--She couldn't have done that sort of thing.--____What she did with what you did,I consider her more sensible.Besides,it's none of your business.Get down to your lessons.A.Compared;doingB.Comparing;doC.Comparing;doingD.Compared;doget down to

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--She couldn't have done that sort of thing.--________What she did with what you did,I consider her more sensible.Besides,it's none of your business.Get down to ____your lessons.A.Compared;doingB.Comparing;doC.Comparing;doingD.Compared;doget down to
--She couldn't have done that sort of thing.
--________What she did with what you did,I consider her more sensible.Besides,it's none of your business.Get down to ____your lessons.
A.Compared;doingB.Comparing;do
C.Comparing;doingD.Compared;do
get down to doing
为什么第一空用comparing?什么时候用compared?

--She couldn't have done that sort of thing.--________What she did with what you did,I consider her more sensible.Besides,it's none of your business.Get down to ____your lessons.A.Compared;doingB.Comparing;doC.Comparing;doingD.Compared;doget down to
本题考查分词作状语,看所填动词与主句主语的关系：表主动用现在分词；表被动用过去分词.
主句主语是I ,就是我“比较” ,表示主动,所以用现在分词的形式.
Compared with the size of the earth , the biggest ocean doesn't look big .
该句子的主语是the biggest ocean ,不能主动去比,只能是被比起来,表示被动,用-ed 的形式.
或者记住这样的结构：be + PP（过分） + 介 ,位于句首,作状语,则省略be.
Satisfied with our work , the boss shook hands with us , 解析：be satisfied with
英语中这样的结构很多：be interested in , be designed for , be based on .

comparing What she did with what you did是现在分词短语作状语，相当于一个时间状语从句。
compared所引导的过去分词短语作状语时，其逻辑主语就是后面句子的主语，就是说主语被动地承受了compared的动作。

She couldn't possibly have left without me. She couldn’t have believed it,but that she saw it.这句话对吗?我认为应该是She couldn't have believed it,but that she had seen it. can’t / couldn’t have she couldn't find her couldn't have done和couldn't do的区别 It would have saved Harriet endless grief had she now told him the truth ,but she couldn`t do that. 8.---Jane walked past me without greeting.----She _____ you.A.can't have see B.couldn’t see she couldn't read or write she couldn't work( )the last question She couldn't see or hear a____ she couldn't remember anymore翻译 I didn't see her in the meeting-room this morning.she(couldn't have spoken) at the meeting我觉得应该是：mustn't have spoken I couldn’t have said it better. they couldn't have done better是什么意思 i couldn't have enjoyed any more She was so excited that she couldn't __(speak) [请教]高二英语单选题1.She_____the book sometime in the past,or she ____the question so well.A.must have read; couldn't have answeredB.must read; couldn't have answeredC.must have read; couldn't answerD.must have read; can't answer2.We are go couldn't don't have to needn't的区别