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条件状语从句:表示条件或要求性质的状语从句例句:1)I can lend you the bike on condition that you return it on time我可以把自行车借给你,但条件是你必须限期归还(on condition that you return it on time是条件状语从句)2)You'll fail if you don't work hard如果你不努力就会失败(if you don't work hard是条件状语从句)引导词有:if,unless,so(as)long as,on condition that(只要)等 连接词主要有 if, unless, as/so long as, on condition that 等。.if 引导的条件句有真实条件句和非真实条件句两种。非真实条件句已在虚拟语气中阐述。 unless = if not.Let's go out for a walk unless you are too tired.If you are not too tied, let's go out for a walk. 典型例题You will be late ___ you leave immediately.A. unless B. until C. if D. or答案A。 句意:除非你立即走,否则你就回迟到的。可转化为 If you dong leave immediately, you will be late. B、D句意不对,or表转折,句子如为 You leave immediately or you will be late. 引导条件状语从句最常用的连词是if,由if引导的条件状语从句表示在某种条件下某事很可能发生。如: If you ask him, he will help you.如果你请他帮忙,他会帮你的。 If you fail in the exam, you will let him down.如果你考试不及格,你会让他失望的。 另外,if从句还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设,从句多用一般过去时或过去完成时。如: If I were you, I would invite him to the party.如果我是你,我会邀请他参加聚会。 I would have arrived much earlier if I had not been caught in the traffic.如果没有堵车,我会到的早一点儿。 那么,除了if之外,是否还有其他连词也可以引导条件状语从句呢?回答是肯定的,不仅有,还有很多。这些词由于出现的频率较小,且用法较复杂一些,所以不如if为大家所熟知罢了。下面就这些词的用法以例句的形式进行一下简单总结。 1. unless conj.除非,若不,除非在……的时候 You will fail to arrive there in time unless you start earlier.如果你不早点动身,你就不能及时赶到那儿。 Unless it rains, the game will be played.除非下雨,比赛将照常进行。 2. on condition(that)...在……条件下,如果 on condition (that)...引导的条件从句是主句事件发生的前提条件或唯一条件。 I can tell you the truth on condition that you promise to keep a secret.我可以告诉你真相,条件是你答应保守秘密。 You can go swimming on condition (that) you don't go too far from the river bank.你只有在不远离河岸的条件下才可以下水游泳。 3. supposing conj.如果,假如 supposing引导的条件从句表示一种假设条件。 Supposing it rains, shall we continue the sports meeting?倘若下雨,我们的运动会还要继续举行吗? Supposing something should go wrong, what would you do then?假如出了什么问题,你准备怎么对付? 4. provided conj.假如,除非,以……为条件 provided (that) +从句表示一种假设条件。 He will sign the contract provided we offer more favorable terms.如果我们提出更优惠的条件,他就会在合同上签字。 He won't be against us in the meeting provided that we ask for his advice in advance.如果我们提前征求一下他的意见,他就不会在会上反对我们。 从上述例句可以看出if, unless, on condition (that), supposing, provided等词引导的条件状语从句,主从句条件关系分明,结构清晰。但有些句子,虽没有含条件关系的连词,却也隐含着条件关系,这些句子常用一些词,如but for, without等引出一个介词结构来表示条件,条件常常是虚拟的,或与事实相反的假设。如: but for若非,要不是 But for the rain, we should have a pleasant journey.要不是下雨,我们的旅行肯定会很愉快。 But for your help,we should not have finished in time.要不是你帮忙,我们肯定不能及时完成任务。

英语零条件句例句

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1. 英语条件句 conditional if 急!!!!!!!!!!! If可引导条件状语从句,此外也可由(除非=if not)、in case(万一)、so/as long as(只要)、as/so far as(就...而言)、on condition that(条件是)、suppose(假设)、supposing(假设)(仅在问句中用)等词引导。 一般来说当主句是将来时的时候,从句要用一般现在时表示将来。以此类推,主句是现在时,从句就要是现在完成时;主句是过去时,从句就应该是过去完成时。从句总是比主句晚一个时态的。 但是从句不能用一般将来时、过去完成时和将来完成时,当从句需要用这种时态是要用相应的时态替换:一般将来时换成一般现在时、过去将来时换成一般过去时、将来完成时换成现在完成时。 要注意的是从句谓语中出现will或would时,并不是时态的表现,而是表示‘愿意’的情态动词。 例句: 1,If you ask him,he will help you.如果你请求他,他会帮助你。 2,If you had e a few minutes earlier,you would have met him.要是你早来几分钟就能遇到他了。 3,In time of serious accidents,if we know some basic things about first aid,we can save lives.在严重事故的时候,如果我们了解一些基本的急救常识,我们可以挽救生命。 4,I would appreciate it if you call back this aftemoon for the doctor's appointment. 2. 英语条件句 conditional if 急!!!!!!!!!!! If可引导条件状语从句,此外也可由unless(除非=if not)、 case(万一)、so/as long as(只要)、as/so far as(就...而言)、on condition that(条件是)、suppose(假设)、supposing(假设)(仅在问句中用)等词引导。 一般来说当主句是将来时的时候,从句要用一般现在时表示将来。以此类推,主句是现在时,从句就要是现在完成时;主句是过去时,从句就应该是过去完成时。从句总是比主句晚一个时态的。 但是从句不能用一般将来时、过去完成时和将来完成时,当从句需要用这种时态是要用相应的时态替换:一般将来时换成一般现在时、过去将来时换成一般过去时、将来完成时换成现在完成时。 要注意的是从句谓语中出现will或would时,并不是时态的表现,而是表示‘愿意’的情态动词。 例句: 1,If you ask him,he will help you.如果你请求他,他会帮助你。 2,If you had e a few minutes earlier,you would have met him.要是你早来几分钟就能遇到他了。 3,In time of serious accidents,if we know some basic things about first aid,we can save lives.在严重事故的时候,如果我们了解一些基本的急救常识,我们可以挽救生命。 4,I would appreciate it if you call back this aftemoon for the doctor's appointment. 3. 英语中什么叫条件句它有什么判定方法有什么注意事项求详解 第一类英语条件句 [条件状语从句] 谈论可能发生的事情,并考虑这件事情的结果。 从句(if)用一般现在时或其他现在时,表示可能发生的事情(条件)。 主句用一般将来时,表示这件事情的结果。 如:You will get the full mark if you study hard.(如果你努力学习,你就会得满分。) 第二类英语条件句─── “非真实的过去”[虚拟语气] 第二类条件句与第一类不同,谈论想象的事情,并推测想象的结果。 从句(if)用过去式,表示想象的事情(条件)。 主句用would+动词原形,表示推测的想象结果。 本句用过去式并不代表事情已经发生,而是指想象,所以被称为“非真实的过去”。 第二类英语条件句有时可以和第一类用法相同,但第二类更加的不确定。 如:You would get the full mark if you studied hard.(如果你努力学习,你可能得满分。) 第二类英语条件句也可能用于描写不可能的事。 If I were mad, I would throw this valuable jade away.(只有我疯了,我才会把这块珍贵的玉扔掉。) 在第二类英语条件句中,一般通常按语法把was换为were,用were在从句中,通常更为正式,与现实的差距就更大,用was更为贴近现实(一般不会这样说在书面语中)。 我们常用if I were you来提出建议, 如:If I were you, I would not do that.(如果我是你的话,我不会那样做。) 省略的条件状语从句 If doing sth, you will be ...... 4. 请教高中英语零条件句,一条件句,二条件句,三条件句形式 零条件句If ice is heated,it melts. 第一条件句。如:I will tell him about it if he es. 第二条件句If it rained tomorrow,I would not go out. 第三条件句是指和回过去事实相反的答虚拟条件句。 5. 英语中什么是条件句要求简单明了,谢谢 条件句就是谈论可能发生的事情,并考虑这件事情的结果。 它是指一种表示假设的主从复合句。英语的条件句有很多类型,最常见的就是if或者unless引导的条件句。 6. 请详细讲解一下零条件句,谢谢! If 条件句小结 在英语学习中,同学们总是在if条件句的使用上出现问题,现将if条件句的基本规律总结如下: 1) 零条件句:谈论总是发生,一般存在的现象时使用。 句子结构:从句If+一般现在时,主句用一般现在时If + Simple Present,+ Simple Present OR Simple Present+ If + Simple Present Examples:If you boil an egg, it bees solid. If you heat something, it bees hotter. I always listen to music if I jog. 在零条件句中,我们可以用when代替if 2) 第一条件句:用于描述将来很可能发生的事件 句子结构:从句if+一般现在时,主句将来时(主将从现)If + Simple Present,+ Will OR Will+ If + Simple Present Examples:Lisa will be very happy if she wins the prize. If it rains, then we will stay at home. If I see Sam, I will ask him to give you a call. 第一条件句中,主句可以用shall, can, may等情态动词代替will 3) 第二条件句:用来描述将来不太可能发生的事情,或者和现在事实相反的事件 句子结构:条件句if+一般过去时,主句would+动词原形If + Simple Past,+ Would + Base Form OR Would + Base Form+ If + Simple Past Examples:If I won a million dollars, I would travel around the world. She would quit schoolif her parents agreed. I would be surprised if I saw pigs in the sky. OR You would see John if you were here now. If things were different, we would be happy. We would be good friendsif she were nicer. 第二条件句中,我们可以用could, should, might代替will注:第二条件句中只能用were,不用was4) 4)第三条件句: 用于描述和过去事实相反的事件 句子结构:从句if+过去完成时,主句would have + 过去分词If + Past Perfect,+ Would have + V3 OR Would have + V3+ If + Past Perfect Examples:If I had woken up on time, I would have taken the bus. If I had told Sarah the truth,I would have felt much better. If it hadn't rained yesterday,we would have enjoyed a nice picnic. 第三条件句中可以用should have, could have, might have代替would have 7. 零条件句,第一条件句,第二条件句,第三条件句的意义,结构和例句,急, 零条件句Zero Conditional 意义:用于阐述事实. 结构:If + subject + simple present, subject + simple present. Subject + simple present if + subject + simple present. 例句:If I see a spider, I get panicky. I feel claustrophobic and immediately want to get out of if I enter an enclosed space. 第一条件句First Conditional 意义:表达一个动作后的结果 结构:If + subject + simple present, subject + will + verb. Subject + will + verb + if + subject + simple + present. 例句:If we move the office to the 15th floor, I'll resign. I'll probably have another panic attack if I see a spider. 第二条件句Second Conditional 意义:用于表达一个假设情况后的结果. 结构:If + subject + simple past, subject + would + verb. Subject + would + verb + if + subject + simple past. 例句:If I didn't suffer from a fear of flying, I would travel more. I would consult a doctor if I had a phobia. 第三条件句Third Conditional 意义:是用来表达如果(If)当时那样发生,另外一方面(当时)会如何(通常是指过去的事情,带有一切已经太迟而不能够补救的意思). 结构:If + subject + past perfect, subject + would have + past perfect. 例句:She was ill. She didn’t go to work. 改成第三条件句:If she hadn't been ill, she would have gone to work. 8. 英语中条件句 1.是如果下个星期五之前你没有收到我的回应你可以假设我不会去了,不是回你将……是你可答以…… 2.如果我填我不会写will,但是加个will也没错,因为还没有promise 3.一般时啊,就是评述一个状态 4.如果她已经答应了会来她就一定会来。所以用完成时 5.如果他说过这话,他就是个傻瓜。说过所以用过去式 6.虚拟语气 7.虚拟语气 PS:楼主可以好好看看虚拟语气的用法。 9. 英语造句 分别用第一,第二,第三,零条件句各造两个句子, As students,wefirstmust respect theteacher,we want tolisten in classsecond,third we shouldhelp others 10. 英语条件句的用法,请大神教我 正确的答案应该是:1---5. adccd 6---10.adddb 其中第三题前面有助动词would因此后面只能跟动词原形,第九小题be surprised to do sth ~手版工翻译,尊重劳动,权欢迎提问,感谢采纳!~

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