完成句子.I'm so sorry______at such an awkward time,but I really had something urgent to tell you.(call)我真的很抱歉在这么不合适的时间给你打电话,但我真的有急事告诉你.have called you,请问为什么要用have done,不
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![完成句子.I'm so sorry______at such an awkward time,but I really had something urgent to tell you.(call)我真的很抱歉在这么不合适的时间给你打电话,但我真的有急事告诉你.have called you,请问为什么要用have done,不](/uploads/image/z/7424276-68-6.jpg?t=%E5%AE%8C%E6%88%90%E5%8F%A5%E5%AD%90.I%27m+so+sorry______at+such+an+awkward+time%2Cbut+I+really+had+something+urgent+to+tell+you.%28call%29%E6%88%91%E7%9C%9F%E7%9A%84%E5%BE%88%E6%8A%B1%E6%AD%89%E5%9C%A8%E8%BF%99%E4%B9%88%E4%B8%8D%E5%90%88%E9%80%82%E7%9A%84%E6%97%B6%E9%97%B4%E7%BB%99%E4%BD%A0%E6%89%93%E7%94%B5%E8%AF%9D%2C%E4%BD%86%E6%88%91%E7%9C%9F%E7%9A%84%E6%9C%89%E6%80%A5%E4%BA%8B%E5%91%8A%E8%AF%89%E4%BD%A0.have+called+you%2C%E8%AF%B7%E9%97%AE%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E7%94%A8have+done%2C%E4%B8%8D)
完成句子.I'm so sorry______at such an awkward time,but I really had something urgent to tell you.(call)我真的很抱歉在这么不合适的时间给你打电话,但我真的有急事告诉你.have called you,请问为什么要用have done,不
完成句子.
I'm so sorry______at such an awkward time,but I really had something urgent to tell you.(call)
我真的很抱歉在这么不合适的时间给你打电话,但我真的有急事告诉你.
have called you,请问为什么要用have done,不能只用do吗
How can you ask again?I think_____at all when I presented the answer to you.(listen)
你怎能再问一遍?我认为当时我在讲解答案时你根本没听.
答案是you were not listening,请问为什么不用情态动词表推测?
完成句子.I'm so sorry______at such an awkward time,but I really had something urgent to tell you.(call)我真的很抱歉在这么不合适的时间给你打电话,但我真的有急事告诉你.have called you,请问为什么要用have done,不
第一题:
have done 表明已经发生.怎么看得出来呢?因为后面的句子有过去时had.
如果是一般现在时,就能用to do,即 I'm sorry to call you at such ...,but I really have something ...
第二题:
用过去进行时,表示和“我讲解”同时发生.
用情态动词表推测也可以,即 You couldn't be listening at all when I presented the .此时,I think 不必用.
第一题是因为后面说了had something ,这里had是过去式,推测出前面call动作是过去发生的,to have called you 有过去的意思,to do 没有
第二题我也说不太清,但总觉得情态动词表推测的话这个I think有点多余。。。
望采纳~~
你好!
1 be sorry to do 是搭配
用to have done是因为这件事已经在过去的某个时间发生过了
2 后面出现了when 说明是在提到的过去某个时间点正在发生的事情,所以用过去进行时态