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1、关于中考英语状语从句复习第一页,讲稿共三十页哦状语从句状语从句复习要点1.时间状语从句时间状语从句2. 条件状语从句条件状语从句3. 比较状语从句比较状语从句4. 结果状语从句结果状语从句5. 原因状语从句原因状语从句6. 目的状语从句目的状语从句7. 让步状语从句让步状语从句8.方式状语从句方式状语从句9. 地点状语从句地点状语从句第二页,讲稿共三十页哦 The Adverbial Clause 状语从句状语从句 状语从句是副词性从句,其句法功能是修饰谓语或整个句子等,在句中作状语,通常由从属连词引导。 状语从句不仅是初中英语学习的重点,而且也是每年中考必考的内容之一。命题主要集中在引导状语
2、从句的连词、状语从句的时态等方面;从九大状语从句来看,应将复习重点放在时间状语从句、条件状语从句、结果状语从句和比较状语从句这四种上。第三页,讲稿共三十页哦1.时间状语从句时间状语从句 引导时间状语从句的连词有:引导时间状语从句的连词有:while, when, as, as soon as, till, until, notuntil, before, after, since, etc1)when,while,as三者均可表示三者均可表示“当当的时候的时候”,如果主句表示的是短暂的动作,如果主句表示的是短暂的动作,而从句表示的是一段时间,三者可通用。,而从句表示的是一段时间,三者可通用。如
3、:如: I met Kang Li as when while I was walking along the streetas 和和when都可与终止性动词连用,都可与终止性动词连用, while只能与延续性动词连用。只能与延续性动词连用。如:如: It was snowing when we got to the airport(不能用(不能用 while) as强调主句与从句表示的动作同时发生;强调主句与从句表示的动作同时发生;while强调主句表示的动作持强调主句表示的动作持续于续于while所指的整个时间内;所指的整个时间内;when可指主、从句所述动作同时可指主、从句所述动作同时或
4、先后发生。或先后发生。如:如: He sang as he went alongPlease write while I readWhen he reached home, he had a little rest难点链接难点链接第四页,讲稿共三十页哦2) before, after before表示主句发生的动作发生在从句动作之前,意为表示主句发生的动作发生在从句动作之前,意为“在在之之 前前”。 after表示主句发生表示主句发生的动作发生在从句动作之后,意为的动作发生在从句动作之后,意为 “在在 之后之后”。如:如:They had already had breakfast befor
5、e they went to school They talked about the party after the people left.3) until, tilluntil和和till在肯定句中表示在肯定句中表示“直到直到为止为止”,主句要用延续性动词;在否定句中,表示,主句要用延续性动词;在否定句中,表示“直到直到才才”,主句常用终止性动词,这时,主句常用终止性动词,这时till和和until可用可用before替换。替换。如:如: I waited till until he arrived I will wait until he comes.We wont start unt
6、il till before Bob comes4) as soon as 表示主句发生的动作发生在从句动作之后,表示主句发生的动作发生在从句动作之后, 意为意为“一一就就”。如果主句是一般将来。如果主句是一般将来时,情态动词加动词原形或祈使句时,时间状语从句用一般现在时。时,情态动词加动词原形或祈使句时,时间状语从句用一般现在时。如:如:My brother went out as soon as I got home. Ill phone you as soon as I arrive in Tonghua5)since: 表示表示 “自从自从以来以来”,从句中常用过去时,主句用一般现在时
7、或现在完成时从句中常用过去时,主句用一般现在时或现在完成时.(对(对since 引导引导的时间状语提问要用的时间状语提问要用how long).如:如: Where have you been since I saw you last?难点链接难点链接第五页,讲稿共三十页哦时间状语从句中较难掌握的几点:时间状语从句中较难掌握的几点:until (till) 直到,在用直到,在用 until 表达时间状语的句子中,主句中的动词是要十分小表达时间状语的句子中,主句中的动词是要十分小心去选择。心去选择。如动词是持续性动词,它要用肯定句,如动词是持续性动词,它要用肯定句,如:如: I studied
8、hard until 12 oclock last night. 如果动词是瞬间截止性动词,则要用否定句,如果动词是瞬间截止性动词,则要用否定句,如:如: He didnt go to bed until his mother came back由由since, for, by, before 来引导的时间状语从句。来引导的时间状语从句。 since 引导的时间状语是动作的引导的时间状语是动作的开始时间,开始时间,如:如: I have studied English since 1990. 而由而由 by 引导的时间状语通常是动作的引导的时间状语通常是动作的结束时间,结束时间,如:如: I
9、had learned 25 English songs by the end of last term.而而before 则多用于完成时,则多用于完成时, ago 则多用于一般过去时,则多用于一般过去时,如:如: He had finished his work before twelve yesterday I left my hometown two years ago 在状语从句中用一般现在时或一般过去时表示将来。在状语从句中用一般现在时或一般过去时表示将来。它们可能是主句用一般将来时它们可能是主句用一般将来时,从句用一般现在时,从句用一般现在时,如:如: If it rains, t
10、hey wont go to the parkon Sunday 也可也可以主句是一般过去时,从句用过去将来时,以主句是一般过去时,从句用过去将来时,如:如: He said if it rained the next day he would not go to the park 考试中常见的考点有:要学生区别是条件、时间状语从考试中常见的考点有:要学生区别是条件、时间状语从句还是宾语从句,因在宾语从句中该用什么时态用什么时态,句还是宾语从句,因在宾语从句中该用什么时态用什么时态,如:如: I want to know if he will come here tomorrow 在宾语从句中
11、的条件状语从句与主句的关系,在宾语从句中的条件状语从句与主句的关系,如:如: I want to know if it rains he will come here tomorrow难点链接难点链接第六页,讲稿共三十页哦 注意注意: 在时间状语从句中,主句和从句之间的时态应按下列规律确定。在时间状语从句中,主句和从句之间的时态应按下列规律确定。1)主句一般将来时,从句用一般现在时(特别是用主句一般将来时,从句用一般现在时(特别是用 as soon as 引导从句时)引导从句时):The boy will be a writer when he grows up. Ill ring you u
12、p as soon as I get to New York.2) 主句含有情态动词,从句用一般现在时:主句含有情态动词,从句用一般现在时:When the lights are red, the traffic must stop.3) 主句为祈使句时,从句用一般现在时:主句为祈使句时,从句用一般现在时:Please dont go to bed before you finish your homework.4) 主句为一般过去时,从句也用过去时态:主句为一般过去时,从句也用过去时态:I liked reading when I was young.5)在带有在带有till或或until引
13、导的时间状语从句的主从复合句里,如果主句用肯定式,其含义是引导的时间状语从句的主从复合句里,如果主句用肯定式,其含义是“一直到一直到时时”,谓语动词只能用延续性动词。如果主句用否定式,其含义是,谓语动词只能用延续性动词。如果主句用否定式,其含义是“直到直到才才”, “在在以前不以前不”, 谓语动词可用瞬间动词。谓语动词可用瞬间动词。例如:例如:The young man read till the light went out. Lets wait until the rain stops.We wont start until Bob comes. Dont get off until th
14、e bus stops.难点链接难点链接第七页,讲稿共三十页哦2. 条件状语从句条件状语从句1)引导条件状语从句的连词有引导条件状语从句的连词有if(如果)、如果)、unless(除非)等,条件状语从句也像时间状语除非)等,条件状语从句也像时间状语从句一样,如果主句用将来时,从句要用现在时代替将来时。从句一样,如果主句用将来时,从句要用现在时代替将来时。如:如:What shall we do if it snows tomorrow?Dont leave the building unless I tell you to.2) unless在意义上相当于在意义上相当于ifnot。You wi
15、ll fail unless you study hardYou will fail if you dont study hard3) “祈使句祈使句 + and (or)+ 陈述句陈述句” 在意思上相当于一个带有条件状语从句的复合句。在意思上相当于一个带有条件状语从句的复合句。其中,其中,and表示句意顺承;表示句意顺承;or表示转折,意为表示转折,意为“否则否则”。例如:例如:Hurry up, or youll be late.=If you dont hurry up, youll be late.Study hard and you will pass the exam.=If yo
16、u study hard, you will pass the exam. 4)用介词)用介词with, without可以把条件状语从句改写成简单句:可以把条件状语从句改写成简单句:If there is no water, the fish may die. = Fish may die without water.If you help me, Ill finish my task on time. = With your help, Ill finish my task on time.难点链接难点链接第八页,讲稿共三十页哦3. 比较状语从句比较状语从句比较状语从句通常由比较状语从句通
17、常由asas, 比较级比较级 + than等连词引导,比较连词前后的结构要一致。等连词引导,比较连词前后的结构要一致。例如:例如:Tom runs faster than John does.This classroom is as big as that one. 1)表示甲与乙在某一方面相同时,用)表示甲与乙在某一方面相同时,用“as原级原级as”句型;表示甲在某一方面不句型;表示甲在某一方面不如乙时,用如乙时,用“not as so 原级原级as”句型。句型。如:如: Dalian is as beautiful as ShenzhenI dont run as so fast as K
18、ang Li2)表示甲超过或不及乙时,用)表示甲超过或不及乙时,用“比较级从句比较级从句”(从句中常省略意义与主句相同的(从句中常省略意义与主句相同的部分)。部分)。 He runs faster than you(do)Today is less cold than yesterday3)要注意的是表示要注意的是表示越来越越来越这一概念时有两个句型:这一概念时有两个句型:比较级比较级and比较级,比较级,如:如: The days are getting longer and longer The little girl is becoming more and more beautiful
19、 定冠词定冠词 the 比较级比较级 the 比较级,比较级,如:如: The harder you study, the more you can learn难点链接难点链接第九页,讲稿共三十页哦 4. 结果状语从句结果状语从句(1)结果状语从句由结果状语从句由sothat, suchthat, so that引导。引导。常用句型有:常用句型有: so形容词副词形容词副词that从句从句 such a an 形容词单数可数名词形容词单数可数名词 that从句从句 such形容词复数可数名词不可数名词形容词复数可数名词不可数名词that从句从句 so形容词形容词a an单数可数名词单数可数名词
20、that从句从句 例如:例如:He spoke so fast that I couldnt follow himHe told us such funny stories that we all laughed He is so poor that he cant buy a bike for his son.She is such a good teacher that everybody likes her.My pencil fell under the desk, so that I couldnt see it. (2)如果名词前由如果名词前由many, much, little,
21、 few等词修饰时,只能用等词修饰时,只能用so, 不用不用such。例如:例如:Soon there were so many deer that they ate up all the wild roses.He has so little time that he cant go to the cinema with you.难点链接难点链接第十页,讲稿共三十页哦 (3)sothat和和such.that在由在由so.that引导的结果状语从句中,引导的结果状语从句中,so是副词,与形容词连用。其结构是是副词,与形容词连用。其结构是: “.so + + 形容词(副词)形容词(副词)+ +
22、 that + 从句从句”。例如:例如:He was so glad that he couldnt say a word.The hall is so big that it can hold 2,000 people.Mother lives so far away that we hardly ever see her.在由在由suchthat引导的结果状语从句中,引导的结果状语从句中,such是形容词,它修饰的可以是单数或是形容词,它修饰的可以是单数或复数可数名词,也可以是不可数名词;名词前面可以带形容词,也可不带。如果复数可数名词,也可以是不可数名词;名词前面可以带形容词,也可不带。
23、如果是单数可数名词,前面需加不定冠词是单数可数名词,前面需加不定冠词a或或an。例如:例如:It was such a hot day that nobody wanted to do anything.He had such long arms that he could almost touch the ceiling.He made such rapid progress that he did very well in the mid-term.有时上述两种结构是可以互换的。有时上述两种结构是可以互换的。例如:例如:It was such a wonderful film that a
24、ll of us wanted to see it again.=The film was so wonderful that all of us wanted to see it again.It is such an important match that nobody wants to miss it.=The match is so important that nobody wants to miss it.难点链接难点链接第十一页,讲稿共三十页哦 5. 原因状语从句原因状语从句(1)原因状语从句通常由原因状语从句通常由because, since, as引导。引导。because
25、常回答常回答why引导的疑问句,该从引导的疑问句,该从句一般位于主句后;句一般位于主句后;since比比as正式,两者不回答正式,两者不回答why引导的问句,而且其从句一般放引导的问句,而且其从句一般放在句首。在句首。如:如:He didnt come to school because he was ill.As it is raining, we shall not go the zoo.Since you cant answer the question, Ill ask someone else.(2)because表示直接原因,语气最强。表示直接原因,语气最强。because引导的原
26、因状语从句多放在主句之后。回答由引导的原因状语从句多放在主句之后。回答由why提出的问题,只能用提出的问题,只能用because。as和和since语气较弱,一般用来表示明显的原因。由语气较弱,一般用来表示明显的原因。由as和和since引导的原因状语从居多放在句首。引导的原因状语从居多放在句首。例如:例如:-Why arent going there?-Because I dont want to.As he has no car, he cant get there easily.Since we have no money, we cant buy it.(3)because和和so不能
27、同用在一个句子里。不能同用在一个句子里。(4)for是并列连词,引导的句子不置于句首,是一种非直接的、随便附加说明的是并列连词,引导的句子不置于句首,是一种非直接的、随便附加说明的理由或推断。理由或推断。The oil must be out, for the light went out.(5)because和和becouse of 也有明显的区别。也有明显的区别。because后面要跟从句,而后面要跟从句,而because of 后面要跟后面要跟名词短语。名词短语。He is late for school because it rains heavily. He is late for
28、school because of the heavy rain.难点链接难点链接第十二页,讲稿共三十页哦 6. 目的状语从句目的状语从句(1)目的状语从句通常由目的状语从句通常由 so that, in order that引导。引导。例如:例如:We started early so that we could catch the first train.He studies hard so that he could work better in the future.We used the computer in order that we might save time.(2)so
29、that既可引导目的状语从句,又可引导结果状语从句。区别这既可引导目的状语从句,又可引导结果状语从句。区别这两种从句的办法有两个:两种从句的办法有两个:1)目的状语从句里往往带有情态动词目的状语从句里往往带有情态动词can, could, may, might等。等。2)从意思上看,目的状语从句往往表示的目的很明从意思上看,目的状语从句往往表示的目的很明确。确。例如:例如:Speak clearly so that they may understand you. (目的状语从句)目的状语从句)Jack is badly ill so that he has to rest. (结果状语从句结
30、果状语从句)难点链接难点链接第十三页,讲稿共三十页哦(3)结果和目的状语从句还要注意以几点:结果和目的状语从句还要注意以几点:so that用在单数可数名词前,用在单数可数名词前,so 形容词形容词 a 名词名词 that,如:如: She is so beautiful a girl that everyone likes her 或用或用 such a 形容词形容词 名词名词 that, 如:如: She is such a beautiful girl that everyone likes her 在不可数名词或可数名词复数前只能用在不可数名词或可数名词复数前只能用 such, 如:如
31、: It is such good weather we want to go for a picnic 又如:又如: They are such good players that they should win the game.在在much, many, few, little 之前只能用之前只能用so, 如:如: I have so little money that I cant buy it so that 之间只有形容词时,则不能用之间只有形容词时,则不能用 such, 如:如: It is so good that I want to buy so that 其后接从句,其后接
32、从句,如:如: I got up earlier so that I could catch the first bus难点链接难点链接第十四页,讲稿共三十页哦 7. 让步状语从句让步状语从句(1)让步状语从句通常由让步状语从句通常由though although(虽然),虽然),even though(尽管),尽管),even if(即使),即使),whoever(无论谁),无论谁),(无论怎样),无论怎样),whatever(无论什么)无论什么)等连词引导。等连词引导。例如:例如:Though he is young, he knows a lot.Although I am tired,
33、 I must go on working. Even if he is poor, she loves her husband. (2)because不能与并列连词不能与并列连词so,though although不能与不能与but同时在同时在句中使用。句中使用。如:如: She was late for school because she missed the bus =She missed the bus,so she was late for school 我们不能说:我们不能说:Though it was raining hard, but he still went out.应该
34、说:应该说:Though it was raining hard, he still went out.或或It was raining hard, but he still went out. 难点链接难点链接第十五页,讲稿共三十页哦 8.方式状语从句方式状语从句引导方式状语从句的有引导方式状语从句的有as(按照)等。(按照)等。如:如: I will do it as you tell me我将照你说的做。我将照你说的做。方式状语中要注意的是方式状语中要注意的是as (连词连词)与与 like (介词介词)的区别。的区别。 as 作为连词其后作为连词其后接从句,接从句,如:如: Pleas
35、e do it as I did it 但后面的句子常作省略,但后面的句子常作省略,如:如: Please do it as I 而而 like 是介词,其后要接的是宾语,是介词,其后要接的是宾语,如:如: Please do it like me9. 地点状语从句地点状语从句 地点状语从句常常由地点状语从句常常由where来引导。来引导。例如:例如: Go where you like. Where there is a will, there is a way.难点链接难点链接第十六页,讲稿共三十页哦 1. 误误 While the clock struck ten, all the li
36、ghts went out. 正正 When the clock struck ten, all the lights went out. 析析 while是强调两个动作在同时进行中,如:是强调两个动作在同时进行中,如:While I am doing my homework, my father is reading a newspaper. 而这里的而这里的when是是正当某某时刻正当某某时刻,就在这一时间点上就在这一时间点上,其,其重点强调在某一特定时刻某动作的发生。重点强调在某一特定时刻某动作的发生。 2.误误 While I was walking along the street
37、yesterday, I met an old friend. 正正 When I was walking along the street yesterday, I met an old friend. 析析 这里用这里用when表达在一个动作的进行中,另一个动作突然发生了。正在进行的动作用一表达在一个动作的进行中,另一个动作突然发生了。正在进行的动作用一进行时态,而突然发生的动作用一般时态。进行时态,而突然发生的动作用一般时态。 3.误误 While I heard the bad news I felt sad. 正正 When I heard the bad news, I felt
38、sad. 析析 while不能表达一点儿的时间,即瞬时某一时间点。不能表达一点儿的时间,即瞬时某一时间点。 4.误误 For there is no light in the classroom. The students must have gone home. 正正 The students must have gone home, for there is no light in the classroom. 析析 由由for引出的原因状语从句在使用时要注意不能将该从句置于句引出的原因状语从句在使用时要注意不能将该从句置于句 首,而应置于主句之后首,而应置于主句之后,并在主句与从句之间加
39、一逗号。更要注意的是,并在主句与从句之间加一逗号。更要注意的是because, as, since与与for 4个表示原因的连词个表示原因的连词中中because是因果关系,是最强的一个,而是因果关系,是最强的一个,而for是最弱的一个。有些语法书中干脆把是最弱的一个。有些语法书中干脆把for叫做并列叫做并列连词连词正误辨析正误辨析第十七页,讲稿共三十页哦5.误误 She sang when she walked along the dark street. 正正 She sang as she walked along the dark street. 析析 as用于句中时,其要点是强调两个
40、动作的同时进行。这里用用于句中时,其要点是强调两个动作的同时进行。这里用when虽然不能讲是语法上的错误,虽然不能讲是语法上的错误,但则看不出来小女孩因独自走黑暗的街道因害怕而唱歌的心情。但则看不出来小女孩因独自走黑暗的街道因害怕而唱歌的心情。 6.误误 I finished my homework until twelve oclock last night. 正正 I didnt finished my homework until twelve oclock last night. 正正 I did my homework until twelve oclock last night.
41、析析 until用在句中时其含义是某一动作一直持续到某时结束,那么句中的动词则一定要用持续用在句中时其含义是某一动作一直持续到某时结束,那么句中的动词则一定要用持续性动词,如果要用瞬间,或截止性动词时一定要用否定句式。因截止性动作的否定式应看作是持续性性动词,如果要用瞬间,或截止性动词时一定要用否定句式。因截止性动作的否定式应看作是持续性的动作。如离开的动作。如离开leave是瞬间动作,因一出门即为离开了,而不离开则是长时间的。是瞬间动作,因一出门即为离开了,而不离开则是长时间的。 7.误误 I have studied English when I was twelve. 正正 I have
42、 studied English since I was twelve. 析析 since引出的时间状语从句是表达了一个时间点,而这个时间点是主句动作的启始点,所以引出的时间状语从句是表达了一个时间点,而这个时间点是主句动作的启始点,所以主句一般要用完成时态。主句一般要用完成时态。 8.误误 Because he didnt study hard, so he didnt pass the exam. 正正 He didnt pass the exam because he didnt study hard. 析析 because 与与 so在英文中两者不能并用的,只能在句中用在英文中两者不能
43、并用的,只能在句中用9.误误 Before I do not give you the answer, Ill ask you some questions. 正正 Before I give you the answer, Ill ask you some questions. 析析 这种错误是由于受中文的影响。在中文中可以讲这种错误是由于受中文的影响。在中文中可以讲我没给你答案前我没给你答案前。而英文用了。而英文用了before就不要再用否定句了。就不要再用否定句了。正误辨析正误辨析第十八页,讲稿共三十页哦10.误误 He was such excited that he could no
44、t speak. 正正 He was so excited that he could not speak. 析析 so与与such的用法可以分为四种情况,用于单数可数名词之前,其格式是的用法可以分为四种情况,用于单数可数名词之前,其格式是such+不定冠词不定冠词+形形容词容词+单数可数名词,如:单数可数名词,如:It is such a beautiful book that every child likes it. 也可以用也可以用so, 其格式是其格式是so+形容词形容词+不定冠词不定冠词+单数可数名词,如:单数可数名词,如:It was so beautiful a book th
45、at every child likes it. 在不可在不可数名词前或可数名词复数前这时只能用数名词前或可数名词复数前这时只能用such, 如:如:It is such good weather that we want to swim. 又如:又如:They are such good students that they can pass the exam easily. 在在few, little, much, many 这这4个字前只能用个字前只能用so而不能用而不能用such, 如:如:I have so much money that I can buy everything I
46、 want. 当当that前只有形容词或副词时,这时只能用前只有形容词或副词时,这时只能用so, 如:如:She is so beautiful that every one likes her. He ran so fast that I couldnt keep up with him. 11.误误 He got up earlier this morning so as to that he could catch the first bus. 正正 He got up earlier this morning in order to to catch the first bus. 正正
47、 He got up so earlier that he could catch the first bus. 析析 sothat与与so that的用法有相同之处,那就是其后接从句,而的用法有相同之处,那就是其后接从句,而in order to 其后要接不定式其后要接不定式,即动词原形。,即动词原形。12.误误 I want to buy same stamp that you have. 正正 I want to buy the same stamp as you have. 析析 the sameas (that)这是个固定用法,在这是个固定用法,在same前的定冠词是不能少的。而前的
48、定冠词是不能少的。而the samethat意为意为我要的就是那一个我要的就是那一个。而。而the sameas为为要的是和要的是和一样的东西一样的东西。正误辨析正误辨析第十九页,讲稿共三十页哦根据根据A句完成句完成B句,使两句意思一致,每空只填一词:句,使两句意思一致,每空只填一词:1. A: Jane is a singer. She is also a dancer.B: Jane is _ _ a singer _ _ a dancer.2. A: We should learn from books and we should learn from teachers.B: We sh
49、ould learn _ from books _ from teachers.3. A: His mother cant help him with his lessons, and his father cant, either.B: _ his mother _ his father can help him with his lessons.4. A: Its hard work, but I enjoy it.B: _ its hard work, I enjoy it.5. A: Men cant live without air and water.B: Men will die
50、 without air _ water.课时训练课时训练not only but alsoboth andNeither norThough/althoughor第二十页,讲稿共三十页哦6. A: If you stand higher, you will see farther.B: Stand higher, _ you will see farther.7. A: If you dont work harder, you will fail in the exam.B: Work harder, _ you wont pass the exam.8. A: How important