题目
现在分词完成式
1.we are happy to have been working with you.
2.we are happy to having been work with you.为什么
1.we are happy to have been working with you.
2.we are happy to having been work with you.为什么
提问时间:2021-02-20
答案
1,have been doing现在完成进行时,表示动作从过去某时开始到现在这一段时间里还在延续,它侧重动作的未完结和进行They have been talking all the night.他们谈了一宿的话.(这一宿,这一动作都在进行着)we are happy...
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