when she had finished he momework,she went to town

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when she had finished he momework,she went to town
having finished her homework.这里的haveing为何不是had这样的用法有什么特定的改法吗

when she had finished the momework【时间状语从句】,she went to town
=Having finished the momework【现在分词的完成式作时间状语】,she went to town
=The homework( having been) finished 【独立主格结构作时间状语】,she went to town
再问：厉害你可以跟我分享下这样的句子改法为什么是having而不是其他
再答： having + 过去分词是现在分词的完成式，先于谓语动词发生时，同时又是表主动，便可用这个形式。至于为什么用现在分词，就要注意分词的用法了，它可以做时间，原因，条件等状语
再问：为什么用had finished不行
再答： had finished 只能作谓语，不能单独（在没有连词，主语的情况下）作时间状语

when she had finished he momework,she went to town She had finished writing the letter when I went in. However,when he went to frighten the gril,all that she had d She had finished the housework before she went out 1.she went to bed when she finished her homework.(改为同义句)下面. As soon as he had finished ,Jenny told him she want to go ho 例句：She goes to town every day = She went to town yesterday. He waited until she had finished speaking.怎么翻译? 新概念怎么翻译这句话啊she had finished the house work before she went o 同义词：Lise went to bed after she finished her homework. When I went to see Mrs.Smith last week,I was told she had le 英语翻译The writer had her bag with her when she went to the pub