表示在做某事时用doing,做过某事用do
如:see sb.doing sth./ see sb.do sth.
We saw her chatting with her neighbors.我们看到她在和邻居聊天.
I saw him climb the tree yesterday.我昨天看到他爬树了.
表示在做某事时用doing,做过某事用do
如:see sb.doing sth./ see sb.do sth.
We saw her chatting with her neighbors.我们看到她在和邻居聊天.
I saw him climb the tree yesterday.我昨天看到他爬树了.