译林版八年级英语下册期中复习讲义 Unit 4 A good read 考点13：must与have to的辨析含答案

这是一份译林版八年级英语下册期中复习讲义 Unit 4 A good read 考点13：must与have to的辨析含答案，文件包含百校二B道法试卷pdf、百校二B道法答案pdf等2份试卷配套教学资源，其中试卷共10页， 欢迎下载使用。
一、基本含义对比
must：表示“必须”，强调说话人的主观看法，即“我认为有必要”。
have t：表示“不得不”，强调客观需要或外界要求，即“环境迫使我必须做”。
I must finish my hmewrk. (我自己觉得必须完成)
I have t finish my hmewrk. (老师要求或作业太多，不得不做)
二、用法详细对比
1. 来源不同
— must：主观义务，说话人认为有必要。
— have t：客观需要，外界条件迫使。
Yu must see a dctr. (我认为你应该去看医生)
I have t see a dctr. (我生病了，不得不去看)
2. 否定形式不同
— mustn't：表示“禁止，不允许”，语气强烈。
— dn't have t：表示“不必，没必要”，相当于needn't。
Yu mustn't smke here. (禁止吸烟)
Yu dn't have t cme if yu're busy. (不必来)
3. 时态变化不同
— must：没有过去式，也没有将来式。表示过去“必须”用had t；将来用will have t。
— have t：有人称、数和时态的变化。第三人称单数用has t，过去式用had t，将来式用will have t。
He had t wrk late yesterday. (昨天不得不加班)
We will have t leave early tmrrw. (明天将不得不早走)
4. 疑问句形式不同
— Must 回答：Yes, yu must. / N, yu needn't. 或 N, yu dn't have t.
— D/Des/Did I have 回答：Yes, yu d/des/did. / N, yu dn't/desn't/didn't.
Must I finish tday? — N, yu needn't. (不必)
D I have t wear a unifrm? — Yes, yu d.
三、经典例题解析
例1： Yu ______ smke here. Lk at the sign “N Smking”.
A. must B. mustn't C. have t D. dn't have t
答案：B。解析：根据“禁止吸烟”标志，表示禁止，用mustn't。
例2： I ______ finish the reprt tday. The bss needs it tmrrw mrning.
A. must B. have t C. may D. can
答案：B。解析：老板需要，是客观要求，用have t。
例3： — Must I clean the rm nw? — N, yu ______. Yu can d it later.
A. mustn't B. needn't C. can't D. shuldn't
答案：B。解析：回答must提问的否定用needn't或dn't have t。
例4： He ______ stay up late because he had a lt f wrk t d.
A. must B. had t C. has t D. have t
答案：B。解析：过去时，用had t。
例5： Yu ______ wrry abut me. I can take care f myself.
A. mustn't B. dn't have t C. needn't D. B and C
答案：D。解析：表示“不必担心”，可用dn't have t或needn't。
四、分层精练（共40题）
A组 · 用must, mustn't, have t, dn't have t的适当形式填空（每题1分，共15分）
1. Yu ______ smke in the hspital. It's nt allwed.
2. I ______ finish my hmewrk befre I can watch TV.
3. It's raining utside, s she ______ take an umbrella.
4. Yu ______ cme if yu are busy. I can d it myself.
5. Students ______ arrive n time fr class.
6. He ______ wrk late yesterday because f the prject.
7. Yu ______ tell lies. It's nt gd.
8. We ______ hurry. The train leaves in ten minutes.
9. She ______ wear glasses because her eyesight is pr.
10. Yu ______ pay fr the meal. It's my treat.
11. Drivers ______ stp when the traffic light is red.
12. I ______ get up early tmrrw because I have a meeting.
13. Yu ______ play with fire. It's dangerus.
14. They ______ leave early t catch the bus.
15. Yu ______ finish all the wrk tday. Yu can d sme tmrrw.
B组 · 单项选择（每题2分，共16分）
1. Yu ______ crss the rad when the traffic light is red.
A. must B. mustn't C. have t D. dn't have t
2. I'm feeling terrible. I ______ see a dctr.
A. must B. have t C. may D. can
3. — Must I return the bk tmrrw? — N, yu ______. Yu can keep it fr anther week.
A. mustn't B. needn't C. can't D. shuldn't
4. He ______ stay up late t finish the reprt last night.
A. must B. had t C. has t D. have t
5. Yu ______ wrry abut me. I'm fine.
A. mustn't B. dn't have t C. needn't D. B and C
6. Students ______ wear unifrms in this schl.
A. must B. have t C. may D. can
7. — D I have t clean the rm? — Yes, yu ______.
A. must B. have t C. d D. are
8. We ______ leave nw, r we'll be late fr the mvie.
A. must B. have t C. may D. can
C组 · 句型转换（每题2分，共10分）
1. Yu mustn't smke here. (改为祈使句)
______ ______ here.
2. I have t finish the wrk tday. (改为否定句)
I ______ ______ ______ finish the wrk tday.
3. He had t leave early yesterday. (改为一般疑问句)
______ he ______ t leave early yesterday?
4. Must I cme t the meeting? (作否定回答)
N, yu ______. / N, yu ______ ______ ______.
5. She has t wear glasses. (对划线部分提问)
______ des she have t ______?
D组 · 根据汉语完成句子（每题2分，共10分）
1. 你必须在图书馆保持安静。
Yu ______ keep quiet in the library.
2. 她昨天不得不加班到很晚。
She ______ ______ wrk late yesterday.
3. 你不必等我了。先走吧。
Yu ______ ______ ______ wait fr me. G first.
4. 禁止在教室里跑。
Yu ______ run in the classrm.
5. 我们必须保护环境。
We ______ prtect the envirnment.
E组 · 语篇填空（每空1分，共10分）
Dear students,
Welcme t ur schl library. Here are sme rules yu ______ (1) fllw. First, yu ______ (2) talk ludly in the library. Please keep quiet. Secnd, yu ______ (3) eat r drink in the library. Third, yu ______ (4) return the bks n time. If yu ______ (5) return them late, yu will pay a fine. Yu ______ (6) brrw up t five bks at a time. Yu ______ (7) have a library card t brrw bks. If yu dn't have ne, yu ______ (8) apply fr ne at the frnt desk. Yu ______ (9) wrry abut the cst — it's free. But yu ______ (10) take gd care f the bks.
F组 · 改错（每句只有一处错误，找出并改正，每题2分，共10分）
1. Yu mustn't t smke here. It's nt allwed.
2. I have t finished the wrk .
3. Must I have t wear a unifrm? — N, yu needn't.
4. She desn't have t cmes if she is busy.
5. Yu must wrry abut me. I can take care f myself.
G组 · 情景对话填空（每空1分，共8分）
A: Mum, (1) ______ I g ut t play with my friends?
B: Have yu finished yur hmewrk?
A: Nt yet. But I nly have a little left.
B: Yu (2) ______ finish yur hmewrk first. Then yu can g ut.
A: (3) ______ I finish it all tday?
B: Yes, yu (4) ______. It's imprtant.
A: What if I can't finish it?
B: Then yu (5) ______ stay at hme and finish it. Yu (6) ______ wrry — yu can d it. I believe in yu.
A: OK. I (7) ______ hurry up.
B: Remember, yu (8) ______ leave yur rm until yu finish. Gd luck!
H组 · 经典例题再练（每题2分，共10分）
1. Yu ______ smke here. Lk at the sign “N Smking”.
2. I ______ finish the reprt tday. The bss needs it tmrrw mrning.
3. — Must I clean the rm nw? — N, yu ______.
4. He ______ stay up late because he had a lt f wrk t d.
5. Yu ______ wrry abut me. I can take care f myself.
参考答案
A组：
1. mustn't 2. have t 3. has t 4. dn't have t 5. must/have t 6. had t 7. mustn't 8. must/have t 9. has t 10. dn't have t 11. must/have t 12. have t 13. mustn't 14. Have t 15. dn't have t
B组：
1. B 2. B 3. B 4. B 5. D 6. B 7. C 8. A
C组：
1. Dn't smke 2. dn't have t 3. Did; have 4. needn't; dn't have t 5. What; d
D组：
1. must/have t 2. had t 3. dn't have t 4. mustn't 5. must
E组：
1. must/have t 2. mustn't 3. mustn't 4. must/have t 5. have t 6. can/may 7. must/have t 8. have t 9. dn't have t 10. must
F组：
1. 去掉t (mustn't smke) 2. finished → finish (have t d) 3. 去掉have t (Must I wear...) 4. cmes → cme (have t d) 5. must → needn't / dn't have t
G组：
1. may/can 2. must/have t 3. Must/D I have t 4. must 5. will have t 6. dn't have t 7. must/have t 8. mustn't
H组：
1. mustn't 2. have t 3. needn't / dn't have t 4. had t 5. dn't have t / needn't