How_come_的用法

精选文库How come ?请看下面一道高考题:-Susan, will you please go and empty that drawer?-_?A. What for B. What is it C. How is it D. How come答案:A本题检测考生在实际情景中运用英语进行交际的能力。A、B、C三个选项考生比较熟悉,但是对How come这种说法并不熟悉,下面对How come在交际用语中以及其它一些用法进行归纳:I. How come.?How come是固定搭配,意为:怎么会.?怎么回事.?怎么搞的.?它和Why一样,可以用来引导一个问句。所不同的是,如果用How come来提问,就表示你觉得某件事很奇怪,有点想不通;并且,以How come开头的问句使用的仍是陈述句的语序。如:How come you didnt tell me earlier ? (=Why didnt you tell me earlier ?) 你怎么不早点儿告诉我?How come you didnt invite him to the party! He is your future boss. 你怎么没有邀请他参加晚会!他是你未来的老板。另外,以How come开头的问句有时也可说成:How comes it (about) that. ? / How is it that. ? 如:How comes it that youre so late? (=How is it that youre so late?) 你为什么来得这么迟?II. What for?What for. ? 是询问什么原因或目的,相当于:Why.? / For what purpose.? 如:What do you need to borrow money for? I thought you had plenty of money. 你为什么需要借钱? 我本以为你有许多钱。-Lets go and have a good drink tonight.-_ Have you got the first prize in the competition?A. What for? B. Thanks a lot.C. Yes, Id like to. D. Why not?答案: AIII. How about.? / What about. ?1. 用来询问情况或打听消息等,意为:.怎么样?.如何?如:How about your English exam yesterday? 你昨天的英语考得怎么样?-How are you getting on with your work? 你工作情况如何?-Not bad. What about you? 不错,你呢?2. 用来提出请求、建议或征求对方意见,后面除跟sth. 外,还可跟动名词doing,意为:你认为.怎么样?.如何?如:How about the two of us _ a walk down the garden?A. to take B. take C. taking D. to be taking答案: CIV. Why not ?Why not.? 用来向对方提出一个建议,意思是何不.? 它是一个省略形式的问句,相当于 Why dont you / we.? 如:Why not go home now? = Why dont you go home now? 你为什么现在不回家呢?Why not go out for a walk? = Why dont we go out for a walk? 我们何不出去散散步呢?注意:Why not后面必须接动词原形,即Why not do.? 如:-I usually go there by train.-Why not _ by boat for a change?A. to try going B. trying to goC. to try and go D. try going答案: DV. If only.If only意思是但愿.;要是.就好了,常引导虚拟语气的条件句或感叹句,用来表示说话人对某事所寄予的某种强烈愿望,相当于as long as。如:If only I were as clever as you!要是我像你一样聪明该多好啊!If only we had arrived in time, we would not have missed the train. 要是我们按时到,就不会误车了。If only it would stop raining! 但愿雨停下来。注意: only if 也引导条件状语从句,表示只有.(才);只有在.的时候;唯一的条件是.的意思;与if引起的条件句相比,语气更强。如:He will succeed only if he does his best. 他只有尽力而为才能成功。Ill come only if you really need me. 只有当你真正需要我的时候,我才来。VI. What if?What if.? 句型可用于两种情况:一是提出建议,问别人意下如何,是否可行,相当于:What do you think if. ?二是用于询问将来可能发生的事或面临的情况,表示恐惧、忧虑,有万一之意。如:What if we go and see a film tomorrow night? 我们明晚去看电影好吗?What if we get burgled while were on holiday? 要是我们度假时家里被撬了怎么办?What if I came tomorrow in