个羞怯的孩子，很小的时候就已经学会了顺从。

had learned的什么时态

可以用于过去时，此时是动词，如 I had my dinner at 8.p.m. alone in the cafeteria.再就是作为非谓语，可以是过去完成时had done，如 I had lost my book. 过去完成进行时had been doing如 I had been playing ...