内容正文:
Unit 2 A Look into the Past 单元语法专项训练
2026—2027学年 人教版九年级英语下册
训练重点:情态动词表示推测;现在与过去的可能性 姓名__________ 班级__________
一 规则填空
1. must表示较有把握的肯定推测,意为“______;准是”。
2. may、might、could可表示“______”。
3. can't表示较有把握的______推测。
4. mustn't通常表示“______;不准”,不用于表达“不可能”。
5. 情态动词后接动词______;表示状态时常用be。
6. might have been可用于对______情况的可能性进行推测。
二 基础填空
用括号内所给词的适当形式填空,或根据提示填写正确的词。
1. The object ______ be valuable; the expert says it is extremely rare. (must / mustn't)
2. This ______ be Li's notebook. His is red, but this one is blue. (can't / mustn't)
3. The mark might ______ (mean) something important.
4. The bowl could ______ (be) from an old palace.
5. It may have __________ (belong) to a local family.
6. The room might have ______ (be) a kitchen.
7. You _________ touch the objects. The sign says “Do not touch”. (can't表示推测 / mustn't)
8. The owner ______ have been a farmer, but we aren't sure. (might / must)
9. This can't ______ (be) the original painting; it is a modern copy.
10. The missing piece may ______ (help) us understand the object.
三 单项选择
1. The lights are on and I can hear him inside. He ____ be at home. (较有把握的推测)
A. can't B. must C. mustn't D. needn't
2. This ____ be the ancient original. It was made last week.
A. must B. should have C. can't D. mustn't
3. The symbol ____ mean “water”, but the researchers aren't sure.
A. mustn't B. can't C. must D. might
4. You ____ take photos here. It is against the museum rules.
A. might not be B. mustn't C. can't be D. must have
5. The small room could ____ a storage room in the past.
A. have be B. has been C. have been D. be being it
6. The object may ____ from another country.
A. come B. came C. coming D. comes
7. Which sentence expresses an uncertain possibility?
A. You mustn't use the instrument. B. It must be a musical instrument.
C. It might be a musical instrument. D. It can't be a musical instrument.
8. “He can't be the owner.”中的can't表示____。
A. 不准拥有 B. 过去没有能力 C. 必须离开 D. 不可能
9. The king might have ____ this room for meetings.
A. use B. uses C. using D. used
10. Which sentence is correct?
A. The mark may has been added later. B. The mark may have been added later.
C. The mark may have be added later. D. The mark may been added later.
11. The book must ____ very old; its earliest owner lived 300 years ago.
A. be B. is C. being D. was
12. Which word normally expresses prohibition rather than deduction?
A. mustn't B. could C. may D. might
四 句型转换与完成句子
1. Perhaps the object is a tool.(用might改写)
The object ___________________.
2. It is impossible that this is the original.(用can't改写)
This ___________________________.
3. I am almost certain that the owner was rich.(用must have been改写)
The owner ________________________.
4. Perhaps the room was a kitchen.(用could have been改写)
The room ________________________________.
5. The sign says, “Do not touch.”(用mustn't改写对游客的规定)
Visitors ________________________________.
6. 这个符号可能来自另一个地区,但我们并不确定。(用may、come完成句子)
This symbol __________ from another area, but we are not sure.
五 语篇填空
按提示选择情态动词,或用括号内词的适当形式填空。
We found a metal object in the museum store. It (1) ________ (can't / mustn't) be made of wood because it is clearly metal. It (2) ________ (might / must) be part of a tool, but we are not sure. The guide says it could have (3) ________ (be) used in a workshop. A mark may (4) ________ (show) who owned it. The name might have (5) ________ (belong) to a maker. Before we can examine it, we (6) ________ (must / might be) wear gloves, according to the handling rules.
参考答案与解析
一 规则填空
1. 一定。不是所有must都表示义务。
2. 可能。证据不足时不宜强行作唯一事实判断。
3. 否定。表示不可能,不是禁止。
4. 禁止。与can't的推测意义区别。
5. 原形。might be old。
6. 过去。have后接过去分词been。
二 基础填空
1. must。根据证据作较有把握的肯定推测。
2. can't。颜色不符,否定身份推测。
3. mean。might后接原形。
4. be。状态推测用be。
5. belonged。may have+过去分词。
6. been。对过去用途作推测。
7. mustn't。规定禁止触摸,用mustn't。
8. might。明确不确定,用might。
9. be。can't后原形be。
10. help。may后接原形。
三 单项选择
1. B(must)。现有迹象支持肯定推测must。
2. C(can't)。现代制作排除古代原件身份。
3. D(might)。明确不确定,选might。
4. B(mustn't)。表示禁止,不是推测。
5. C(have been)。对过去可能状态用could have been。
6. A(come)。情态动词后原形。
7. C(It might be a musical instrument.)。might表示可能而未确定。
8. D(不可能)。此处否定身份推测。
9. D(used)。might have+过去分词。
10. B(The mark may have been added later.)。情态动词+have+been+过去分词。
11. A(be)。must后用原形be。
12. A(mustn't)。mustn't主要表示禁止。
四 句型转换与完成句子
1. The object might be a tool.
保留不确定性。
2. This can't be the original.
否定推测用can't。
3. The owner must have been rich.
对过去状态作较有把握的推测。
4. The room could have been a kitchen.
过去可能性,非确定事实。
5. Visitors mustn't touch the objects.
mustn't表示禁止。
6. This symbol may come from another area, but we are not sure.
may后接原形come。
五 语篇填空
1. can't 2. might 3. been 4. show 5. belonged 6. must
前五空涉及证据强弱、动词形式和过去可能性;第6空是操作规定中的义务must,不是推测。
语篇还原
We found a metal object in the museum store. It can't be made of wood because it is clearly metal. It might be part of a tool, but we are not sure. The guide says it could have been used in a workshop. A mark may show who owned it. The name might have belonged to a maker. Before we can examine it, we must wear gloves, according to the handling rules.
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