4）If we ________ (break) the rules, we will get a fine.
5）Unless you speak to him first, he _______________
( not speak) to you.
6）If she ________(have) time tomorrow, she will go to
语法复习
条件状语从句
用括号里的词的正确形式填空
1）If he _________ (finish) his work early, he can go out.
2）If he arrives there, he___________ (phone) us.
3）If you ________ (be) free tomorrow, please help him.
巩固练习
一.选择恰当的引导词 二.单项选择
5）Please think it over ________ before you answer it.
when 6）It was raining _________he reached home.
条件状语从句表示主句中的某一动作或状态 是在什么情况或条件下发生的。 条件状语从句引导：if, unless (除非)……
⑤as soon as 引导的时间状语从句，译为“一…就…”，
表示从句动作一发生，主句的动作马上就发生。
语法复习 时间状语从句
选词填空
while，when，as soon as, before, after
1）Please tell me ________________ you get there. 2） _________we left, it began to rain. 3）He was reading ______________ I was watching TV. 4）I like swimming ________ my sister likes running.
visit you.
语法复习
条件状语从句
用括号里的词的正确形式填空
finishes (finish) his work early, he can go out. 1）If he _________
2）If he arrives there, he___________ will phone (phone) us.
( not speak) to you.
has 6）If she ________(have) time tomorrow, she will go to
visit you.
单项选择 1. _________ you eat old food, you may be ill. a. Before b. Until c. If d. Which
Welcome to the English show!
Lecturers : Sallow Hung
1. 时间状语从句
2.条件状语从句
3. 原因状语从句 4. 地点状语. 目的状语从句
7. 结果状语从句
8. 方式状语从句 ……
引导词 as while when before after until (till) as soon as
易混点 when, while, as, after, as soon as ,until 等 都可以 引导 时间状语从句。
① when 从句谓语动词可以是延续性动词和瞬间动词。 ② while 从句谓语动作必须是延续性的，有时表示对比。 ③as强调主语是同一个人，主句谓语动词与从句谓语动 词的动作同时发生。 ④until肯定句中,“一直…为止”;not…until“直到…才
e.g. We’ll come to see you on Saturday if we have time.
复合句集团有限公司的基本规章制度
时态一致
主过从过 主将从现 主现从需
考点
if 引导，它和时 条件状语从句一般由______ 间状语从句一样，当主句是一般将来时或含 一般现在时 有情态动词或祈使句时，从句用___________ 主将从现 原则 时态,即_________ 【有奖问答】 are (be)ill, you must go to see a doctor. If you____ will go (go) with me. If I go there, he _______
5）Please think it over ________ you answer it.
6）It was raining _________he reached home.
广告时间
语法复习 时间状语从句 选词填空 while，when，as soon as, before, after
as soon as/when you get there. 1）Please tell me ________________ When 2） _________we left, it began to rain. 3）He was reading ______________ when/ while I was watching TV. 4）I like swimming ________ while my sister likes running.
抢答题
2. We won’t have our sports meeting if it ___tomorrow. a. rains b. will rain c. rained d. rain
3. He _________ wait until the rain _________ .
a. wont, will stop b. wont, stop c. will, stops d. will, will stop 4. As soon as Jane _________ here, Ill post the letter to Mike. a. leave b. will leave c. leaves d. left 5. It was already five oclock _________ we got home. a. when b. while c. because d. if
3）If you ________ (be) free tomorrow, please help him. are
4）If we ________ break (break) the rules, we will get a fine.
5）Unless you speak to him first, he _______________ won’t speak