我还没来得及听懂,他就结束了他的演讲。 ④用于以下句式 It wasn't/won't be long before...“不久就……” It wasn't long before the missing child was found. 不久就找到了那个走丢的孩子。 I think it won't be long before we meet again. 我想我们不久还会再见面的。 It will be/was...before...“过……才……” It will be five years before we meet again. 五年以后我们才能再见面。 It will be two years before he comes back. 两年以后他才能回来。 (4)since的用法 表示“自……以后,从……以来” Where have you been since I last saw you? 自从上次我和你见面以后,你到哪里去了? 2.常用句式。 (1)It is...since...(since引导的从句常用过去时)。 It is three years since he came here.他来这儿三年了。 (2)It was...since...(since引导的从句常用过去完成时)。 It was a long time since I had enjoyed a good drink. 我很久没有这样痛快地喝酒了。 3.表示“一……就……”的连词。 (1)表示“一……就……”的连词或短语有as soon as,immediately,directly,the moment(that),the instant(that),the minute(that)等。 I'll tell him the news as soon as he comes. 他一来我就告诉他这个消息。 Directly I had done it,I knew I had made a mistake. 我刚做完这件事,就知道我错了。 I sent you the news the instant(that)I heard it. 我一听到这消息便通知你了。 I'll give him your message the minute(that)he arrives. 等他一到,我就把你的口信告诉给他。 (2)no sooner...than和hardly/scarcely...when表示“刚一……就……”。此类句式中的主句常用过去完成时。若否定词在句首,则用倒装结构。 I had no sooner got home than it began to rain. =No sooner had I got home than it began to rain. 我刚到家就下起雨来。 (二)原因状语从句 引导原因状语从句的从属连词有as,because,since,now(that),seeing(that)等。 (1)because,as,since和for表示原因的用法比较 ①because表示产生某结果的直接原因,语气最强,引导的从句可放在句首或句末,放在句首时通常用逗号将从句与主句隔开。 Because he didn't study hard,he failed in the exam. 因为他没有努力学习,所以考试失败了。 ②as表示原因时,语气不如because那么强,可译为“因为、由于”,引导的从句常放在句首。 As he wasn't ready in time,we went without him. 因他未能及时准备好,我们没有等他就去了。 ③since意为“因为、既然”,往往表示较明显的原因,语气比because弱,引导的从句常放在句首。 Since we have no money,we cannot buy it. 因为我们没有钱,所以我们不能买这件东西。 ④for是并列连词,语气最弱,表示对前面分句加以解释或表示推断,引导的分句常放在句末,从句前要用逗号。 He must be sick,for he looks pale. 他一定是病了,因为他的脸色不好。 (2)now(that)既然;由于 Now(that)you'll grown up,you must stop this childish behaviour.你既然长大了,就必须停止这种幼稚的行为。 (3)seeing(that)因为;由于 Seeing that he is very old,he shouldn't be sent there. 由于他年纪太大了,所以不应被派到那里去。 (三)地点状语从句 引导地点状语从句的从属连词有where和wherever(无论在哪里)。 I had a picture taken where there stands a tower. 我在有塔的地方拍了一张照片。 Wherever you go,you should know the customs of the local people.无论你走到哪里,你都应了解当地人的习俗。 (四)结果状语从句 引导结果状语从句的从属连词有so,so that,so...that,such...that等。一般来说,so that引导的从句中若有may,might,can,could等情态动词,就是目的状语从句;若没有情态动词,就是结果状语从句。 He got up early so that he could catch the train. 他起得很早以便能赶上火车。(目的状语从句) He got up early,so that he caught the train. 他起得很早,因此赶上了火车。(结果状语从句) (五)目的状语从句 引导目的状语从句的从属连词有so that和in order that。 He started out early in order that he might arrive in time. 为了能及时到达他很早就出发了。 (六)比较状语从句 引导比较状语从句的从属连词有as,than,as...as,not as/so...as等。as...as可用在肯定句和否定句中,而so...as多用在否定句中。 Tom is as tall as John.汤姆和约翰一样高。 Tom is not as/so tall as John.汤姆没有约翰高。 (七)方式状语从句 引导方式状语从句的从属连词有as,as if,as though。 You should do as I told you.你应按照我告诉你的去做。 It looks as if it is going to rain.天看上去好像要下雨。 (八)让步状语从句 引导让步状语从句的从属连词有though,although,even though,even if,no matter how,however,no matter what,whatever,no matter who,whoever,no matter which,whichever,whether...or,while(虽然),as(尽管)等。 (1)whatever和no matter what的用法比较 whatever和no matter what都可引导让步状语从句。 Whatever/No matter what you say,I won't believe you. 无论你说什么,我都不会相信你的话。 但是,no matter...引导的从句不能做主语或宾语。而whatever可以引导主语从句或宾语从句。 You shall get whatever you want.你会得到你想要的一切。 Whatever you do should be good for our society. 你所做的一切都应有益于我们的社会。
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