新概念英语第一册 Lesson 125
一、核心知识点
1. 否定疑问句（反意疑问类）
结构：Can’t / Don’t / Won’t you…?
根据事实回答，非按问句逻辑：
（1）Don’t you remember?
- Yes, I do. 不，我记得。
- No, I don’t. 是的，我不记得。
（2）Can’t you come? 你不能来吗？
（3）Won’t you come? 你不会来吗？
2. must 与 have to
（1）must：必须，强调主观意愿、要求
例：You must finish your homework.
（2）have to：不得不，强调客观需要
例：It’s too late. I have to go home.
3. by oneself：独自、单独
例：I’ll have tea by myself.
例：We can solve it by ourselves.
4. mean / That means / It means
mean：意思是，意味着
That means… / It means… 那意味着……
例：That means we have to get up early.
例：It means he made a mistake.
5. don’t need to = needn’t
含义：不必，没有必要
例句：You don’t need to worry.
= You needn’t worry.
6. pleasant & pleased
pleasant：令人愉快的（修饰事物）
pleased：感到愉快的（修饰人）
例：The pleasant weather makes us pleased.
7. surprise
（1）可数名词：a surprise 一件惊喜的事
例：This is a surprise for you.
（2）不可数名词：in surprise 惊讶地
8. instead & instead of
（1）instead：反而、代替（副词，放句首/句末）
例：I didn’t go to the party. Instead, I stayed at home.
（2）instead of：而不是（后接名词/动名词，结构对等）
例：I’ll have tea instead of coffee.
二、练习题
1. 根据中文写单词
（1）惊讶n. ________
（2）非常 ________
（3）干燥的 ________
（4）意思是 ________
（5）讨厌的事/人 ________
2. 翻译句子
（1）真讨厌。
（2）Well, I'll have tea by myself.
（3）这意味着我反倒可以喝茶了。
3. 圈出正确答案
（1）You needn’t ______ for me.
A. wait B. waiting C. waits D. to wait
（2）I'm going to London by ______ next week.
A. me B. mine C. myself D. my
（3）That means you ______ their garden.
A. need not watering
B. need not water
C. need water not
D. don’t need water
（4）He can go quickly instead ______ slowly.
A. by B. of C. on D. in
（5）The summer in Hainan is ______ hot.
A. much B. terrible C. many D. terribly
三、练习题答案
1. 根据中文写单词
（1）surprise
（2）terribly
（3）dry
（4）mean
（5）nuisance
2. 翻译句子
（1）What a nuisance!
（2）好吧，我自己喝茶。
（3）That means I can have tea instead.
3. 单项选择
（1）A
（2）C
（3）B
（4）B
（5）D
新概念英语第一册 Lesson 126
一、核心知识点
1. must 与 have to 的区别
（1）must：情态动词，意为“必须”
have to：助动词，意为“不得不”
- I must study harder to get great grades.
- It's too late now. I have to go home.
（2）must: 无人称、时态变化
强调主观看法、意愿
has to / had to: 有人称、时态变化：
强调客观要求、外界需要
- He has to go to bed before nine o'clock every night.
- The doctor said I had to take medicine on time.
(3) 否定形式与回答
mustn’t：禁止，一定不
don’t have to = don’t need to = needn’t：不必
— Must I get up early tomorrow?
— Yes, you must.
— No, you needn’t. / No, you don’t have to.
二、练习题
1. 用 must / have to 及其否定形式填空
（1）You ________ be honest.
（2）She ________ go there every day.
（3）Everyone ________ talk loudly in the library.
（4）The last bus has left. We ________ walk home.
（5）You ________ tell her to come. She has gone to Beijing.
2. 改写为一般疑问句，并作否定回答
（1）She must leave early.
________________________________
________________________________
（2）She has to decide immediately.
________________________________
________________________________
3. 圈出正确答案
（1）— May I smoke here?
— No, you ________.
A. may not B. mustn't
C. don't have to D. needn't
（2）— Must we go now?
— No, we ________.
A. mustn't B. can't C. may not D. needn't
（3）— I must leave early. What about you?
— I have to leave early, ________.
A. either B. neither C. too D. instead
（4）I have had to wait ________ one hour.
A. for B. in C. with D. on
三、练习题答案
1. 用 must / have to 及其否定形式填空
（1）must
（2）has to
（3）mustn’t
（4）have to
（5）needn’t / don’t have to
2. 改写疑问句并作否定回答
（1）
— Must she leave early?
— No, she needn’t. / No, she doesn’t have to.
（2）
— Does she have to decide immediately?
— No, she doesn’t have to.
3. 单项选择
（1）B
（2）D
（3）C
（4）A
