大学英语语法--状语从句-课件

• 1. Child as she is, she knows a lot of things. 比较 • 2. The more I can do for the class, the happier I’ll be. 方式 • 3. He talks as if (as though) he knew all about it. 结果 • 4. He is such a good teacher that the students love and respect him. 条件 • 5.I shall go to the park unless it rains. 时间 • 6. No sooner had I got home than it began to rain.
注意同一个从属连词的多义性：
连接词when的用法小结
1. when可用来引导时间状语从句，意为“当……的时候”从句的 谓语动词可以是延续的，也可以是短暂的。 如： When the film ended, they went back. When I lived there, I used to go to the seashore on Sundays. 2. When 常用于下列句式：意为“就在那时”。如： was doing something…when was about to do…when was on the point of doing sth... when… had done…when 3. when可以表“既然”，如： How can I help them to understand when they won’t listen to me?
地点状语从句 原因状语从句 条件状语从句
源自文库
where, wherever because, since, as, for, now that(既然）, in that（因为）
if, unless, as(so) long as, on condition that, 要……)等。如：
九 种 常 用 的 状 语 从 句 及 其 常 用 的 连 接 词
A I accept that he is not perfect, I do actually 7. ______ like the person. A. While B. Since C. Before D. Unless
C 8. ________it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal. A when B As C While D Before
the Adverbial 状语
句子+引导词作状语。 修饰动词、形容词、副词或整个句子，说明 动作或状态特征的句子成分，叫做状语。
the Adverbial Clauses 状语从句
时间状语从句
九 种 状 从
地点状语从句 原因状语从句
条件状语从句
让步状语从句 目的状语从句 结果状语从句 方式状语从句
连接词when, while, as的用法区别：
when, while, as这三个连词都可表示“当……的时候”， 使用时应注意： 1) when可表示一个时间点，也可表示一个时间段。如： When he came in, we were having supper. When we were having supper, the light suddenly went out. 2) while则只表示一个时间段。它所引导的时间状语从句 中的时态常用进行时态。如： When/While he was eating his breakfast, he heard the doorbell ring. While he was watching TV, the boy fell asleep. 3) as则强调主句和从句的动作在同一时间进行;也可表示 “随着……”， 。 She sang as she walked along. As the election approached, the violence（暴行） got worse.
九 种 常 用 的 状 语 从 句 及 其 常 用 的 连 接 词
时间状语从句
when, while, as, before, after, since, once ,by the time , till, until, not…until, the first/second…/last time, as soon as, the moment, the minute, the instant, immediately, directly, instantly, hardly…when, scarcely…when, no sooner…than , every time, each time
连接词as的用法小结
1.as可用来引导时间状语，意为“一边…一边”；随着 如： She sang as she walked home all the way. (一边…一边） She was doing her homework as she was listening to the music. As she grew older, she became more beautiful. （随着） As the day went on, the weather got worse. 2.as也可用来引导原因状语从句意为“因为”； 如： As she is free today, she would like to do some shopping. （因为） 3.as还可用来引导让步状语从句（通常用倒装结构）意为“尽 管”。 如：Tired as he was, he refused to take a rest. （尽管） Hard as he worked, he can’t work out the problem. Child as he is, he knows a lot.
让步
• 7. Where there is water, there is life. • 8. He studied hard so that he could catch 目的 up with his classmates. • 9. Since you are very busy, I won't trouble 原因 you. 让步• 10. Even if (though) I fail. I’ll never lose heart. 时间• 11. Once you begin the work, you must continue. 让步• 12. Although the sun was shining, it wasn’t very warm..
让步状语从句
although, though, as, even though/even if, while(虽然）, no matter +which/what/when/where/who/how, whichever, wherever, whatever, whoever, whenever, however, whether…or；
状语从句的分类
• 6. As long as you don’t lose heart, you’ll succeed. (条件) • 7. Try as he might, he could not find a job. ( 让步 ) • 8. The old lady treats the boy as if he were his own son. ( 方式 ) • 9.He is taller than I am.( 比较 )
25. Mary
made coffee
C
her guests were finishing their C. while D. as if
meal. A. so that
B. although
连接词while的用法小结
1. while可用来引导时间状语，意为“当……的时候”； 引导的动作必须是持续性的，如： Please don’t talk so loud while others are working. 2. while作为并列连词，意为“而，却”，表示对比。 Jane was dressed in brown while Mary was dressed in blue. 3. while也可用来引导让步状语，意为“尽管，虽然”； 可表示尽管，相当于although While I admit that the problems are difficult , I don’t agree that they can’t be solved. 4 趁…的情况赶紧做, 否则来不及了 Strike while the iron is hot.
结果状语从句
目的状语从句 方式状语从句 比较状语从句
so that, so…that, such…that so that, in order that, in case, as, as if/as though than, as…as, not so/as…as,
the +比较级…, the +比较级…
比较状语从句
状语从句的分类
1. While I was walking along the street, I found many beatiful buildings ( 时间 ) 2. Where there is a will, there is a way. ( 地点 ) 3. Now that/Since everybody is here, let’s begin our meeting. （原因 ） 4. I’ll speak slowly so that you can understand me. 目的 ( ) 5. So clever was he that he was able to work out all the difficult problems. ( 结果 )
地点
• 1 状语从句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、状语从句倒装及省略问题； • 5、状语从句与其它从句区别。
时间状语从句 A 1. We were swimming in the lake ______ suddenly the storm started. A. when B. while C. until D. before D someone 2. He was about to tell me the secret ______ patted him on the shoulder. A. as B. until C. while D. when 3. He transplanted the little tree to the garden ______ B it was the best time for it. A. where B. when C. that D. until 4. －Did Jack come back early last night? －Yes. It was not yet eight o’clock ____ B he arrived home. A. Before B. when C. that D. until C a 5. He was about halfway through his meal ______ familiar voice came to his ears. A. why B. where C. when D. while
6. The cost of living in Glasgow is among the lowest in Britain, ______ D the quality of life is probably one of the highest. A. since B. when C. as D. while