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,t

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,t
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?

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,t
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.”

1 Her work done, she sat down for a cup of tea 这里Her work done是过去分词的独立主格结构 作状语 过去分词表示 被动和完成
如果是her work being done 是现在分词的被动形式 的独立主格结构 现在分词的被动形式表示正在发生的被动 与 句子意思相悖 所以 错
而下面 句子 则可以
Her h...

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1 Her work done, she sat down for a cup of tea 这里Her work done是过去分词的独立主格结构 作状语 过去分词表示 被动和完成
如果是her work being done 是现在分词的被动形式 的独立主格结构 现在分词的被动形式表示正在发生的被动 与 句子意思相悖 所以 错
而下面 句子 则可以
Her homework being done, she coldn't go out with me .
2.lots of homework to do ,i have to stay home all day 这里不是 homework to be done
因为 不定式的逻辑主语 即执行者 是 句子主语 i 所以用主动形式
原句= because i have lots of homework to do ,i have to stay home all day
3 the country has already sent up three unmanned spacecraft，the most recent having been launched at the end of last March 这里是 现在分词完成形式的被动形式 的独立主格结构
因为强调 动作已经发生过了 故用 现在分词 的完成形式 这是伴随状语
原句 = he country has already sent up three unmanned spacecraft，and the most recent was launched at the end of last March
而 第一题 是时间状语 所以直接用过去分词。

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