我们已经学了大约两千个英语单词了 We have learn about two thousand English words为什么用 have

问题描述:

我们已经学了大约两千个英语单词了 We have learn about two thousand English words
为什么用 have

have是构成现在完成时的助动词

We have learned about two thousand English words 因为所学的单词至今年对我们都有影响
所以用完成时态 即用了have