期中备考之 状语从句复习,Contents,回顾九种常用的状语从句,状语从句中常见的考点和难点归纳,历年中考考题中状语从句分析,天津市考试说明中的考试目标（状语从句部分）,条件状语,原因状语,目的状语,地点状语,比较状语,结果状语,时间状语,让步状语,方式状语,Back to school,难点,状语从句的时态问题;,难点,常考点,时间状语从句,各种从属连词的含义及用法比较；,状语从句的时态问题;,各种从属连词的含义及用法比较；,时间状语从句,状语从句的时态问题;,各种从属连词的含义及用法比较；,状语从句的时态问题;,各种从属连词的含义及用法比较；,时间状语从句, 让步状语从句， 条件状语从句,状语从句的时态问题;,各种从属连词的含义及用法比较；,引导条件状语从句的连接词主要有：if(如果)、unless(除非)或 as long as(只要)等。unless在意思上等于if.not。,条件状语从句,1、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。 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。,条件状语从句,2、unless = if.not. 除非,若不, Lets go out for a walk unless you are too tired. =If you are not too tired, lets go out for a walk. Unless it rains, the game will be played.除非下雨,比赛将照常进行。,条件状语从句,3、so/as long as只要 You may borrow my book as long as you keep it clean. 只要你保持书的清 洁，你就可以把我的书借去。 So long as youre happy, it doesnt matter what you do. 只要你高兴，你做什么都没有关系。,条件状语从句,二、时态问题 在条件状语从句中，要注意“主将从现“的规定，即主句用一般将来时，从句用一般现在时表示将来时。 I will come to see you if I have time. 我有时间，我就来看你。 常见考法 对于条件状语从句的考查，多以单选和完形填空的形式，从时态的角度设题，考查学生灵活运用的能力，或从连词的意义角度让大家选择连词。,条件状语从句,典型例题： If he _in half an hour, we _wait for him. A. wont come ,wont B. wont come ,dont C. doesnt come ,wont D. will come ,dont 解析：本题考查条件状语从句“主将从现“的运用。题干的意思是“如果他一小时后不来，我们将不会等他了“，从“in half an hour“，“一小时后“可知本句说的是未来的事，那么if引导的条件状语从句要用一般现在时表示将来时，主句要用一般将来时。 答案：C,条件状语从句,1. If it _tomorrow, we _ to climb mountains. A. doesnt rain; go B. wont rain; will go C. wont rain; go D. doesnt rain; will go 2Do you know if _ tomorrow morning? No. I will call you if she _ back. A. she will come; comes B. she comes; will come C. will she come; comes D. will she come; will come,条件状语从句,3Well go to the park if it_ rain tomorrow. A. dont B. doesnt C. wont 4We are not sure if it _ tomorrow. If it _ , our sports meeting will be put off. A. rains; rains B. rains; will rain C. will rain; will rain D. will rain; rains,条件状语从句,误区提醒 if 既可以引导条件状语从 句，表示“如果“，也可以引导宾语从句，表达“是否“。辨别它在这两种从句中的时态是我们经常容易出错的地方。另外，if 和unless的用法也需注意,条件状语从句,5. Ill give the book to him as long as he _ here next Sunday. A. will come B. comes C. is coming D. came 6.You will not get good grades _ you work hard. A. and B. unless C. if D.as long as,条件状语从句,40. Will you please give the dictionary to Jane? Sure, Ill give it to her _ she arrives here. A. before B. until C. because D. as soon as,37. A snake bit him _ he went to see a doctor at once. A. if B. where C. because D. so,28. You will be late for school_ you dont get up early. A. but B. if C. and D. or,34. It was raining heavily, _ we decided to stay at home and watch TV. A. but B. or C. because D. so,36._ the dinner was all over, everyone helped wash the dishes. A. How B. When C. Before D. Why,