中考英语专题复习 条件状语从句现场播报.doc

条件状语从句现场播报【现场播报一】如果一个句子充当另一个句子的状语，并且表示其发生的条件，那么这个句子就是一个条件状语从句。【现场播报二】条件状语从句一般由if(如果)来引导，当if从句放在主句之前时，用逗号将从句与主句隔开；当主句在前从句在后时，则不需要用逗号。if you are tiredyou can sit and have a rest如果你累了，就坐下休息休息。we will go for a picnic if it doesnt rain tomorrow如果明天不下雨，我们将去野炊。【现场播报三】条件状语从句的时态主句中用一般将来时，从句通常用一般现在时表示一般将来时。if he comes tomorrow, i will tell you first.如过他明天来，我先告诉你。主句的谓语动词是情态动词+动词原形时从句的谓语动词用一般现在时表示一般将来时。when the lights are red，the traffic must stop.红灯亮时，车辆必须停下。主句是祈使句时，从句用一般现在时表示一般将来时。please dont go to bed before you finish your homework.在完成作业之前，请不要休息。当主句的谓语是want, hope, wish等动词时，从句用一般现在时表示一般将来时。 she wants to work in america when she finishes college.她大学毕业后想到美国工作。主句谓语用一般过去时时，从句谓语要用过去时态（一般过去时、过去将来时、过去完成时、过去进行时），但若是客观事实、谚语、真理时，仍用一般现在时。they talked about the party after people left. 人们离开后，他们谈论这次晚会情况。our geography teacher told us that light travels faster than sound yesterday.昨天我们地理老师告诉我们光比声音传得快。【现场播报四】条件状语从句与简单句之间的转换可转换为“祈使句+andor+表将来的简单句”结构的并列句。if you think hard, you will find the answer to this question very easily.think hard, and you will find the answer to this question very easily.仔细想想，你就会很容易找到这个问题的答案。借助介词without把条件状语从句转换为简单句。if you dont help me, i cant be chosen as the new chairperson of the students union. i cant be chosen as the new chairperson of the students union without your help.【现场解码】一、单项选择()1. if eddie , no one hobo.a. dies, looks after b. dies, will look after c. will die, looks after d. will die, will look after()2. if i time in three days, i go to the zoo.a. have, gob. have, will goc. will have, god. will have, will go()3if my mother_ that pair of beautiful shoes for me, i_ very excited.a. buys, will beb. will buy, will be c. will buy, amd. buys, am()4.if a tiger_ food for 15 days, it .a. doesnt have, will dieb. doesnt have, dies c. wont have, will died. wont have, dies()5. if simon_ hard, he _good at english. a. work; is b. works; is c. works; will be d. will work; will be()6.if a bear_in danger, it_ people.a. is, attacks b. is, will attack c. will be, attacksd. will be, will attack()7. if you_ on some snakes, they_ poison.a. step, spitb. step, will spit c. will step, spitd. will step, will spit()8. i wonder if it is going to rain next week.if it_, i have to stay at home.a. isb. does c. dod. will be()9. the sports meeting will continue_ it doesnt rain this afternoon.a. ifb. for c. becaused. why()10.if she studied hard, millie _up with others.a. will catchb. would catch c. catchesd. caught二、在空白处填上适当的单词，使上下两句意思相同或相近1.hurry up, or you wont catch the early bus._ you_ be quick, you_ miss the early bus.2. you will see a lot of camels. you go to north africa. you go to north africa, see a lot of camels.3.many wild animals cant live without forests.many wild animals cant live forests.4.nobody buys fur, fewer tigers will be killed._ nobody_ fur, fewer tigers will be killed.5.love wild animals, and they will be our friends_ we_ wild animals, they will be our friends.三、用所给动词的适当形式填空。1.if it (snow) next week, i wont go out.2.if you step on some snakes, they (spit)poison.3.if people (not protect)giant pandas, they will die.4.will you come if you (be)free tomorrow?5.if he (come)back, i will tell you at once.四、改错()1.if people will cut down too many trees, there will be no more forests. a b c d()2.if others are in danger, we shouldnt help them. a b c d()3.your parents will be happy if you do not do your homework. a b c d()4.if a bear will be hungry, it catches fish from the water. a b c d()5.the animals will disappear if nobody will help rare animals. a bc d五、翻译句子1、 如果人们不停地砍树，后果会更严重。 people keep cutting down trees, the result bad.2、 如果没有人帮助她，她会陷入麻烦中。 no one her, she in danger.3、 如果人人都关心野生动物，我们会共享这个世界。 everyone about rare animals, we the earth.4、 如果我们即使采取行动，我们就有能力拯救它们。 we actions in time, we able to save them.5、 如果大象口渴的话，它们会做些什么呢？what elephants do they hungry?参考答案：一、1-5bbaac6-10aabab二、1. if, dont, will2. if, youll 3. if, therere, no 4. if, b