状语从句的省略
状语从句的省略有以下几种情况：
（1）状语从句的主语与主句的主语一致，同时从句中又含be 则通常可省去从句中的主语和动词be ，留下其余部分。
e.g.1.She stood at the gate as if （she was ）waiting for someone. 她站在门口好像在等人。 e.g.2. The man , while （he is ）over eighty, can walk faster than I .这人虽年过八十，却比我走得快。 e.g3. Don’t speak until （you are ）spoken to. 有人对你说话时你才说。
（2）若状语从句主语是it ，动词是系动词be ，则通常可省去主语it 及系动词be ，留下其余部分。 e.g.1. Though (it was) cold，he still wore a shirt．天气虽然冷，他还穿一件衬衫。 e.g.2. If (it is) so，you must get back and get it．如果这样的话，你必须回去把它拿来。 e.g.3. Everything went on better than (it had been) expected．一切进展得比预料的顺利。 e.g.4. No matter how difficult(it may be)，we are determined to carry the research to the end．
（3）状语从句中的部分内容若与主句的部分内容相同，可将从句中的此部分内容省去。 e.g.1. He has no money．If (he has) any，he will give us．他没有钱，如果有，他会给我们的。 e.g.2. Some flowers shut up at night as if (they did this in order) to sleep．
练习：
1.NO matter how frequently ______ , the works of Beethoven still attract people all over the world .
A. Performed B. performing C. to be performed D. being performed
2. -----Have you got any particular plans for the coming holiday?
----- Yes, _______, I’m going to visit some homes for the old in the city.
A. If ever B. If busy C. If anything D. If possible
3. – Who should be responsible for the accident?
– The boss, not the workers. They just carried out the order _____.
A. as told B. as are told C. as telling D. as they told
4. _______ , the experiment is sure to succeed .
A. If carefully doing B. If it done carefully
C. If carefully done D. If it doing carefully
5. --I hear that Bai Shan can't afford his schooling this fall .
--_________ , let's do something for him .
A. If so B. Where possible C. When necessary D. What a shame
6.When______, the museum will be open to the public next year.
A. completed B. completing C. being completed D. to be completed
7.Unless______ to speak, you should remain silent at the conference.
A. invited B. inviting C. being invited D. having invited
8.If______ the same treatment again, he is sure to get well.
A. giving B. give C. given D. being given
9.It shames me to say it, but I told a lie when______ at the meeting by my boss.
A. questioning B. having questioned C. questioned D. to be questioned
10. When first______ to the market, these products enjoyed great success.
A. introducing B. introduced C. introduce D. being introduced
11. The boy will make a lot of trouble when_____alone.
A.leaving B.leave C.left D.beingleft
12.Try to explain this new theory and give actual examples_____.
A.if it needed B.when necessary C.where they are possible D.when you are possible
13.If___，the experiment will be successful.
A.do carefully B.did carefully C.carefully done D.doing carefully
14._____in the dark ，he hit against a tree.
A.When walking B.When he was walking C.Walked D.He was walking
15.---Will you go and attend her party ？---No ，___invited to.
A.If B.when C.for not D.Even if
16.You mustn't touch it unless____.
A.asking to do B.asked to C.asking to D.to be asked
翻译：
1、除非受到邀请, 他才肯来
2、一旦看到, 就再也不会忘记它。
3、虽然他七十多岁了, 但身体仍然很好。
4、她匆忙地离开了房间, 好像生气了。
5、他取得了比预想还要大的进步。
6、当他还是一个学生的时候，就在很多戏剧中扮演角色了。
7、当问到成功的秘诀时，他把他的成功归功于勤奋。
8、尽管他身体不好，他学习还是很努力。
9. 当葡萄成熟之后就会很好吃。
10. 虽然年纪轻轻，但他能养活自己。
状语从句的省略
状语从句的省略有以下几种情况：
（1）状语从句的主语与主句的主语一致，同时从句中又含be 则通常可省去从句中的主语和动词be ，留下其余部分。
e.g.1.She stood at the gate as if （she was ）waiting for someone. 她站在门口好像在等人。 e.g.2. The man , while （he is ）over eighty, can walk faster than I .这人虽年过八十，却比我走得快。 e.g3. Don’t speak until （you are ）spoken to. 有人对你说话时你才说。
（2）若状语从句主语是it ，动词是系动词be ，则通常可省去主语it 及系动词be ，留下其余部分。 e.g.1. Though (it was) cold，he still wore a shirt．天气虽然冷，他还穿一件衬衫。 e.g.2. If (it is) so，you must get back and get it．如果这样的话，你必须回去把它拿来。 e.g.3. Everything went on better than (it had been) expected．一切进展得比预料的顺利。 e.g.4. No matter how difficult(it may be)，we are determined to carry the research to the end．
（3）状语从句中的部分内容若与主句的部分内容相同，可将从句中的此部分内容省去。 e.g.1. He has no money．If (he has) any，he will give us．他没有钱，如果有，他会给我们的。 e.g.2. Some flowers shut up at night as if (they did this in order) to sleep．
练习：
1.NO matter how frequently ______ , the works of Beethoven still attract people all over the world .
A. Performed B. performing C. to be performed D. being performed
2. -----Have you got any particular plans for the coming holiday?
----- Yes, _______, I’m going to visit some homes for the old in the city.
A. If ever B. If busy C. If anything D. If possible
3. – Who should be responsible for the accident?
– The boss, not the workers. They just carried out the order _____.
A. as told B. as are told C. as telling D. as they told
4. _______ , the experiment is sure to succeed .
A. If carefully doing B. If it done carefully
C. If carefully done D. If it doing carefully
5. --I hear that Bai Shan can't afford his schooling this fall .
--_________ , let's do something for him .
A. If so B. Where possible C. When necessary D. What a shame
6.When______, the museum will be open to the public next year.
A. completed B. completing C. being completed D. to be completed
7.Unless______ to speak, you should remain silent at the conference.
A. invited B. inviting C. being invited D. having invited
8.If______ the same treatment again, he is sure to get well.
A. giving B. give C. given D. being given
9.It shames me to say it, but I told a lie when______ at the meeting by my boss.
A. questioning B. having questioned C. questioned D. to be questioned
10. When first______ to the market, these products enjoyed great success.
A. introducing B. introduced C. introduce D. being introduced
11. The boy will make a lot of trouble when_____alone.
A.leaving B.leave C.left D.beingleft
12.Try to explain this new theory and give actual examples_____.
A.if it needed B.when necessary C.where they are possible D.when you are possible
13.If___，the experiment will be successful.
A.do carefully B.did carefully C.carefully done D.doing carefully
14._____in the dark ，he hit against a tree.
A.When walking B.When he was walking C.Walked D.He was walking
15.---Will you go and attend her party ？---No ，___invited to.
A.If B.when C.for not D.Even if
16.You mustn't touch it unless____.
A.asking to do B.asked to C.asking to D.to be asked
翻译：
1、除非受到邀请, 他才肯来
2、一旦看到, 就再也不会忘记它。
3、虽然他七十多岁了, 但身体仍然很好。
4、她匆忙地离开了房间, 好像生气了。
5、他取得了比预想还要大的进步。
6、当他还是一个学生的时候，就在很多戏剧中扮演角色了。
7、当问到成功的秘诀时，他把他的成功归功于勤奋。
8、尽管他身体不好，他学习还是很努力。
9. 当葡萄成熟之后就会很好吃。
10. 虽然年纪轻轻，但他能养活自己。