I have started the English classes since three weeks ago. 这句话为什么是错的?错在哪?

I have not started the count yet.还是I have not started counting yet? We are late. I expect the film ___ by the time we get to the cinemaA) will already have started B) would already have started C) shall have already started D) has already been started 英语翻译I am an e-mail user．When I first started to use the e-mail system.I used to read all my e-mail．I didn’t have much mail．1 was very excited about receiving any e-mail．I gave my friends my e-mail address．Soon I had more mail than We're late I expect the film_____ by the time we get to the cinema.A:had already started B.have already ;C.will already have started D.have already been started. So I have started taking lessons at the Hilltop Language School的take为什么加ing i just now started the dishes.为什么是started? i just now started the dishes为什么是started? 英语翻译 （计算机类）, 谢谢An executing process disappears again when it terminates (i.e., reaches the end of the body of its processtype declaration), but not before all processes that it started have terminated.特别是 后半句 but n ____ the paper,i have to write it carefullya:starting b:after startingc:having started d:once i start I have been asked to help out on many different floors besides the waiting room where I started.怎么翻译? I really should have at least started without the factory,because it ...I really should have at least started without the factory,because it shouldn't be around if it doesn't add value. Linda was to have started the experiment a month ago为什么要用“To have started ” I have started taking lessons at the Hilltop Language School 为什么用了startstart不是非延续性动词吗 I have started the English classes since three weeks ago. 这句话为什么是错的?错在哪? We are late.I expect the film _____by the time we get to the cinema.A:will already have startedB:will have already started I wish i could finish all the things i started I should have started skydiving a long time ago I wish I could finish all the things I started.为什么 I started要放在后面,写成I wish I could finish I started all the things .