句子结构分析Her work done,she sat down for a cup of tea 这里为什么不是her

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句子结构分析
Her work done,she sat down for a cup of tea 这里为什么不是her work being done
lots of homework to do ,i have to stay home all day 这里也不是 homework to be done
the country has already sent up three unmanned spacecraft,the most recent having been launched at the end of last March 但为毛这里就是要用到被动了?

答：1.　“Her work done,she sat down for a cup of tea.”这一句中,
A.　“her work done”为动词的过去分词,表示“已完成”的状态,在句中充当时间状语,作用相当于副词；
B.　在这一句中,非谓语动词“do”有独立的逻辑主语“her work”,　而谓语动词“sat down”的主语为“she”;
C.关于第二问,请思考以下几种非谓语动词形式的不同含义：
1）her work done:过去分词,表示“已完成”；表被动（即“工作”已经被完成）；
2）her work being done:现在分词一般且被动状态,表进行；
3）homework to be done：动词不定式一般且被动状态,表未来.
答：2.　“The country has already sent up three unmanned spacecraft,the most recent having been launched at the end of last March.”
与第1句相比较,第2句中的非谓语动词短语“the most recent having been launched……”是现在分词短语,“the most recent”="the most recent unmanned spacecraft（最近/新的无人驾驶宇宙飞船）"是分词的逻辑主语；
“having been launched”：现在分词完成且被动形式,表示已经完成和被动；
“having been launched”在句中充当补充性状语成份；
“having been launched”在此句中可以用“launched”替换：
“The country has already sent up three unmanned spacecraft,the most recent launched at the end of last March.”

句子结构分析Her work done,she sat down for a cup of tea 这里为什么不是her she sat down and accepted a cup of very strong tea,while he her cup of tea是什么意思为什么是a cup of tea 不是 a cup tea 为什么her cup of tea的意思不是 "她那杯茶"? She offered me a cup of tea before I ______ sit down tea,father,she,some,for,buys,her she ( )a cup of tea.填空改错：She studied her hands for a moment and looked down.为什么把do she took her for a walk near the river 这里为什么用for Please pass her the cup of tea的同义句句子I want to have a cup of tea主谓宾结构为什么谓语动词是want 而不是want to