B1U2
Ⅱ.重点句型详解
1．While walking the dog, you were careless and it got loose and was hit by a car.你在遛狗的时候不小心让狗松脱了，接着它被一辆小车撞着了。
While walking the dog＝While you were walking the dog，这是状语从句的省略。
在when, while, if, as if, though, as, where, unless等连词(词组)引导的状语从句中，如果谓语动词有be，而主语又跟主句的主语相同或为it时，则从句的主语和be常常省略。
①When (I was) in Japan, I took many beautiful pictures.
在日本时，我拍了许多漂亮的照片。
②While (I was) waiting, I read newspapers.
我边等待，边看报纸。
③If (it were) not for you, we would not go there.
要不是为你，我们就不会去那儿了。
④He looks as if (he were) drunk.他看上去像喝醉了。
⑤She went on working though (she was) exhausted.
尽管她精疲力竭，但仍继续工作。
⑥Fill in the blanks with the given words; change the form where (it is) necessary.用所给词填空，必要的地方改变形式。
⑦I won't go unless (I'm) invited.
除非被邀请，否则我不会去。
[即境活用1] When first ______ to the market, these products enjoyed great success.
A．introducing B．introduced
C．introduce D．being introduced
解析：将从句补全应为When these products were first introduced to the market，主从句主语一致且从句中有be，可以省略主语和be。
答案：B
2．...tell him/her that he/she should have studied...
……告诉他/她本该学习……
should have done结构表示过去应该做某事而事实上没有做；而shouldn't have done则表示过去本不该做某事而实际上却做了，两者皆含有“责备”的口吻。
①You should have finished your homework yesterday.
你昨天就该做完作业。
②You shouldn't have told him about it.
你本来不应该告诉他这件事情。
拓展：其他“情态动词＋have＋done”结构：
(1)must have done对过去发生的事情的肯定推测。“一定……”。
(2)can't/couldn't have done对过去发生的事情的否定推测。“不可能……”。
(3)needn't have done过去没有必要做却做了。“本来没必要做……”。
(4)ought (not) to have done＝should (not) have done
(5)might/may have done过去可能做了某事(可能性小)。“可能做了……”。
(6)could have done过去本可能做而未做。“本来能做……”。
(7)would have done愿意做某事却不能做。“本来想要做……”。
[即境活用2] Oh, I'm not feeling well in the stomach. I ______ so much fried chicken just now.
A．shouldn't eat B．mustn't have eaten
C．shouldn't have eaten D．mustn't eat
解析：由just now可知，本题谈论过去之事。谈论过去之事，在should或must之后接不定式的完成式。must表示推测只用于肯定句中，shouldn’t have done表说话之前不应该做某事，但事实上却做了，含有责备的口气。
答案：C
3．...it was the first time in a year and a half that I'd seen the night face to face...
……这是我一年半以来第一次观察夜晚……
It is/was the first time(that)．..这是一个固定句式，it可换成this或that; first可换成second, third等，以表达不同的意义。
①This is the fourth time she's rung you in a week.
这是她一周内第四次给你打电话。
②It was the second time that he had been out with her alone.这是他第二次单独跟她外出。
③It will be the second time that I have got the prize.
那将是我第二次获得该奖。
提示：(1)It is the first time that...后接现在完成时；It was the first time that...后接过去完成时；It will be the first time that...后接现在完成时。
(2)the first time可起从属连词作用，引导时间状语从句。
The first time I saw her, my heart stopped.
我第一次见到她时，心脏都停止了跳动。
(3)for the first time意为“第一次”，单独用做状语。
He was cheated for the first time.
他第一次被骗了。
[即境活用3] —Have you ever been here before?
—No. This is the first time that I ______ to the Great Wall.
A．comes B．have been
C．came D．had come
解析：This is the first time that...之后的从句需要用现在完成时态。
答案：B
4．Mother asked her if/whether she was very hot with so many clothes on.妈妈问她穿这么多衣服是不是很热。
“with＋n.＋形容词/副词/介词短语/分词/动词不定式”这种结构在句中经常做状语，表示原因、方式或伴随状态。如果分词的动作与前面的名词是主动关系，用现在分词；如果是被动关系，则用过去分词；如果表示一个未来的动作就用不定式。
①He lay on his back, with his eyes looking up into the sky. 他躺着，眼瞅着天空。
②With his homework done, he went out to play.
完成作业，他就出去玩了。
③With the guide to lead us, we'll have no difficulty finding his house.
有导游带路，我们将不费力地找到他家。
④He came in, with a book in his hand.
他手里拿着一本书走了进来。
⑤He is used to sleeping with the windows open.
他已经习惯了开着窗户睡觉。
⑥He often sleeps with the light on.
他经常开着灯睡觉。
[即境活用4] ______ five minutes ______ before the last bus left, we arrived at the station.
A．There were; go B．With; to go
C．It was; left D．It had; left
解析：本题考查with的复合结构，即“with＋宾语＋宾语补足语”。本题用不定式做宾补表示将来的动作。句意：在最后一班公交车离开的前五分钟，我们到了车站。
答案：B
B1U2
Ⅱ.重点句型详解
1．Native English speakers can understand each other even if they don't speak the same kind of English. 以英语作为母语的人，即使他们所说的英语不尽相同，也可以相互交流。
句中 even if 相当于 even though, 意为“即使；尽管”，引导让步状语从句。even if/though 引导的从句中可用现在时代替将来时。
①Even if you don't like flowers, you shouldn't miss the flower exhibition.即使你不喜欢花，这次花展你也不应错过。
②We have decided to visit the museum even if it rains tomorrow.我们决定明天去参观博物馆，即使下雨。
拓展：(1)引导让步状语从句的引导词还有 although, though, no matter when/what..., whenever, wherever, however 等等。
(2)as也可以引导让步状语从句，但要把其表语、谓语或宾语前置，且前置的单数名词不可以加冠词。
①Even though you achieve great success in your work, you should not be conceited.
即使你们在工作中取得了巨大的成绩，也不应该自满。
②Whatever you do, do it well.
不管你做什么，把它做好。
③However hot it is, he won't take off his hat.
不管多热，他都不摘下帽子。
④Girl as she is, she can go alone in the darkness.
尽管她是个女孩，她敢一个人走夜路。
[即境活用1] (2007·浙江)Many of them turned a deaf ear to his advice, ______they knew it to be valuable.
A．as if B．now that
C．even though D．so that
解析：even though＝even if “即使”，引导让步状语从句。
答案：C
2．Believe it or not, there is no such thing as standard English. 信不信由你，(世界上)没有什么标准英语。
(1)believe it or not 信不信由你。常在句中做插入语。
(2)no such thing 没有这样的事情。such与 all, no, some, any, few, little, many, much, several, one 等词连用时，应位于它们的后面。
①Believe it or not, he refused to accept our offer.
信不信由你，他拒绝接受我们的帮助。
②There is no such street in the city.
这城市没有那样的街道。
③He said he didn't have time or made some such excuse.
他说他没有时间或别的诸如此类的借口。
[即境活用2] (2009·安徽)I’m amazed to hear from my school teacher again. ______， it is ten years since we met last.
A．In a word B．What’s more
C．That’s to say D．Believe it or not
解析：句意：想不到又一次收到学校老师的来信，信不信由你，我们上次见面还是在十年前。in a word总之；what’s more而且；that’s to say也就是说；believe it or not信不信由你。
答案：D
3. with的复合结构
[应用3] (1)—Come on, please give me some ideas about the project.
—Sorry. With so much work ______ my mind, I almost break down.
A．filled B．filling
C．to fill D．being filled
解析：with复合结构中，work和fill是主动关系，且表示正在进行，因此其后要用doing结构。
答案：B
(2)John received an invitation to dinner, and with his work ______， he gladly accepted it.
A．finished B．finishing
C．having finished D．was finished
解析：根据work和finish是被动关系，可以判断出答案。
答案：A
(3)______ two exams to worry about, I have to work really hard this weekend.
A．With B．Besides
C．As for D．Because of
解析：根据句意，此处应采用“with＋宾语＋不定式”。
答案：A
(4)It was cold outside, the boy ran into the room ______ his nose red.
A．to B．on
C．in D．with
解析：这个句子考查with的复合结构的用法，用“with＋名词＋形容词”做状语表示伴随情况。而to、on、in作为介词则没有这种用法，故排除A、B、C，答案为D。句意是：外面天气很冷，那个男孩跑进了屋子时，鼻子红红的。
答案：D
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