状语从句56033

1、“连词+分词”结构作状语：按英语习惯，一些表示时间、地点、条件、方式、让步等的状语从句，若从句的主语与主句德主语一致，且从句谓语包含动词be,那么可将从句的主语和动词be省略。连词有：when, while, if though, after, before, as, unless但分词的主语与主句的主语必须为同一个，如：1. While (he was) waiting there, he saw two pretty girls come out of the building.2. Jane is a shy girl and she never speaks until _.(she

2、was spoken to)Aasking Bspoken to Cspeaking to Dtold3. Iwontgounless(Iam)invited. 4. Youmuststudyhardwhile(youare)young,oryouwillregretwhen(youare)old. 你年轻时要努力学习，不然到老了你会后悔的。5. Lookoutforcarswhen (youare)crossingthestreet. 过马路时要注意汽车。6. While(Iwas)waiting,Iwasreadingsomeoldmagazine等的时候我在看一些旧杂志。7. Hewil

3、lworkhardwherever(heis)sentbytheparty. 无论党把他派往哪里,他都会努力工作。8. If (the experiment is)carefully_,theexperimentwillbesuccessful A. do B. does C. done D. doing一、have/get+宾语+done，done是过去分词作宾语补足语。1.He will have/get the computer repaired tomorrow.他明天让人给他修电脑。2.He had/get his computer stolen the other day.前几天他

4、的电脑被偷了。3. Jenny hopes that Mr Smith will suggest a good way to have her written English improved in a short period.4. He had his leg broken.二、get+宾语+to do sth=have +宾语+do sth意思是“让某人去干某事”。1. Mother has me go to the shop to buy some fruit. 2. Ill get someone to finish this work for you3. Excuse me sir

5、, where is Room 301? Just a minute. Ill have Bob show you to the room.三、have +宾语+ doing sth意思是“让某人或某物持续做某事”。1. Its cold today, we should have the fire burning all the time. 2. They had their lights burning all night long.3. He had us working day after day.状语从句状语说明事物发生的时间,地点,原因,目的,结果方式,条件或伴随情况,程度等情况的

6、词叫状语。状语可以由副词, 短语以及从句来担任。 副词作状语 He hardly plays golf. They are playing happily. 介词短语作状语 He got up at six. All the boys are in the room. 不定式(短语)作状语 I went there to see my grandfather. 分词(短语)作状语 Being a poor teacher, he cant afford a car. 词组作状语 I shall stay another three months. 从句作状语 By the time I got

7、 there, the bus had already left状语从句指的是在主从句中作状语的从句，修饰主句中的动词、形容词或副词等。状语从句放在主句之前时，常用逗号分开；若放在主句之后，一般不用逗号。按其意义和作用划分，常见的有以下几种： 时间状语从句 通常由从属连词when, whenever, as, while, before, after, till, until, as soon as, hardlywhen, no soonerthan, since, once等引导。在使用时，从句一般不用一般将来时态。若主句为一般将来时态或是含有将来的意味时，时间状语从句常用一般现在时态来代

8、替将来，即“主将从现”。例子：I will go to the cinema as soon as I finish my homework. 我一完成 作业就去电影院。 When I grow up, I will join the army. 当我毕业了，我就要去参军。1. when, while, as 例子：When Mother was cooking dinner, I was watching TV.(持续) I was doing my homework when the telephone rang.(短暂) He took a bath while I was playin

9、g games.(持续) He sang songs as he was taking a bath.(他一边唱歌一边洗澡) 2. hardlywhen, no soonerthan= as soon as 例子：We had hardly begun when we were told to stop. I had no sooner reached home than it began to rain. 3. as soon as, until 例子：We will not begin until everyone arrives. I will let you know as soon

10、as he gets to Beijng. 4. once, since 例子：I have taught English since I came here. 地点状语从句通常由连词where和wherever引导,从句可位于主语前,也可以位于主语后。例子： I found the book where I left them. Wherever you go, I will go with you. 地点状语从句 地点状语从句通常由where, wherever引导。例子：Where I live there are plenty of trees. Wherever I am I wil

11、l be thinking of you.Where there is a will, there is a way. Wherever theres plenty of rain and sunshine, the fields are green. Where引导地点状语从句和定语从句的区别：例子：Go back where you come from.(状语从句) Go back to the villager where you came from. (定语从句) 原因状语从句 通常由because, since, as引导,其中because语气最强,since稍弱,as最弱。例子：

12、He took off his hat because he felt hot. Because it was wet, I didnt go out for a walk. 在强调句中,引导从句只能用because,不能用since或as 。例子：It was because he was ill that he didnt go with us. Since和as引导的原因状语从句,其原因或理由在说话人看来已经明显,或以为听话人熟悉,不须强调,as表示的语气最弱,常用于日常谈话。例子：As/Since he was not at home, I spoke to his brother.

13、Since he cant answer the question, youd better ask someone else. 目的状语从句 通常由so that, in order that, so等词引导,从句中通常含有may/might, can/could, will, should等情态动词,通常主句在前,从句在后,主句和从句之间没有逗号。例子：The teacher must speak clearly so that his students can understand well. She has bought the book in order that she can f

14、ollow the TV lessons. 结果状语从句 通常由so that, sothat, suchthat引导。例子：He had overslept, so that he was late for work. The rain was so heavy that we had to stay at home the whole day. She is such a clever girl that she always comes top in exams.= She is so clever a girl that she always comes top in exams. 区

15、别由so that引导的目的状语从句和结果状语从句。例子：She hurried, so that she she caught the bus.(结果) She got up early so that she could catch the first bus. ( 目的) 条件状语从句 通常由if, unless, as long as(只要), in case(结果, 万一), on condition that(如果,在条件下)等连词引导。同样适用于“主将从现”。例子：We will stay at home if it rains tomorrow 如果明天下雨了，我们就. 会呆在

16、家。 He wont come here unless he is invited. 除非被邀请，否则他不会到这儿来的。 As long as you give me money, I will go with you. 我就跟你走。We will have a picnic in the park if it is fine this Sunday. I wont go with you unless you tell me the truth. if only常表示愿望或一未实现的条件,尤用于感叹句,表 示但愿,要是就好了 。例子：If only he arrives in time.他要

17、是及时赶到就好了 方式状语从句 通常由as, as if, as though引导。例子： You must do the exercises as I show you. It looks as if its going to rain.as if, as though引导的状语从句,多描述非现实情况,应用虚拟语气.例子：He walked as if/though he had hurt his leg. 比较状语从句 通常由asas, not as(so)as, than引导。例子： His book is as new as mine. He is not as (so) tall a

18、s his brother is. 让步状语从句 通常由though, although, even if, even though, as, whether, whoever, whatever, whichever, whenever, wherever, however, no matter who(what, which, when, where, how)等引导。 引导让步状语从句的although, though同义,用法基本相同,前者较正式,置于句首;后者较通俗,口语化。注意，在使用时，though 或 although 不能和 but 不能用在同一个句子中，两者只能用其一。 例子： She went there though/although it was raining. Although its hard, Ill