does not include a country that is home to one fifth of mankind. （2000全国） A．as long as B. While C．if D．even though
时间状语从句的连词
1.once, as soon as ( immediately, directly, instantly, the minute/moment/instant )
hardly/scarcely … when , no sooner…than
2. every/each time, next time , the first/second / last time … by the time …
1. I left school ten years ago. 2. I have left school since ten years ago.
3. I have left school for ten years ago. 4. It is ten years since I left school.
A. until B. unless C. after D. because
until / till “直到……止”(肯定句，主句是延续 性动词); not…until “直到……才”(否定句，主句是终 止性动词);
until 可用于倒装句和强调句，till不用于句 首。
Not until I returned did she finish her
He fell asleep before I could take off his clothes.
注意：这时before 本身含有否定意义， 从句不能再用否定句．
翻译：铃还没响，学生们就冲出了教室．
The students rushed out of the classroom before the bell rang.
____ D
国卷）
it is needed. （03全
A．unless B．since
C．although D．when
复习when 时要注意比较它与 while 与 as 的区别。
when, while, as 三者的具体用法关键在于动作发生的时
间及从句的动词。
while 表时间，从句需用延续性动词，不用瞬间动词； when 表时间，从句既可用延续性动词，又可以用瞬间动词； as 表时间，与when 相似，但侧重强调主、从句动作同点
或同段进行，可用延续行动词的一般过去式表式过去进行时。 (一边…一边; 随着…)
when, while 后还可以接分词短语。
when 作并列连词，表示一个动作在发生时， 另一个动作接着发生，这时就不能用while、 as。
I was walking on the street when suddenly someone patted me on the shoulder. while 作并列连词，表示两种情况对比。
the money you owed her?
— Yes, I gave it to her _____B__ I saw her. （01北京春季）
A．while B．the moment C．suddenly D．once
地点状语从句----- where / wherever 例题 Make a mark____C____ you have a question. A. in which B. there C. where D. that
2. We saw an English film _f_o_r _th_e_fi_rs_t_ti_m_e_____last night.
3. This is __th_e_f_ir_st_t_im_e__ that we have seen the famous star.
Since (conj./ prep./ adv.) 1.I haven`t heard from him since I left school. 2. We have lived here since 2003/ ten years ago. 3. They have never seen it ever since.
It + be + some time + since-clause 这个句型表示从 since 从句谓语动作发生以后到现在或过去所经过 的一段时间，意为“自从......以来已多久了” It is + some time since … ( did ) It has been + some time since ..( did ) It was + some time since ( had done ) 1. It is ten years since I left here. 2. It is three years since his father passed away .
A. It was since he broke the law B. It was because he broke the law. C. It was as he broke the law. D. It was that he broke the law.
because ; as; since ---- ( now ) that / seeing that Since you don`t feel well , you may stay at home as well. As he is honest and diligent , everyone likes him.
Make a mark in a place where you have a question.
Translating • I found my books where I had left them. • You can go wherever you like. • Where there is a will , there is a way. • Wherever you go , you won`t be welcome. • Where there is plenty of sun and rain , the
6.用在“It was/will be (not)+一段 时间＋before 从句”中，译作“才” “就”
(1) It was not long before he left for the United States. (2) It was three weeks before they arrived at the mountain village. (3) It will be four years before we meet again.
4.表示“趁着没…” “以免”
We want to buy something now before prices go up.
5.表示“不知不觉地…就”常用于句 型before one knew it.
Time passed quickly and three months went by before Aqiao knew it.
5. We have lived here for ten years. 6. It is ten years since we lived here. We haven`t lived here for ten years . 短暂动词表示动作开始… ; 延续动词表示动作结束
问题4：
— Did you remember to give Mary
3. When / whenever
# When I came in , some students were sleeping. Whenever you are in trouble, I`ll help you.
1.___T_he__fir_s_t _tim__e __ I met him , he was dressed very well.
A．after B．unless C．until D．When
2) Simon thought his computer was broken
_fo_r_g_oA_t_te_n_
his little to turn it
brother pointed out that on. （05北京春季）
he
had
Where did you study before you joined the army?
2.表示“．．．才”强调从句的动作发生得 晚或慢．
He had walked for a whole day before he found water.
3.表示“还没来得及…就”强调在从 句动作发生之前, 主句动作已发生.
homework.
It was not until I returned home that she
finished her homework.
问题3： 1、The American Civil War lasted four years __B____ the North won in the end. (05广东卷)
fields are green.
Ex. 1. You should put your book ___C______ it belongs.
A. to which B . to where C. where D. which
2. Young people should go _____C__________.
状语从句
状语从句考点
1、各种从属连词的含义及用法比较； 2、no matter wh- 与 wh-ever 引导的从句的区别； 3、状语从句的时态问题； 4、状语从句的倒装问题； 5、状语从句与其它从句的区别。