地点时间状语从句时态的时态问题

英语:10种最需要注意的时态考点归纳
英语:10种最需要注意的时态考点归纳
英语:10种最需要注意的时态考点归纳
根据试题统计,动词语法占语法考题中的50%左右,其内容主要包括动词的时态、语态、要掌握英语的时态和语态,必须掌握好英语中的助动词(do, be, have)和时间状语这两个核心问题。现将各考点分别归纳如下。
  1. 一般现在时
  主要用来表示人、事物的现在状况和特点;表示经常或习惯性的动作,句子中常有often, always, from time to time 等时间状语;表示客观规律和永恒真理等。
  He usually goes to work at 7 o’clock every morning.
  She has a brother who lives in New York. The earth goes around the sun.
  Guangzhou is situated in the south of China.
  考点一:表示永恒的真理,即使出现在过去的语境中,仍用一般现在时。如:
  I learned that the earth goes around the sun when I was in primary school.
  考点二:在时间和条件状语从句中,代替一般将来时,常用的引导词有:
  时间:when, until, after, before, as soon as, once, the moment / minute / day / year
  条件:if, unless, provided If he accepts the job, he will get more money soon.
  考点三:在make sure (certain), see to it, mind, care, matter +宾语从句中,从句用一般现在时代替一般将来时。
  So long as he works hard, I don’t mind when he finishes the experiment.
  只要他努力工作,我不介意他什么时候做完试验。
  考点四:在the more… the more … (越…越…) 句型中, 若主句是一般将来时, 从句通常用一般现在时。
  The harder you study, the better results you will get.
  2. 现在进行时
  表说话时或目前一段时间内正在进行的活动;与频率副词,如always,constantly,continually,again等连用,表示说话人的某种感情色彩(赞叹、厌烦、埋怨等)。
  We are having English class. The house is being built these days.
  The little boy is always making trouble.
  考点一:在时间状语或条件状语从句中表示将来正在进行的动作。
  Look out when you are crossing the street.
  Don't wake him up if he is still sleeping at 7 tomorrow morning.
  考点二: 表示在最近按计划或安排要进行的动作(这时多有表示将来的时间状语)。
  Marry is leaving on Friday.
  3. 现在完成时
  表示动作发生在过去,完成在过去,但强调与现在情况仍有联系,其结果或影响仍存在。现在完成时有一些标志性的时间状语。
  考点一:for + 时间段;since + 时间点
  They have lived in Beijing for five years.
  They have lived in Beijing since 1995. I have learned English for ten years.
  考点二:常见的不确定的时间状语:lately, recently, just, already, yet, so far, these days
  Has it stopped raining yet?
  考点三:在表示“最近几世纪/年/月以来……”时间状语中,谓语动词用现在完成时。
  in the past few years/months/weeks/days, over the past few years, during the last three months, for the last few centuries, through centuries, throughout history 等
  In the past 30 years China has made great advances in socialist construction.
  考点四:表示“第几次做某事,”或在 “It is the best (worst, most interesting ) +名词+that” 后面用现在完成时。
  This is my first time that I have visited China. That is the only book that he has written.
  This is the most interesting film I have ever seen.
  4.一般过去时
  表在过去某个特定时间发生且完成的动作,或过去习惯性动作,不强调对现在的影响,只说明过去。常与明确的过去时间状语连用,如:yesterday,
  last week, in 1945, at that time, once, during the war, before, a few days ago, when。
   考点一:used to + do 表示过去经常但现在已不再维持的习惯动作。to为不定式符号,后接动词原形。
  比较:be / become / get used to + doing 表示习惯于
  He used to smoke a lot. He has got used to getting up early.
  考点二:在时间和条件状语从句中,代替过去将来时。
  He promised to buy me a computer if he got a raise
  5. 过去进行时
  表示过去某个时间点或某段时间内正在发生的动作。
  The boy was doing his homework when his father came back from work.   
  He was taking a walk leisurely by the lake when he heard someone shouted for help.
  What were you doing at nine last night?
  The radio was being repaired when you called me.
  6. 过去完成时
  表示过去某个时间之前已经完成的动作,即过去完成时的动作发生在“过去的过去”,句中有明显的参照动作或时间状语,这种时态从来不孤立使用。
  There had been 25 parks in our city up till 2000.
  By the end of last term we had finished the book.
  They finished earlier than we had expected.
  考点一:用于hardly/scarcely... no sooner ...than句型中,主句用过去完成时,从句用一般过去时。
  I had hardly finished my work when he came to see me.
  I had no sooner got into the room than it began to snow.
  No sooner had I arrived home than the telephone rang. (注意倒装)
  考点二:表示“第几次做某事”,主句用过去时,从句用过去完成时。
  That was the second time that she had seen her grandfather.
  考点三:动词hope, expect, think, intend, mean, want, suppose, plan 用过去完成时,表示未实现的愿望、打算和意图。
  I had hoped that I could do the job. I had intended to see you but I was too busy.
  7. 一般将来时
  表示在将来某个时间发生的动作或情况。常和tomorrow, next year, in 2008等表示将来的时间状语连用,其表现形式多达5种。
  考点一:一般将来时总是用在一些时间状语从句或条件状语从句的主句中。
  We will begin our class as soon as the teacher comes.
  (主句用一般将来时,从句中一定要用一般现在时替代一般将来时。)
  考点二:某些表示短暂性动作的动词如arrive, come, go, leave, start等,用现在进行时形式表示将来。
  I am leaving for Beijing tomorrow.
  考点三:“祈使句 + and / or + 句子”,这种结构中and后面的句子谓语用一般将来时。
  Use your head and you will find a way.
  考点四:“be going to + 动词原形”,表示打算要做的事或可能要发生的事。
  “be about to + 动词原形”表示按照预定计划或打算准备着手进行的动作。
  “be to + 动词原形”表示必须、必然或计划将要做的事。
  They are to be married in May.
  8. 将来进行时
  表示将来某个时间正在发生的动作,或按计划一定会发生的事情。
  I’ll be doing my homework this time tomorrow. 明天这会我正在写作业。
  The President will be meeting the foreign delegation at the airport.
  9. 将来完成时
  表示在将来某时刻之前业已完成的事情,时间状语非常明显。
  考点一:常用的时间状语一般用by + 将来时间 ,如:by the end of this year, by 8 o’clock this evening, by March next year以及由by the time…, before或when等引导的从句。
  By the end of next month, he will have traveled 1000 miles on foot.
  By the time you reach the station, the train will have left.
  By next Tuesday, I will have got ready for the exams.
  考点二:在时间和条件状语从句中,将来完成时则由现在完成时表示。
  The children will do their homework the moment they have arrived back from school.
  10. 动词的语态
  一般用于强调受者,做题时谓语动词后通常不再有名词或宾语。动词的语态一般不单独考,而是和时态、语气和非谓语动词一起考,需要注意以下考点。
  考点一:不能用于被动语态的动词和词组
  come true, consist of, take place, happen, become, rise, occur, belong, break out, appear, arrive, die, fall, last, exist, fail, succeed
  It took place before liberation.
  考点二:下列动词的主动语态表示被动意义, 而且常与well, quite, easily, badly等副词连用:lock, wash, sell, read, wear, blame, ride , write
  Glass breaks easily. 玻璃容易破碎。 The car rides smoothly. 这车走起来很稳。
  The case locks easily. 这箱子很好锁。 The book sells well. 这本书很畅销。
  考点三:一些常用经典被动句型
  It is said…, It is reported…, It is widely believed…,It is expected…, It is estimated…,
  这些句子一般翻译为“据说…”,“人们认为…”,而“以前人们认为…”则应该说:It was believed…, It was thought…。
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文章来源莲山 课件 w ww.5 YK J.COM 透析中考英语语法状语从句考点【状语从句命题趋势】用一个句子(从句)来作另一个句子(主句)的状语,用作状语的句子就叫作状语从句。作什么样的状语就叫什么类型的状语从句。例如:条件状语从句就是用一个句子来作条件状语。
1.&考查时间状语从句。2.&考查原因状语从句3.&考查地点状语从句。4.&考查结果状语从句5.&考查条件状语从句。6.&考查让步状语从句。7.&考查伴随状语从句。8.&考查方式状语从句
【考点诠释】一、时间状语从句在时间状语从句中,通常要用动词的一般现在时态表示将来时,用一般过去时表示过去将来式。时间状语从句常用连词有: when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment ), by the time, no sooner … than, hardly (scarcely) … when, every time等引导。1.&考查when, while, as引导,表示“当……时候”.【考例】一Mum,____shall we have lunch?& ――We will have it when your dad__________.&& [07连云港市]A when;returns&&& &&B where returns& &&C.where;will return&&& D.when;will return[答案]A.[解析] 答语中when引导了一个时间状语从句,主句用了一般将来时态,所以从句用一般现在时态,可见正确答案在A与B之中。既然答语用了时间状语来回答,可见问句询问的也一定是时间,从而确定正确答案为A。2. before 的用法:before的本意为“在……之前”,根据具体语境还可理解为“还没来得及/还没有……就……,趁着还没……就……,不知不觉就……,……才……”等。如:【考例】Could you please give me your e-mail address _________you go? [昆明市]A. as soon as&&& &&B. before&&&&&&&& &&C. after&&&&&&&&& &&D. until[答案]B.[解析]这四个词(组)都可以引导时间状语从句,as soon as一……就.before在……之前;after在……之后;until直到……才。分析句子可以看出句意为“在你走之前把你的电子邮件地址给我好吗?”2.until 和till 的用法:与肯定式的主句连用,主句谓语必须是延续性动词,till/ until表示“……直到……”;与否定式的主句连用,且主句谓语是非延缓性动词时,till/ until表示“直到……才……”。其强调句型为“not…until” ,位于句首时要采用倒装形式。如:【考例】一Hurry up.The bus is coming.――Oh。no.We mustn't cross the street ____the traffic lights are green.[福州市]A. after&&& &&&B since&&& &&&C while&&& &&&D.until&&&&& [答案]D .[解析]本题应从句意人手。until常用于否定句中,构成"not…until"结构,意为“直到……才……”,该句意为“直到交通灯变绿,我们才能穿过马路”。The kids didn't start to fly kites in the playground _________the rain stopped. [成都市]A. if&&&&&&& &&&B. until&&&&&&& &&C. whenever[答案]B.[解析] not…until…直到……才。“直到雨停孩子们才可以去操场放风筝”,--Look! Here comes our school bus.&&&& --No hurry. Don't get on it _________it has stopped. [安徽省]A. until&&&&&&&&&& B. after&&&&&&&&&& C. since&&&&&&&&&& D. whenA.[解析]句中有don't,可想not...until为固定结构,意为“直到……才……”。三、对条件状语从句的考查引导条件状语从句的从属连词有if ,unless(=if …not如果不……,除非),as/so long as ,while(=as long as 只要),supposing(that),provided/providing(that),in case(假使),on condition that(在……的条件下)等。如:【考例】__you go to bed earlier, you won't feel tired in the mornings.[沈阳市]A. Unless&&& &&&B Because&&& &&&C.If&&& &&&&D.When[答案]C .[解析]考查if引导的条件状语从句。“假如你早一点上床睡觉,那么你在上午就不会感到累。”You won't pass your exams ___________ you work harder.& [广东省]&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& A. when&&&&&&&&& &&B. if&&&&&&&&&&&&& &&C. unless&&&&&&&& &&D. after[答案]C .[解析]when,after一引导的是时间状语从句,不合题意;if,unless引导的是条件状语从句,If不合句意,“除非你更加努力地学习,否则,你不会通过考试”。故用unless。四、对让步状语从句的考查用来引导让步地点状语从句的从属连词有:though,although,even if/though, while(虽然、尽管),for a11(that)(尽管)whether...or(不论/不管……还是……))以及“疑问词+ever(whatever,wherever,whoever,however,)”和 “no matter +疑问词”等。 【考例】―Shall we go on working?&&& ―Yes ,&&&&&&& I prefer to have a rest . (2004江西省南昌) &A.when &B.if&C.because &D.though[答案]: D[命题立意]:本题考查从属连词引导让步状语从句的用法。[试题解析]:依据上句:我们继续工作吗?是的,尽管我想休息会。Edison never gave up,&&&&&&&& he failed many times. (2004四川)&A.and&&B.though&&C.or[答案]: B[命题立意]:本题考查从属连词引导让步状语从句的用法。[试题解析]:依据题意:即使爱迪生失败多次,他也决不放弃。though用来引导让步状语从句。故选B。五、 对目的状语从句的考查:引导目的状语从句的从属连词有 so that , in order that (为了,以便);in case(以防,以免),lest(免得,以防),for fear that(以免,惟恐)等。从句中一般含有can , could, may,might ,will, would等情态动词。如:【考例】一More and more people in Beijing are learning English _______they can better serve the 2008 0lympic Games.一I'm sure they will.[宜昌市]A.because of&&& &&B so that &&&&C.even though&&& &&D.as if[答案]B.[解析] 本题也应从句意人手。越来越多的人学习英语,“为的是”能更多更好地为奥运服务。so that引导一个目的状语从句。六、对结果状语从句的考查【考例】The camera is&&&&&&&&& expensive&&&&&&&& I can’t afford& it. (2004辽宁本溪)A. so, that&&&&& &&B. such, that&&&&&& &&C. so, as to&&&&&& &&&D. enough, that[答案]: A[命题立意]:本题考查从属连词引导结果状语从句的用法。[试题解析]:依据题意:这照相机太贵以致我买不起。expensive为形容词,so…that…句中要用形容词或副词;such…that…要用形容词修饰名词。其他两项不能引起从句。故选A。【语法回顾】状语从句的分类。1. 时间状语从句用法要点。(1)as、when、while用法一览表。类别&作&&& 用&例&&&& 句as&as表示“当……的时候”,往往和when/ while通用,但它着重强调主句与从句的动作或事情同时或几乎同时发生。&She came up as I was cooking.(同时)The runners started as the gun went off.(几乎同时)when&(at or during the time that )既可以表示在某一点的时候,又可表示在某一段时间内,主句与从句的动作或事情可以同时发生也可以先后发生。&It was raining when we arrived.(指时间点)When we were at school, we went to the library every day.(在一段时间内)while&while意思是“当……的时候”或“在某一段时间里”。主句中的动作或事情在从句中的动作或事情的进展过程中发生,从句中的动词一般要用延续性动词。在when表示a period of time时,两者可以互换。&Please don’t talk so loud while others are working.He fell asleep while/when reading. Strike while the iron is hot.(用as或when不可,这里的while意思是“趁……”)凡是从句都必须有引导词,引导时间状语从句的词有 when, before, after, until, as soon as, while 等,具体用法如下:1. when 意为“当……时”,引导时间状语从句,表示主句的动作和从句的动作同时或先后发生。例如: I feel very happy when you come to see me. 你(们)来看我时,我感到很高兴。When you are crossing the street, you must be careful. 你(们)过街道时,一定要小心。when引导的时间状语从句,when的从句可以用延续性动词,也可以用点动词。例如:He was working at the table when I went in. 当我进去的时候,他正在桌旁工作。Someone knocked at the door when I was sleeping. 当我正在睡觉时,有人敲门。I will visit my good friend when I have time. 当我有空儿时,我将去看望我的好友。I worked for a foreign company when I was in Shanghai. 当我在上海时,我为一家外国企业工作。注:when也可以作并列连词,表示一个动词正在进行的时候,突然间发生了另外一件事。I was fishing by the river , when someone called for help. 我正在河边钓鱼,就在那时有人求救。We were working in the chemistry lab, when the lights went out. 我们正在化学实验室工作,突然灯都熄灭了。2. before 意为“在……之前”,引导时间状语从句时,表示主句的动作发生在从句的动作之前。例如: We cleaned the classroom before we left school yesterday.昨天离开学校之前,我们打扫了教室。 He had been a cook before he went to college . 他上大学前曾当过厨师。after 意为“在……之后”,引导时间状语从句时,表示主句的动作发生在从句的动作之后。例如: After you use plastic bags, you mustn't throw them about. 你(们)用过了塑料袋之后,不准到处乱扔。He called me after he had finished his work. 他在工作完之后给我打了个电话。注:若主句和从句两个动作发生的先后顺序十分接近,那么也可以不用完成时态,例如上面的第二句可改成:He called me after he finished his work. 3. since引导的时间状语从句,译为“自从……”,主句常用现在完成时,从句常用一般过去时。例如:We have made many dumplings since we began to cook. 自从我们开始做饭起,我们已经包了许多饺子了。We haven't seen each other since we parted . 我们自从分手以后一直没见过面。注:常用句型:It is +时间段+since从句&& 译为:自从……有多长时间了。例如:It is six years since she graduated from the university. 自从她大学毕业已有六年的时间了。4. until 意为“直到……时”,引导时间状语从句时,表示主句的动作发生在从句的动作之前。当主句的谓语动词是持续性动词时,主句常用肯定形式;当主句的谓语动词是非持续性动词时,从句常用否定形式, not... until... 意为“直到……才……”,这时的until可以用before 来替换。例如:I'll stay here until you come back. 我会呆在这里,直到你回来。(stay表示的动作可以持续) He didn't go to bed until he finished his homework.他直到做完作业才睡觉。(go to bed 表示的动作不能持续) 5. as soon as 意为“一……就……”,表示从句的动作一发生,主句的动作马上就发生。例如: I'll tell him about it as soon as he comes back.他一回来我就告诉他这件事。6. while引导的时间状语从句,常译为“与……同时,在……期间”,while的从句中常用延续性动词或表示状态的词。例如:They rushed in while we were discussing problems. 当我们正在讨论问题时,他们冲了进来。Father was cleaning the car while I was playing computer games. 当我正在打电子游戏时,爸爸正在清洗汽车。注:while也可以作并列连词,表转折的关系,相当于but,译为“然而”。 例如:I like listening to music, while my brother likes doing sports. 我喜欢听音乐,而我的兄弟爱好运动。7. till和until引导的时间状语从句,译为“直到……为止”,not … till / until引导的时间状语从句,译为“直到……才”。前者强调主句动作的结束,用延续性动词,后者强调主句动作的开始,用点动词。例如:I will wait for my friend until / till he comes. 我要一直等到我朋友来。We won't start our discussion until / till he comes. 我们要等到他来了,再开始我们的讨论。2. 条件状语从句用法要点。 我们主要看一下由if引导的条件状语从句。if 意为“如果”,引导条件状语从句时,表示假如有从句的动作发生就(不)会有主句的动作发生。例如: If it doesn't rain tomorrow, we will go there by bike.如果明天不下雨,我们就骑自行车去那里。If I get there early, I can see the doctor quickly.如果我早早地到那里,我就可以快点看病。3. 地点状语从句用法要点。常用where(哪里)和wherever(无论哪里)例如:Where there is a will, there is a way. 有志者,事竟成。We will go wherever the motherland needs us most. 我们要到祖国最需要的地方去。4. 原因状语从句用法要点。  常用的引导连词有because, as和since。三者的区别是:在回答问题的时候,使用because;对于显而易见的原因,常用as或since;as和since的从句常放在主句之前,而because的从句常放在主句之后。eg.Why did you go?& I went because Tom told me to go. 你为何去?那是因为汤姆叫我去。He was angry not because we were late but because we made a noise. 他很生气不是因为我们来迟了,而是因为我们弄出了声音。As it was raining hard, we had to be indoors. 由于雨太大,我们只好呆在家里。Since you feel ill, you'd better not go to work. 既然你感觉不舒服,你最好不要去上班了。5. 目的状语从句用法要点。  常用的引导连词有so that, that和in order that译为:以便,为了,目的是。例如:Please speak more slowly so that we can make full notes. 请讲慢一点,以便我们能作详细笔记。I shall write down your address that I may not forget. 我要把你的地址记下来,以免忘记。I sent the letter by air mail in order that it might reach him in time. 这封信我以航空信发出,以便他能及时收到。注:目的状语从句可以用动词不定式来替换做目的状语eg.We work harder than usual finish it in a week.& 我们比平常加倍努力工作以在一周内完成工作。三:主句与从句时态一致的问题。 在时间状语从句和条件状语从句中,主句和从句之间的时态一致问题一般分下列两种情况: 1. 若主句是祈使句,或主句中有情态动词,或主句中谓语动词是一般将来时,那么从句用一般现在时表示一般将来时。例如: Be careful when you cross the road. 过马路时要小心。Put up your hand if you have any questions to ask. 如果你们有问题要问的话,请举手。The traffic must stop when the lights are red. 红灯亮时,车辆必须停下。2. 若主从句谓语动词都是陈述过去,那么主从句都可以用一般过去时。例如: She could sing when she was four years old. 她四岁的时候就会唱歌。【语法过关】1.I was drawing a horse ____the teacher came in.&&&&& A. while&& &&&&B. as&& &&&&C. when&& &&&&D. the moment2.Some passengers were walking through one of the big halls at Paris' Charles De Gaulle Airport __&&& the whole roof(屋顶)fell down.&& A. while&&&&&&&&&&& &B. as soon as&&&C. when&&&&&&&&&&&&& &D. after3.You will stay healthy _______ you do more exercise, such as running and walking. A. if& &&&&B. how& &&&&C. before& &&&D. where4.---Shall we go on working?---Yes, _________ I prefer to have a rest.& A. when& &&&&B. if& &&&&C. because& &&&D. though5.None of us knew what had happened _________& they told us about it.& &A. when& &&&&B. until& &&&&C. after& &&&&D. though6.---I hope you’ll enjoy your trip, dear!---Thank you, mum. I’ll give you a call _________ I get there.& A. until& &&&&B. as soon as& &&&C. since& &&&&D. till7.The camera is&&&&&&&&& expensive&&&&&&&& I can’t afford it.& A. so, that&&&&& &&&B. such, that&&&&&& &&C. so, as to&&&&&& &&D. enough, that8.I never seem to lose any weight,&&&&& hard I try.&& A.&even though& &&B. no matter how& &&&C. as if& D. ever since9.―Shall we go on working?&―Yes ,&&&&&&& I prefer to have a rest . A.when &&&&B.if&&&&&C.because &&&D.though10.Edison never gave up,&&&&&&&& he failed many times. A.and&&&&&&&&&&&&&&& B.though&&&&&&&&&&&&&& C.or11.The policeman asked the child&&&&&&&& cross the street&&&&&&&& the traffic lights turned green. A. when&&&B.don’t; before&&&C. until12.---It’s time to go to bed ,Li Ming.&---Mum, I have a lot of homework to do ,I won’t go to bed&&&&& I finish it &A .after& &&&&B.until&& &&&&C.as soon as&& &&&D .since13.You should make a good plan ______ you do anything important.& A. before&&&&&&&&& &&&B. after&&&&&&&&&&& &&&C. though&&&&&&& &&&D. until 14.________ they are brothers, they don’t look like each other at all.   A. Because   &&B. Though    &&C. When     &&D. As15。I enjoy learning English, ____ it takes me a lot of time.& A.as if       &B.though      &C.because     &&D.for【参考答案】透析中考英语语法定语从句考点1。答案C 解析:when为并列连词“这时”(=and then),句意为:我们正当我在画马的时候,这是老师进来了。while表示“正当……时”,用于同时进行的动作。2.答案C 解析:依据题结构,be doing sth…when…表示“正在……这时……”的意思。故选C。3.答案A 解析: 从意思上看,从句应是一个条件状语从句,在这四个选项中只有if能引导条件状语从句,所以选A。4.答案D 解析: 从意思上看,只有选though才能说得通。5.答案B 解析: 本句的意思是“在……以前我们没人知道这件事。”要表达着一意思应用“not…until” 这一句型。6.答案B 解析: 本题的意思是“一到那里,我就给你打电话。”要表达这个意思应选用as soon as。7.答案A 解析:依据题意:这照相机太贵以致我买不起。expensive为形容词,so…that…句中要用形容词或副词;such…that…要用形容词修饰名词。其他两项不能引起从句。故选A。8.答案]B 解析:依据题意:无论我如何努力,好像也没有减肥。9.答案 D 解析:依据上句:我们继续工作吗?是的,尽管我想休息会。10.答案 B 解析:依据题意:即使爱迪生失败多次,他也决不放弃。though用来引导让步状语从句。故选B。11.答案C 解析:until用在否定句中,主要动词一般是终止性的,表示这个动词的动作直到till(until)所表示的时间才发生。故选C。12.答案 B 解析:until用在否定句中,主要动词一般是终止性的,表示这个动词的动作直到till(until)所表示的时间才发生。故选C。13.答案 A 解析:依据题意:在你做重要的事情之前,应该做好计划。表示“在……之前”的意思,故应选用A。14。答案B 解析:依据题意:尽管他们是兄弟,但他们彼此一点都不像。引导让步状语从句,应选B。15。答案B解析:依据题意:尽管他花费了我很多时间,但我还是喜欢学英语。应选B。
&文章来源莲山 课件 w ww.5 YK J.COM
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