为什么是 Be seen to do 而非 be saw to do?句子是：She was seen to come here._英语解答

为什么是 Be seen to do 而非 be saw to do?
句子是：
She was seen to come here.
这是哪方面的语法问题啊?

人气：382 ℃　时间：2020-09-30 11:30:13

解答

be+done(过去分词) 构成被动语态
see,saw,seen分别是动词原形,过去式和过去分词.
这是被动语态问题.