主将从现

主将从现_知识讲解

主将从现知识讲解“主将从现”适用于什么样的从句中 学员:王韧聪教师:李军力 if引导条件状语从句的两种用法: “主将从现”与表事实时用现在时零碎用法 " if " 引导的条件状语从句的用法,现在总结一下: if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。 条件句表可能,主句多用将来时; 条件句表事实,主句常用现在时。 在 if 引导的条件状语从句中,如果从句谈论的就是一个有可能发生的事实及其产生的相关的结果,主句用一般将来时态,从句用一般现在时态。如: We can walk there if we can't find a bus 、 If it rains tomorrow , we will not go to the zoo、 What will you do if you find a panda in danger、 如果 if 条件句谈论的就是重复发生与预示要发生的情景与事件,则主从句大多用一般现在时态。如: If bears are in danger ,they attack people、 注意 : 在 if 引导的条件状语从句中,if 条件句位置灵活,可直接放在主句后面,若 if 条件句放句首, 从句后面要加逗号,与主句隔开。 还要注意前后时态一致原则 我们知道,引导条件状语从句最常用的连词就是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、如果您请她帮忙,她会帮您的。 If you fail in the exam, you will let him down、如果您考试不及格,您会让她失望的。 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:

主将从现及练习

主将从现 概念： 在时间状语从句和条件状语从句中，主句用一般现在时从句则用一般现在时表示一般将来。 适用条件：1.主句和从句的动作都是将来要发生的动作 2.在时间状语从句和条件状语从句中 时间状语从句的关联词有： after在-----以后，before在-----以前when当----的时候，as soon as一-----就------ until到----为止 条件状语从句的关联词有： if如果和unless除非，如果不 首先要分清主句和从句： 如： When I grow up, I will be a nurse and look after patients. I want to be a doctor when I grow up. 注意： 无论主句和从句都可以在前面或者后面，紧跟在关联词后的才是从句。 其次，还要注意主句的各种变体。主句可以是标准的将来时： will+动词原形或者be going to+动词原形也可以是一下两种情况： 1、如果主句是祈使句，那么从句通常要用一般现在时 如：

Don’t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 2、如果主句是含有情态动词的一般现在时，根据需要从句多用一般现在时 如： You should be quiet when you are in the reading room. 最后： 当主句是过去将来时时，从句用一般过去时表示过去将来。He said that he would have another try if he had the chance. I knew he could help me if he was free the next day. 请用正确的形式填空。 2. If it is fine, we___( go ) for a walk. 3. If it rained, they _____ ( stay ) at home. 4. You will spoil it if you ___ ( not be ) careful. 6. Will you help me if I ___ ( need ) you. 7. They will get wet if it ___ ( rain ). 8. What a pity I haven’t got my car. If I had, I _____( take ) you to theairport. 9. We would answer if we ___( can ). 10. If you eat too much, you ___( get ) ill.

初中英语主将从现练习题

主将从现 主将从现是指在和中，如果主句是一般将来时，从句用一般现在时替代一般将来时。 常见的有以下四种情况： 一、条件的主句是一般将来时，那么从句常常用一般现在时 如：When I grow up, I’ll be a nurse and look after patients 我长大后要当一名护士，照顾病人 二、如果主句是祈使句，那么从句通常要用一般现在时 如：Don’t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 三、如果主句是含有情态动词的一般现在时，根据需要从句多用一般现在时 如：You should be quiet when you are in the reading room 在阅览室时应保持安静 四. 如果if的条件状语从句遇到变换间接和直接时, 祈使句应用not to.... 如; She said not to close the window 常见的时间状语从句的连词有：as soon as,when,while ,as,until等 主将从现说的是在含有时间状语从句和条件状语从句的主从复合句中，如果主句的时态是一般将来时，那么从句要用一般现在时。例如： I will tell him about it when he comes. If it is fine tomorrow, we will go outing. 如果主句的时态是过去将来时，那么从句要用一般过去时。例如： He said that he would have another try if he had the chance. I knew he could help me if he was free the next day. 任务设计 任务I. 请用正确的形式填空。 1. If I come, I ________ ( see ) you. 2. If it is fine, we______( go ) for a walk. 3. If it rained, they _________ ( stay ) at home. 4. You will spoil it if you ______ ( not be ) careful. 5. We would be very much pleased if you _____( come ).

(完整word版)初中英语语法讲解大全,推荐文档

初中英语语法讲解 在中考单项选择试题中，除了时态，名词的考查频率也较高。一般考查以下几点： 一、可数名词与不可数名词 在可数名词与不可数名词上一般出现这样几类，（1）分辨是哪一类名词，并根据结论做选择。（2）可数名词复数的不规则变化。（3）不可数名词的量化表达。所以，考生首先要能够明确哪些是可数名词，哪些是不可数名词。其次，还要知道可数名词的复数的变化规则。可数名词的变化规则一般是在单词后面加-s 或-es，如： 1desk---desks bed---beds piano---pianos hat---hats bag---bags photo---phot os 2bus---buses box---boxes watch---watches brush---brushes 3tomato---tomatoes potato---potatoes hero---heroes Negro---Negroes 4 leaf---leaves knife---knives 5baby---babies family---families 另外，还要记住一些特殊的名词的变化形式，如： Chinese---Chinese Japanese---Japanese Englishman---Englishmen Frenchman---Frenchmen Russian---Russians American---Americans

German --- Germans child---children foot---feet man---men woman---women tooth---teeth goose --- geese deer---deer sheep---sheep 还要掌握不可数名词的量化表达有：a piece of、a bag of、a bottle of、a cup of、a glass of 另外，大家应注意：单数集合名词作主语时谓语动词“数的”变化：单数集合名词如class, police, family, school, group, team等。尽管形式上是单数，意义上都是复数，因此，一般要与复数谓语动词连用，例如： Class Five have a foreign friend. 五班有一位外国朋友。（这里的五班指五班的同学的。） His family are good to me. 他的家人对我很好。（很显然，这里的family指家庭成员。）当上述集合名词着重指“整体”时，意义上则是单数，因此，要与单数谓语动词连用。例如， Our school team often plays well in our city. 我们的校队经常在我们市踢得很好。（这里的team 指整个队，但意义上仍为单数，故谓语动词用plays. 初中英语语法讲解二、名词所有格 名词所有格有两种形式：一是加’s，一种是用of来表示。一般情况

主将从现专项练习

一、请用正确的形式填空。 1. If I come, I ________ ( see ) you. 2. If it is fine, we______( go ) for a walk. 3. If it rained, they _________ ( stay ) at home. 4. You will spoil it if you ______ ( not be ) careful. 5. We would be very much pleased if you _____( come ). 6. Will you help me if I _____ ( need ) you. 7. They will get wet if it _____ ( rain ). 8. What a pity I haven’t got my car. If I had, I _________( take ) you to the airport. 9. We would answer if we _____( can ). 10. If you eat too much, you ______( get ) ill. 二、选择正确的答案。 ()1.If you want to learn English well,you must use it as___as possible. A.often B.long C.many D.soon ()2.---What will Bill do if he____in the test? ---He will try again. A.fail B.fails C.will fail D.is failing ()3.Please tell her the news when she_____.OK,I will. A.comes B.will come. C.come D.would come ()4.The students will plant trees if it___tomorrow. A.didn’t rain B.hasn’t rained C.won’t rain D.doesn’t rain ()5.We__home if there is no bus.---Oh,what a pity! A.will walk B.have walked C.walked D.walk ()6.If it_____tomorrow,I’ll go by car. A.rain B.will rain C.rains D.would rain ()7.If Mary_______next Sunday,we will go boating together. A.will come B.comes C.shall come D.should come ()8.---Don’t forget to ask him to write to me. ---I won’t.As soon as he_______,I’ll ask him to write to you. A.will come B.came C.comes D.is coming ()9._____the young girl_____the old man clean his room every day? -Yes,she does. A.Does;help B.Has;helped C.Did;help D.Do;helps ()10.Our geography teacher told us yesterday that the earth___aro und the sun.

(完整)初中英语主将从现练习题

主将从现 主将从现是指在时间状语从句和条件状语从句中，如果主句是一般将来时，从句用一般现在时替代一般将来时。 常见的有以下四种情况： 一、条件状语从句的主句是一般将来时，那么从句常常用一般现在时 如：When I grow up, I’ll be a nurse and look after patients 我长大后要当一名护士，照顾病人 二、如果主句是祈使句，那么从句通常要用一般现在时 如：Don’t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 三、如果主句是含有情态动词的一般现在时，根据需要从句多用一般现在时 如：You should be quiet when you are in the reading room 在阅览室时应保持安静 四. 如果if的条件状语从句遇到变换间接和直接时, 祈使句应用not to.... 如; She said not to close the window 常见的时间状语从句的连词有：as soon as,when,while ,as,until等 主将从现说的是在含有时间状语从句和条件状语从句的主从复合句中，如果主句的时态是一般将来时，那么从句要用一般现在时。例如： I will tell him about it when he comes. If it is fine tomorrow, we will go outing. 如果主句的时态是过去将来时，那么从句要用一般过去时。例如： He said that he would have another try if he had the chance. I knew he could help me if he was free the next day. 任务设计 任务I. 请用正确的形式填空。 1. If I come, I ________ ( see ) you. 2. If it is fine, we______( go ) for a walk. 3. If it rained, they _________ ( stay ) at home. 4. You will spoil it if you ______ ( not be ) careful. 5. We would be very much pleased if you _____( come ). 6. Will you help me if I _____ ( need ) you. 7. They will get wet if it _____ ( rain ). 8. What a pity I haven’t got my car. If I had, I _________( take ) you to the airport. 9. We would answer if we _____( can ). 10. If you eat too much, you ______( get ) ill. 任务II. 请根据给的线索将下列句子补充完整。

主过从过,主将从现,主现从任精编版

重温一道引起思绪混乱的题........ After a wonderful meal, they told stories and sang songs by the campfire. 表示“在……之后”的句式：after+从句/doing/n. after I arrived => After my arrival 在我到达之后 完成同义句转换： when the plane arrived = After his arrival, we have a party. = = 时态使用重大的规则：（12字原则) 主过从过，主将从现，主现从任 【主将从现】 常见的有以下三种情况： 一、When/if引导的主句是一般将来时，从句用一般现在时。 I'll tell her the good news when she comes back.当她回来的时候，我将把这个好消息告诉她。 If it doesn't rain, he will come here on time.如果不下雨，他会按时来这儿的。 二、如果主句是祈使句，那么从句要用一般现在时。 Don’t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 三、如果主句是含有情态动词的一般现在时，从句多用一般现在时。 You should be quiet when you are in the reading room. 在阅览室时应保持安静。

【主过从过】 常见的有以下二种情况： 1.直接引语变成间接引语 2.宾语从句中，当主句的谓语动词为过去时态时，从句须用表示过去的某种时态。例如： He asked when they would go to the party.他问他们什么时候将去参加聚会。 Miss Green said she had been to Beijing before.格林小姐说她以前曾经去过北京。【主现从任】 常见的有以下一种情况： 在宾语从句中，当主句的时态为现在的某种时态（一般现在时、现在进行时、现在完成时等）后面从句时态不受主句限制，可选用各种适合的时态。 例如： Do you know when we'll have a football match?你知道我们什么时候举行足球赛吗？ You know he has gone to Shanghai.你知道他已去上海了。 【特别关注】 1.当宾语从句表述的是客观事实、科学真理、现在的习惯动作以及格言等时，只能用一般现在时。例如： The teacher told us that light travels faster than sound.老师告诉我们光速比音速要快。 2.如果主、从句表示的动作是一前一后发生的，则先前的用过去完成，在后的只能用一般过去时态。 When he got there, the train had left. 当他到那儿的时候，火车已经开了。

初二上将来时-主将从现知识点讲解-练习-答案。

初二上将来时-主将从现知识点讲解-练习-答案。

一般将来时 1．用be doing表示将来：主要意义是表示按计划、安排即将发生的动作，常用于位置转移的动词。 如：go，come，leave，arrive等，也可用于其他动作动词。 We are having fish for dinner. We are moving to a different hotel the day after tomorrow. 这种用法通常带有表示将来的时间状语，如果不带时间状语，则根据上下文可表示最近即将发生的动作。 A: Where are you going? B: I am going for a walk. Are you coming with me? A: Yes，I am just coming. Wait for me. 2．用be going to do表示将来：主要意义，一是表示“意图”，即打算在最近的将来或将来进行某事。 Are you going to post that letter? How long is he going to stay here? I am going to book a ticket. 另一意义是表示“预见”，即现在已有迹象表明将要发生或即将发生某种情况。 It’s going to rain. George is putting on weight; he is going to be quite fat. 3. 用will/ shall do表示将来： 一是表示预见 You will feel better after taking this medicine. Do you think it will rain? 二是表示意图. I will not lend the book to you. Take it easy，I will not do it any longer. 基本结构：She will come to have class tomorrow. Will she come to have class tomorrow? She won’t co me to have class tomorrow. What will she do tomorrow? 肯定形式：①am/is/are going to + do；②will/shall + do. 否定形式：①am/is/are going not to + do；②will/shall not + do. 4.时间状语 tomorrow the day after tomorrow tomorrow morning/afternoon/evening next year/week/month/hour in+段时间in the future this afternoon/Sunday/evening from now on how soon 5.there will be 将有 注意will的位置，不能there will have. 一般疑问句：Will there be less pollution? 否定句：There won’t be less pollution. 一般将来时练习 一、用所给动词的一般将来时填空 1. I ______（leave）in a minute. I ______（finish）all my work before I ______ （leave）. 2. —How long _____ you _____（study）in our country? —I _____（plan）to be here for about one more year. —I _____（hope）to visit the other parts of your country.

主将从现常见的有以下六种情况

常见的有以下六种情况： 一、如果主句是将来时或表示将来含义时，那么条件和时间状语从句多用一般现在时 如：When I grow up, I will be a nurse and look after patients/ I want to be a nurse and look after patients. 我长大后要当一名护士，照顾病人。 二、如果主句是祈使句，那么从句通常要用一般现在时 如：Don’t laugh at me when I make a mistake. 我犯错误的时候不要笑话我。 三、如果主句是含有情态动词的一般现在时，根据需要从句多用一般现在时 如：You should be quiet when you are in the reading room 在阅览室时应保持安静。 四、如果if的条件状语从句遇到变换间接和直接时, 祈使句应用not to.... 如; She said not to close the window 常见的时间状语从句的连词有：as soon as,when,while ,as,until等 五、主将从现说的是在含有时间状语从句和条件状语从句的主从复合句中，如果主句的时态是一般将来时，那么从句要用一般现在时。 例如：I will tell him about it when he comes. If it is fine tomorrow, we will go outing. 六、如果主句的时态是过去将来时，那么从句要用一般过去时。例如： He said that he would have another try if he had the chance. I knew he could help me if he was free the next day. 主要标志有：if 、unless 、until、when 、as soon as等 If引导的条件句（if翻译成"如果"的时候）

主将从现_知识讲解电子教案

主将从现_知识讲解

主将从现知识讲解“主将从现”适用于什么样的从句中 学员：王韧聪教师：李军力 if引导条件状语从句的两种用法： “主将从现”和表事实时用现在时零碎用法 " if " 引导的条件状语从句的用法,现在总结一下: if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。 条件句表可能，主句多用将来时； 条件句表事实，主句常用现在时。 在 if 引导的条件状语从句中，如果从句谈论的是一个有可能发生的事实及其产生的相关的结果，主句用一般将来时态，从句用一般现在时态。如： We can walk there if we can't find a bus . If it rains tomorrow , we will not go to the zoo. What will you do if you find a panda in danger. 如果 if 条件句谈论的是重复发生和预示要发生的情景和事件，则主从句大多用一般现在时态。如： If bears are in danger ,they attack people. 注意：

在 if 引导的条件状语从句中，if 条件句位置灵活，可直接放在主句后面，若if 条件句放句首， 从句后面要加逗号，和主句隔开。 还要注意前后时态一致原则 我们知道,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。

初中英语语法宾语从句讲解-专项练习及答案

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