状语从句 (2)

1 状 语 从 句 状语从句在复合句中作状语 修饰动词 形容词或副词等 状语从句可以表示时间 条件 原因 地点 目的 结果 让步 方式 比较等意义 一 时间状语从句一 时间状语从句 1 引导词 when while 当 时候 as soon as 一 就 since 自 以来 until till 直到 after 在 之后 before 在 之前 2 主将从现 结构 3 until 的用法 a 当主句是肯定句时 until till 表示 直到 主句动作常为延续性动作 而从句常 为短暂性动作 例 He will stay here until his parents come back 他一直待到他的父亲回来 b 当主句是否定句时 构成句式 not until 意为 直到 才 主句动作常 为短暂性动作 例 He will not go to bed until his parents come back 直到父母回来 他才回去睡觉 4 when 和 while 的区别 when 既可以指 时间点 与瞬间动词连用 如 When he came in his mother was cooking while 从句的谓语动词要用延续性动词 如 Please don t talk so loud while others are working 例 1 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 例 2 None of us knew what had happened they told us about it A when B until C after D though 例 3 I m sure He will jump when he the good news A learn about B will learn about C learns about 例 4 The children a P E class on the playground when it suddenly began to rain A have B are having C were having 练 习 1 I was watching the show on TV the telephone rang A when B while C as soon as 2 Jim was reading his sister was writing A when B while C before 3 Peter likes reading a newspaper he is having breakfast A while B until C because 4 You should finish your lessons you go out to play A before B after C when 5 Lucy knew nothing about it her sister told her A because B until C if 二 二 条件状语从句条件状语从句 1 引导词 if 如果 as long as 只要 unless 除非 如果不 2 主将从现 结构 3 if 的用法 if 引导条件状语从句 表 如果 主句若是一般将来时 从句中用一般现在时表示将 来 引导的是条件状语从句 意为 是否 例 1 If I back tomorrow I will tell you if we a trip together next weekend A come will come B come have C will come will have 2 例 2 You will stay healthy you do more exercise such as running and walking A if B how C before 例 3 If I find his phone number I you A tell B told C will tell 例 4 May I go to the concert with you I m afraid not you have a ticket because I have only one A since B if C unless 练 习 1 Jason wants to know if a school sports meeting tomorrow Yes we will But if it we ll have classes instead A will you have rains B you will have rains C you will have will rain 2 Do you know if he to play basket ball with us I think he will come if he free tomorrow A comes is B comes will be C will come is 三 原因状语从句三 原因状语从句 1 引导词 as 由于 because 因为 since 既然 2 because since as 的区别 because 表示直接原因 语气最强 Because 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 because As 和 since 语气较弱 一般用来表示明显的原因 由 as 和 since 引导的原因状语从居多放在句首 例 1 Why aren t going there I don t want to 例 2 he has no car he can t get there easily 例 3 we have no money we can t buy it 3 because 不能与 so 连用 四 目的状语从句四 目的状语从句 1 引导词 so that 以便 为了 in order that 为了 2 从句与主句的主语一致时 可以换用 so that to 后跟动词原形 in order to 后跟动词原 形 例 He got up early so that in order that he could catch the bus 他早起是为了赶上公交车 He got up early so that to in order to catch the bus 五 结果状语从句五 结果状语从句 1 引导词 so 所以 such that so that 如此 以致于 2 区别 such 是形容词 修饰名词 so 是副词 修饰形容词或副词 He is such a lovely boy that we all like him He is so lovely a boy that we all like him The story is so interesting that I ll never forget it It is such an interesting story that I ll never forget it 六 让步状语从句六 让步状语从句 1 引导词 though although 尽管 虽然 even if though 即使 whatever no matter what whenever no matter when wherever no matter where however no matter how 2 although though 不能与 but 连用 例 1 he is old he works hard A although but B although C Because so 3 例 2 well you drive you must drive carefully A No matter where B In order that C No matter how 巩巩 固固 练练 习习 1 Alan ran fast I couldn t follow him A too to B so that C as to 2 Why didn t you go surfing last Sunday I had a bad headache A Because B Since C For 3 It s time to go to bed Wang 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 4 We didn t catch the train we got up late A so B because C until 5 The poor man ate a big breakfast he said he wasn t hungry A since B because C though 6 they are brothers they don t look like each other at all A Because B Although C When 7 Mr Brown has worked in our school he came here in 1990 A when B whether C since 8 When will you tell him the good news I will tell him A as soon as he comes back B as soon as he came back C as soon as he will come back 9 You will be late you leave immediately A unless B until C if 10 This dress is in last year s style I think it still looks perfect it has gone out this year A so that B even though C as if 11 John fell asleep he was listening to the music A after B before C while 12 The book was so interesting that he had read it for three hours he realized it A unless B if C before 13 I am waiting for my friend I will go swimming alone A If he doesn t come B If he won t come C If he will come 14 The meeting didn t start everyone was there A because B until C why 15 The boy to bed his mother came in A went not until B didn t go after C didn t go until 16 Tom will call me as soon as he Shanghai A arrives B will reach C arrives in 17 I m sure he ll come to see me before he Beijing A will leave B is leaving C leaves 18 I will tell him the news as soon as he back A come B comes C will come 19 When he got to the station the train A left B had left C has left 20 The boy told his father what he in the street A saw B have seen C had seen 21 We TV when the telephone A watched was ringing B were watching rang C are watching rang 4 22 By the end of last term I ten books A had finished reading B have finish reading C had finish to read 23 I him since I began to live in the city A know B have known C will know 24 Betty didn t go to see the film yesterday she was ill A because B but C until 25 May I sit nearer I can see more clearly A as if B so that C even if 26 you work hard you will certainly succeed A Though B If C Because 27 he came to study in the university he has made much progress in the study of English A While B After C Since 28 I d like to go swimming the water is not too cold A for B unless C if 29 You are sure to pass the exam you study hard A if B though C that 30 Although it was raining still worked in the fields A but they B and they C they 31 there were only five soldiers left at the front they went on fighting A Because so B Though but C Though 32 Lift it up I may see it A though B so that C as 33 We should go by bus we can get there earlier A as soon as B where C in order that 34 he s old he can still carry this heavy bag A Though B Since C For 35 Do you know if he to play basket ball with us I think he will come if he free tomorrow A comes is B comes will be C will come is 36 I was late for class yesterday there was something wrong with my bike A when B that C because 37 You should finish your lessons you go out to play A before B after C when 38 I hurried I wouldn t be late for class A since B so that C as if 39 He took off his coat he felt hot A because B as C if 40 It is that we d like to go out for a walk A a lovely day B such lovely a day C so lovely a day 41 I felt very tired I tried to finish the work A Although B Because C As 42 My brother is going to look for another job the company offers him more money A after B when C unless 43 Please remember to say goodbye to Mr Smith when you to