when she had finished he momework,she went to townhaving 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

ask her to come and see me when she finishes her work.为什么finishe要用一般现在时,而不是别的时态 英语语法高考时态练习题请问1.she (had lost )her job and (was working) as a waitress 2.“what were you doing when Anna phone you ” “i（had finishe )my work and (was started )to take a bath 这俩天括号里为什么它们用的时 英语语法高考时态练习题请问1.she (had lost )her job and (was working) as a waitress 2.“what were you doing when Anna phone you ” “i（had finishe )my work and (was started )to take a bath 这俩天括号里为什么它们用的时 i had sold the tichet when she came 否定句 She had finished writing the letter when I went in. she died in 1993 同义句转换 WHen did she discover she had a cancer 改错 Hardly had he arrived when she started complaining.为什么had在主语he的前面呢 when she had difficulty with calculade she copied numbers from the chengdu phone book如何翻译 she had her finger---when she was paper cutting.a.cut b.to cut c.cutting When she was twelve years old,she had to look after herself 的同意句 英语翻译she rememberd several occasions in the past when she had experiened a similar feeling. Linda was not satisfied.She had bought a sweater from a chain store and when she had washed it,the ------when she started complaining.ANot untill had he arrived BNo sooner had he arrivedCHardly had he arrivedDScarcely did he arrive When()to that rich man A year agodid she get married was she married had she got married had she been married原因也要 ----put down the receiver when the telephone rang again.a,Scarcely had she b,Scarcely did she c,Scarcely she d,Scarcely she had请详解 When she got to school,she realized she had left her backpack at home.我可以改成When she got to school,she was realizing she had left her backpack at home.这样可以吗? we found out that Jenny had a __31____ problem when she was four.Several operations and speech classes later,when she was seven,we found out that Jenney had Juvenile Rheumatoid Arthritis.(幼年类风湿性关节炎)She felt __32____ when she walked It was not until she had arrived home（ ）remembered her appiontment with the doctorA when she B that she C and she D so that she