Question

Fill in the blanks using MUST, CAN’T, MAY, MIGHT, COULD and PAST FORMS of
them:

1. Sally looks sad and worried. She _____. (have) a problem
with something.
2. Bob _____ (be) at school because I haven’t seen him today.
3. Mr. Treves hasn’t come to work yet. He has never been late for work. He _____ (miss) the bus.
4. Timmy is a very good boy. He isn’t naughty, so he _____ (break) that window.
5. Someone else _____ (break) it.
6. I’m sure that I dropped my key in the car. It _____ (be) there at the moment.
7. The street is wet this morning. I’m not sure but it _____ (rain) last night.
8. A: I talked to your science teacher at school yesterday.
B: You _____ (talk) to her because she wasn’t at school yesterday.
9. A: The man was being taken to hospital. He _____ (have) an accident.
B: Yes, I’m sure he had an accident.

Answer 1

Answer:

1. Must be having

2.must be

3.I could have

4. might have missed

5. must have listen

6. might have broken

Answer 2

The answer is as follows:

1) Sally looks sad and worried. She must have a problem with something.

2) Bob can't be at school because I haven't seen him today.

3) Mr. Treves hasn't come to work yet. He has never been late for work. He must've missed the bus.

4) Timmy is a very good boy. He isn't naughty, so he can't have broken that window.

5) Someone else must have broken it.

6) It must be there at the moment.

7) I'm not sure but it may have rained last night.

8) You can't have talked to her because she wasn't at school yesterday.

9) He might have had an accident.

• Modal verbs are verbs that showcase intent, possibility, or accessibility, i.e. the chance of a situation happening. eg: must, should, might, etc.

• A verb in English grammar is a word used to describe an action, it is usually said to be an action word. it is a state of being, a state of occurrence.
• Tenses are used to indicate at what time an event is occurring. It is classified as past, present, and future with further classifications among the three.
• Past forms or past tense of a word is used to indicate an event that has already occurred.

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