为什么不能说he will leave after an hour?要用in an hour?

相关推荐

• He will be back in an hour.为什么要用be?
• I have being waiting for an hour but he still___.A.hasn't turned up B.didn't turn up C.didn't show upA对,为什么要用完成时?其他两个为什么错?求解,谢谢
• I am going home in about an hour.本句中为什么要用in 用at 或after
• he has been in the cinema for an hour是什么时态,为什么要用been?完成时态为什么不用go的过去分词,而用been?
• 用恰当的形式填空51.He spent an hour ___________ (finish) his work last night.52.We _________ (meet) our new teacher at the school gate yesterday morning.53.We _______________ (have) a good time in Hangzhou last week.54.Jenny ________ (buy) lots of presents for her family last Christmas.55.She was _______ (tire) after she climbed the mountain.56.She _________ (hope) the weather will be fine next Sunday.57.— Where is Lingling?— Oh,she ________ (leave) just now.
• 为什么动词leave不加ing呢 He’d close the door, leave me to wonder why it was always grown-ups’ time with him. 这句话前面已经有个动词close了,后面补充说明不是动词应该ing形式的leaving吗.比如这句话：Sometimes I sat there for an hour, listening to their laughter, their chatter. 里面listen就是ing形式,求教.
• 现在完成时的has gone has been问题where has John gone?To the library.He has been there an hour.第二句是不是他去那里已经一个小时了?为什么要用has been 而不用has gone呢?has gone 不是表示去了哪里还没有回来吗?而has been不是表示去而回返吗?
• （）in the queue for half an hour,tom sud denly realized that he had left his wallet at homea:To wait b:Have waited c:Having waited d:To have waited为什么要用having?b,由tom做的动作所以用ing形式?表主动?、请一个一个的解释
• He will be back in an hour.为什么要用be?
• I am going home in about an hour.本句中为什么要用in 用at 或after
• 四时不谢、谢字的意思
• 小明考试的数学,语文,英语,的平均分是92分,语文成绩和数学成绩一样,数学成绩和英语成绩的比是8:7,问