he forgot to t(-----) on the electric fan and several hours later he was all w(-----)through

He forgot to ______an umbrella with him he forgot to t(-----) on the electric fan and several hours later he was all w(-----)through 请问一下这两个英语句子forgot后面为什么一个用TO DO 一个用doingi didn't go to your party because he forgot to tell mei forgot posting the letter and looked for it everywhere He told( )to do it,but we forgot. 2.24Did he lose his wallet ? No ,he forgot to bring it. He forgot it at home.forgot 错了 应该改为什么 为什么~ I didn't know where he lived还是I didn't know where he lives对?-Why didn't you go to his birthday party yesterday?-Because I didn't know ______.He forgot to tell me.A.where did he live B.where he lived C.where does he live D.where he lives选B not only...but...as well 合并句子He forgot to take his umbrella.He forgot to take his briefcase.He not only forgot to take umbrella but he forgot to take briefcase.这是不是太累赘了?我想这样答行不行?He forgot to take not only his u 用had to 或 must have been填空.He didn't come to work yesterday.He ____ill.He didn't come to the office this morning.He ______stay at home.I don't think she was Austrian.She _____German.I lost my pen so I _____buy a new one.He forgot his case so he came here ,he forgot to bring a kite 改为同义句 he was so interested in it that he forgot to get off的THAT So happy was he that he forgot what to say.这个句子里有什么知识点? I forgot to tell you that...---Where is Mr.Black?---I forgot to tell you that he has gone to Beijing on business.还是 ---I forgot to tell you that he had gone to Beijing on business. I want to forgot 反义疑问句 一题He forgot my birthday,didn’t he?—— He want to give you a big surprise.A.Yes ,he did B No,he didi CNo,he didn’t我却选A.这句的前面是他忘记我的生日.这是表否定.我觉得Yes ,he did 意为：不,他没有 ___to his research ,he forgot to have supper.为什么不能填Devoting或To devote Time won't let you forgot the pain,it will make you to get used to He forgot his umbrella,________? 请问以下两组句有什么区别.第一组He forgot to be photographed.He forgot being photographed.第二组He forgot that he had to be photographed.he forgot that he had been photographed.对不起，我提问时没说清楚。我这4个例句