I know this has been hard.has been 是什么语法?
人气:177 ℃ 时间:2020-03-29 06:14:09
解答
has been hard 是is hard 的现在完成时
现在完成时的的形式是:
have(has)+ 过去分词
be 的过去分词是been
不明白可以追问我,满意的话请点击【采纳】省略been, 用hard的过去分词不行吗?hard 是形容词, 没有过去分词形式我搞错了这个been有实际意思吗?是不是应该这样理解,从句用现在时应该是this is hard.把现在时改成完成时,加has把is变过去分词been,hard不变。OK谢谢,终于弄通了
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