finished .when ____(finish) the book will probably have 500 pages.分析；答案是finished 我只知道后面有个will 将来时,其他就不知道了.这边的finished应该是过去分析形式吧.为什么不加个have什么的?

When he finished his homework,my sister finished hers,too.(同义句转换) My sister finished herhomework___ ____ ____he finished his I ____ playing tennis when Tom and George arrived.为什么空格处是had finished 而不是finished? finish or finished?When ____(finish),the book will probably have 500 pages.为什么不是it finish 而是 finished Could you ____ me a hand when you have finished your work?(borrow call lend give) No sooner ____ finished my work ____ the boss come.A.had I,when B.I had,when C.had I,than D.I had,when Ask her to come and see me when she ____ her work.A) will finish B) finishes C) has finished D) had finished 2 Ask her to come and see me when she ____ her work.A) will finish B) finishes C) has finished D) had finished It seemed only seconds ____ the boy finished washing his face.A.when B.before C.after D.evenIt seemed only seconds ____ the boy finished washing his face.A.when B.before C.after D.even Mary had finished her homework ____ the time I got home.A.until B.by C.at D.when When you have finished the experiment,include your ____ in a report.填find的什么形式? finished .when ____(finish) the book will probably have 500 pages.分析；答案是finished 我只知道后面有个will 将来时,其他就不知道了.这边的finished应该是过去分析形式吧.为什么不加个have什么的? Mary had finished her homework ____ the time I got home.A.until B.by C.aMary had finished her homework ____ the time I got home.A.untilB.by C.at D.when No sooner had he finished his speech ____ he was stopped by the chairmanNo sooner had he finished his speech ____ he was stopped by the chairman A.then B.than C.and D.when Well,when he finished reading是什么意思 I want to know when ____ have a field trip We'll have it when all the work ____.A you are ,will finish B you will ,finishes C you will ,is finished D you ,finish jim ____ finished his work,________. He finished his homework ____(quick). 【高中英语】请问这道题为什么不选A?Scarcely had I finished the work ____ I went home.A.before B.than C.as D.when