免疫力差吃什么好:谁能告诉我seen在什么时候出现
来源:百度文库 编辑:查人人中国名人网 时间:2024/05/16 05:25:33
1. 被动语态, eg: She was seen stealing sth
2. 完成时态, eg: I have seen him many times.
be之后
seen是过去分词,在完成时出现、。。
1. 被动语态, eg: She was seen stealing sth
2. 完成时态, eg: I have seen him many times.
be之后
seen是过去分词,在完成时出现、。。