Because I went to the Yunnan .I saw many things.

问题描述:

Because I went to the Yunnan .I saw many things.
这句话是否正确,我在描述我暑假去了云南,我认为那很好,然后下一句就是这个英文,是否用过去式?还是说:Because I go tozhe yunnan.I see many things?

云南前面不需要加定冠词the.
用过去式,因为你已经从云南回来了,你去云南看到很多东西是在过去发生的.