英语学习资料:新概念英语一册自学笔记Lesson129-130
1.Where do you think you are?你认为你现在是在哪儿?do you think 是用在特殊疑问句中的插入语，用来征询见解或表达看法。因为句中插入语已经是疑问式，主谓倒装了，所以you
are的位置不能再对调了。插入语一般是对句子加一些附加的解释，在句子中作独立成分。常用来作插入语的结构有I hope, I think, I'm afraid,
you know等。插入语可以位于句尾或句中，有时也可出现在疑问句中。
2.must have been doing sth.,一定/准是在做某事。
这种结构用来表示对过去正进行的事情的推测。下文中的can't have been是 can't have been
driving的省略式，在意思上与must have been driving正相反。
3.That's why I didn't see the sign.所以我才没看见那牌子。
why I didn't see the sign作is的表语从句，以why引导的从句用来解释事情的原因。
4.…you'd better take my advice!……你最好还是听从我的劝告吧!
take one's advice是“听从劝告”的意思。
新概念英语第一册129-130课语法知识点 Grammar in use
表示猜测和推断的情态助动词must和can't(2)
must与can't不仅能表达对现在和将来的猜测和推断，而且能表达对过去的猜测和推断——这时可用 must have
been表示肯定的推断，用can't have been(而不是mustn't have
been)来表示否定的推断，如后面跟进行时则表示对过去正在进行的动作的猜测。请看例句：
You must have been driving at seventy miles an hour.
你当时肯定正以每小时70英里的速度行驶。
I didn't see it. I must have been dreaming.
我没看见。我当时一定是在胡思乱想吧。
She can't have been 29.She must have been 36.
她那时肯定不会是29岁，她一定36岁了。
He can't have been reading. He must have been sleeping.
他那时肯定不是在看书，他准是在睡觉。
新概念英语第一册129-130课重点单词详解 Word study
1.charge v.
(1)罚款;使承受经济负担：
He was charged by the policeman for speeding.
他因开车超速而被警察罚款。
(2)要(价);收(费)：
The hotel charged them ￡ 900 for one night.
饭店向他们索要900英镑作为住一晚的费用。
(3)指控;指责：
They charged him with murder.
他们指控他犯了谋杀罪。
2.dream v.
(1)做梦;梦见：
He dreamt about his grandmother last night.
他昨天夜里梦见他的祖母了。
Do you often dream at night?
你晚上经常做梦吗?
(2)梦想;幻想：
She dreamed that one day she would be as free as a bird
她幻想着有一天自己能像鸟儿那般自由。
I once dreamed of becoming a famous doctor.
我曾一度梦想着成为一位著名的医生。
(3)出神;心不在焉;空想：
Don't dream away your life!
不要在想入非非中虚度你的人生。
Sorry, I didn't see the sign. I must have been dream ing.
对不起，我没看见那牌子。我一定是思想开小差了。
3.wave v.
(1)招手;挥手示意：
He waved us quiet.
他挥手要我们别出声。
She waved me goodbye.
她向我挥手告别。
(2)起伏;飘动：
The flag is waving in the wind.
旗帜正在风中飘扬。
She was attracted by the waving sea.
她被那汹涌起伏的大海吸引。
新概念英语第一册130课课后练习答案 Key to written exercises
A
1 He didn't come to work yesterday. He must have been ill.
2 He didn't come to the office this morning. He had to stay at home.
3 I don't think she was Austrian. She must have been German.
4 I lost my pen so I had to buy a new one.
5 He forgot his case so he had to return home.
6 She didn't hear the phone. She must have been sleeping.
B
1 I don't think they were. They can't have been Canadian.
They must have been Australian.
2 I don't think she was. She can't have been Finnish.
She must have been Russian.
3 I don't think they were. They can't have been Japanese.
They must have been Chinese.
4 I don't think they were. They can't have been butchers.
They must have been bakers.
5 I don't think she was. She can't have been a dentist.
She must have been a doctor.
6 I don't think he was. He can't have been a sales rep.
He must have been the boss.
7 I don't think she was. She can't have been seventeen.
She must have been twenty-one.
8 I don't think they were. They can't have been five.
They must have been seven.
9 I don't think he was. He can't have been seventy-six.
He must have been over eighty.
10 I don't think she was. She can't have been fifty-five.
She must have been under fifty.
11 I don't think it was. It can't have been the 17th yesterday.
It must have been the 16th yesterday.
12 I don't think it was. It can't have been Tuesday yesterday.
It must have been Wednesday yesterday.
13 I don't think it was. It can't have been the 19th yesterday.
It must have been the 20th yesterday.
14 I don't think it was. It can't have been cheap.
It must have been expensive.
15 I don't think it was. It can't have been easy.
It must have been difficult.
16 I don't think she was. She can't have been old.
She must have been young.
17 I don't think he was. He can't have been ill.
He must have been tired.
18 I don't think they were. They can't have been listening to the
radio.
They must have been watching television.
19 I don't think she was. She can't have been retiring.
She must have been looking for a new job.
20 I don't think they were. They can't have been sitting.
They must have been standing.
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