tense

Question

I saw him standing under a tree.

I saw him stand under a tree.

I saw him stood under a tree.

Which correct?我看到书上写的是第一组。为什么standing 前面没有加be(is am are was were)？

Answer 1

首先，第三组一定是要先踢掉，因为一个句子不能有两个past tense

然后，一个句子如果里面有两个动词的话，第二个动词就要加-ing，所以你看saw是第一个动词，stand是第二个，stand就要变成standing咯