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连词从功能上大致可分成并列连词和从属连词,从形式上可分为简单连词和复合连词短语。并列连词比较简单,因此不是学习的难点和考查的重点,相反,从属连词多引导各种从句,语义和语法功能都较为复杂,是一个高频考点。 [考点] 从属连词和常用的复合连词短语 [策略] 常见的从属连词有:after, before, as, while, when, since, because, for, now that, till, until, though, although, if, lest, even if, whether, provided, on condition that, unless, in case, so that, as soon as, as long as, as if, as though, so…that, such …that, as…as…等,分别引导时间、地点、原因、条件、让步、结果、目的、选择状语从句和虚拟语气。常用的复合并列连词有:either…or…, neither…nor…, both…and…, as well as…, not only…but also…等, e.g.1 I was halfway back to the cottage where my mother lived ____ Susan caught up with me. A. when B. while C. until D. though 【解题思路】 这是一个由简单连词引导的时间状语从句,答案应该是A、B、C其中之一,根据题目的语境,可知A.when当……的时候是最符合题意的,所以答案应为A。 e.g.2 He will surely finish the job on time ____ he’s left to do it in his own way. A. in that B. so long as C. in case D. as far as 【解题思路】 连词引导的是一个条件状语从句,B. so (as) long as“只要…”是唯一一个符合语义的连词;D.as far as是作为形似干扰项出现的,它本身并不是一个连词,只是一个同级比较结构;C.in case 连接结果状语从句或虚拟语气的;A.in that是一个“介词+代词”的结构。答案为B。 e.g.3 She had a tense expression on her face, ____ she were expecting trouble. A. even though B. as though C. even as D. now that 【解题思路】 从句的动词用的是were而不是 was,这是一个虚拟语气的提示信号,所以答案为B.as though。虽然也可以写作as if,但出题者故意用as though,就可以达到与even though形似的效果,形成对考生的干扰。
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