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1、状 语 从 句,It is three years since he arrived here.,1、时间状语从句 问题1： Dont be afraid of asking for help it is needed. Aunless BsinceCalthough Dwhen,根据句意，此处只能为时间状语从句，故答案为D。 unless 引导条件状语从句，意为“除非”；although 引导让步状语从句，意为“虽然”；since 虽引导时间状语从句，但意思为“从以来”，这些都与题意无关。引导时间状语的引导词很多，复习when 时要注意比较它与while 与 as 的区别。,D,问题2：1)
2、 Was his father very strict with him when he was at school? Yes. He had never praised him he became one of the top students in his grade. AafterBunlessCuntilDWhen 2) Simon thought his computer was broken _ his little brother pointed out that he had forgotten to turn it on. A. until B. unless C. afte
3、r D. because,C,A,until / till “直到止”(肯定句，主句是延续性动词); notuntil “直到才”(否定句，主句是终止性动词); until 可用于倒装句和强调句，till不用于句首。 Not until I returned did she finish her homework. It was not until I returned home that she finished her homework.,问题3：1、The American Civil War lasted four years _ the North won in the end. A
4、. after B. before C. when D. then 2、He made a mistake, but then he corrected the situation _ it got worse. A. until B. when C. before D. as,B,before 从句是专升本考试中的一大热点，从时间概念上不难作出判断。注意它的翻译：在肯定句中一般翻译成“（主句的动作）才（从句的动作）”，如题1；或“还没有（从句的动作）就（主句的动作）”，如题2。,C,问题4： Did you remember to give Mary the money you owed h
5、er? Yes, I gave it to her _ I saw her. Awhile Bthe moment Csuddenly Donce,B,the time（当的时刻）, the moment / minute / second / instant (一 就 ), next time (下次), the first time(第一次的时候), the last time (上次的时候)，immediately（一就）, instantly（一就）, directly（一就）等词或词组可引导表示时间的状语从句；还有一些表示习惯性动作的词如：every time（每次）, each t
6、ime（每次）, whenever（每当）等也可引导表示时间的状语从句。,2、条件状语从句 问题1： 1、 It is known to all that _ you exercise regularly, you wont keep good health. A. unless B. whenever C. although D. if,A,unless 相当于 if not，意思是“除非”“如果不就”。这也是考试的热点之一。复习时也应给予高度重视。,问题2： 1、_ I can see, there is only one possible way to keep away from th
7、e danger. A. As long as B. As far as C. Just as D. Even if 2、I always take something to read when I go to the doctors _ I have to wait. Ain case Bso that Cin orderDas if,B,A,as long as 与 as far as 都可引导条件状语从句，as long as 表示“只要”，as far as 表示“就而论（而言）”。题1根据题意应该选用B。in case 表示“以防”，根据题2的句意，不难作出选择。,3、让步状语从句
8、问题1： 1、 _ I accept that he is not perfect, I do actually like the person. A. While B. Since C. Before D. Unless 2、Allow children the space to voice their opinions, _they are different from your own. A. untilB. even ifC. unless D. as though,A,B,while 是高频词，它既可引导时间状语从句，又可引导并列句，还可引导让步状语从句，表示“尽管”。even if
9、 等于 even though，表示“即使、尽管”。as though 等于 as if，引导方式状语从句，表示“好像、似乎”。,问题2： 1、 He tried his best to solve the problem, _ difficult it was. A. however B. no matter C. whatever D although 2、The old tower must be saved, _the cost. Ahowever Bwhatever Cwhichever Dwherever,A,B,no matter wh- 与 wh-ever 的联系及区别： no
10、 matter wh- 只引导让步状语从句，此时与 wh-ever通用。 如: No matter when / Whenever he comes back, he should be invited to the party. wh-ever又可引导名词性从句， No matter wh-不能。如： Whatever I can do for you will be nothing but paying a debt. Whoever can help us will be welcome,4. 状语从句的时态问题 问题1： 1、The house could fall down soon
11、 if no one_ some quick repair work. A has done B is doingC does D had done 2、It is almost five years _ we saw each other last time. A. before B. since C. after D. when,在条件，时间和让步从句中，用一般现在时表示一般将 来时，用现在完成时表将来完成时，用一般过去时表过去将 来时。在 since 引导的时间状语从句中，动词一般都用一般 过去时，而主句常用现在完成时。,C,B,5、状语从句的倒装问题 问题1： 1、So difficu
12、lt _ it to live in an English-speaking country that I determined to learn English. A. I have felt B. have I felt C. I did feel D. did I feel 2、Not until all the fish died in the river, _ how serious the pollution was. A. did the villagers realize B. the villagers realized C. the villagers did realiz
13、e D. didnt the villagers realize,状语从句的倒装一般有下面几种情况： 否定词开头； so 加 adj. 开头； as / though引导的让步状语从句。,D,A,特别注意： Hardly when No sooner than Child as he is, Hardly had he got to the station, the train left. No sooner had he got to the station, the train left. Child as he is, he can speak seven foreign languag
14、es.,Revision of the Adverbial Clauses 状语从句复习,九种常用的状语从句及其常用的连接词,时间状语从句 地点状语从句 原因状语从句 条件状语从句 让步状语从句 结果状语从句 目的状语从句 方式状语从句 比较状语从句,九种常用的状语从句及其常用的连接词,时间状语从句,when, while, as, before, after, as soon as, till, until, notuntil, the first/second/last time, the moment, the minute, the instant, immediately, dire
15、ctly, instantly, hardlywhen, scarcelywhen, no soonerthan,where, wherever,because, since, as, now that, seeing that, considering that,if, unless, now (that), as(so) long as, in case, on condition that, suppose/supposing, provided/providing,although, though, even though/if, as, while, no matter which/
16、what/when/where/who/how, whichever, wherever, whatever, whoever, whenever, however, whetheror；,地点状语从句,原因状语从句,条件状语从句,让步状语从句,九种常用的状语从句及其常用的连接词,结果状语从句,so that, sothat, suchthat,so that, in case, for fear that, lest,how, as, as if/as though,than, asas, not so/asas, the +比较级, the +比较级,目的状语从句,方式状语从句,比较状语从句,九种常用的状语从句,时间状语从句 地点状语从句 原因状语从句 条件状语从句 让步状语从句
