must have to – English Grammar Solution

May have/Might have and Must have: Modals

by adminNovember 13, 2021May 20, 20235,121

May have/Might have and Must have

Modals: “May have/might have and Must have” are used to express the possibility or chances of work being done in the past.

Might have–20 to 40% guess of something means chances were less to complete the task. “Might have” used for a complete guess or speculation for the past situation.

May have–50 to 60% chances of doing work. It shows more chances to complete the job.

Must have -
It makes sure that action takes place with strong affirmation. It is sure that action definitely happened.

Structure for May have/Might have and Must have

Subject + may have/might have/ Must have + action III + object

We think it’s probably that action happened, but we don’t know. It means it was possibly done.

For examples:

Did you see him stealing my keys? No, I didn’t. He may have stolen my keys.	Did you drive him to the railway station? Yes, I did. He may have reached Kanpur.
He might have gone home. (It’s less possible that he went home).	He studied with me. He may have got a job.
He told me a lie; he might have hidden the truth.	He revealed the secret of the company; he may have been paid money by another party.
She broke up with me. She may have connected with another guy.	He liked my golden watch; he might have stolen it in my absence.
She went to the cinema; she may have watched the movie with John.	The result was declared. He didn’t tell me. He may not have got good marks in the exams.
He may have left him alone on the way due to his rude behaviour. She might have left him in a lurch. (rare chance to leave him alone).	He may have fought with Radhika due to her other extramarital affairs.
He left India. He might have been settled abroad.	He might have come to attend the meeting there.
He may have reached Hyderabad for the next assignment till now.	I have to go right now. She may have cooked food.
She didn’t attend the class yesterday, so her teacher may have scolded her.	Gagan Sahrawat might have completed his post-graduation by now.
His friend might have retaliated with his enemy till now.	Prabhat Ujjwal might have confided his partner from his business plans.
He knew the fact. Therefore, he may have assured Panchayat.	He is going to attend the party that’s why he might have refused to come here.
The mother didn’t take her son’s money. Therefore, he might have gotten angry or got offended.	Gagan was doing before two years post-graduation. He must have completed it.
Gaurav Maheshwari, who is my friend, was learning Spanish previously. He was in the course’s mid. He is very brilliant. He must have learned Spanish.	He might have gone to the concert. (It is possible that he has gone to a concert, but it is also possible that he has gone somewhere else.)

“May have to and might have to” are used to express compulsion/obligation.

Sub + may have to/might have to + m.v.3 + obj.

He might have to change his location.	They might have to go to Chennai for other business plans.
She may have to shift from here.	Leave the office now. We may have to get ready soon for the party.

Must have

It is used to denote opinions based on known facts. It expresses past situations.

He met me on the way. He must have reached there.	He was brilliant. He must have solved the puzzle. I saw you there. You must have met him yesterday.
Rohtash Chauhan, who is my teacher, was running his institute of English. He was thinking of opening a new centre as well. He discussed and offered me a job before the opening. But I moved to Jaipur. I think he must have opened the English spoken institute.	She was pleased. She must have been selected for a job.

Click here to see the examples of Passive sentences of May have/Might have and Must have

Passive Voice of Modals – English Grammar (grammarsolution.com)

Exercise Of Modal Verbs (May have/Might have and Must have):

Choose suitable options.

I don’t have much knowledge about him. He ……….

a. Must have shifted to somewhere else’s.

b. Might shift to somewhere else’s

c. Might have shifted to somewhere else’s

2. He is not very intelligent. I think he ……. got selected in government by paying a bribe.

a. must have

b. might have

c. might

3. My wallet isn’t in my pocket. It …….. been left in the train.

a. may

b. must have

c. might have

4. Did you see him playing football there? I didn’t see him but my brother who plays with him. He ………. Seen him playing.

a. may have

b. might

c. must

d. may

5. The thief entered the house. Mr Morari woke up. He ………. Heard a crunch (sound).

a. must have

b. might have

c. may

d. might

6. He has got selected in IIT. He ……….. studied a lot.

a. might have

b. may have

c. must have

d. might

7. He had got cold. It was raining heavily last night. I saw him going outside. He ………. wetted in the rain.

a. may have

b. must have

c. may be

d. might have

8. Hearing a sound, He entered the room, and He speculated that she ………….committed suicide.

a. must have

b. may have

c. might have

d. might

9. My brother guessed that I ……….. stolen his wallet.

a. must have

b. might have

c. may have

d. must

10. He became an IPS officer. He ………. Kept distance with social media websites.

a. must have

b. may have

c. might have

d. may

by adminNovember 12, 2021May 15, 20236,510

Should vs ought to vs must

Use of Should

‘Should’ is used to denote giving our asking for advice means suggestion:

You should start doing Yoga every day.	He should be polite.
You should speak English while facing the interview.	Being a teacher, you should update your knowledge to make your students wise than other students.
He feels hesitation. He should be outspoken.	You shouldn’t be rude to your kids.
Being a good doctor, he should treat and behave properly with his patients.	He shouldn’t allow her child to go out at night.
Being a good student, you should be polite and dedicated to your study.	You shouldn’t take liquor in more quantity.
He should be punctual.	Her sister should take medicine regularly.
Her mother shouldn’t cook spicy food, which is not suitable for her health at all.	Should I talk to him and express the incident?
I should wait for a while.	You should not argue with elders.
He shouldn’t talk and drive.	You should learn Spanish to get a handsome salary.

Should vs Ought to vs Must – ‘Should’ is used to denote Duty/obligation

He should attend the meeting.

He should tell the information.

He should reach on time.

One Promise should be kept.

He should tell his problem.

‘Should’ is also used past sense of shall that expresses Future in the past:

I told him that I should play chess.

Didn’t I mention you that I should narrate a story?

I told her that I should read a novel.

Note: Above sentences are mentioned used in indirect speech.

Direct speech: I said, “I shall not go with him there.”

Indirect speech: I said that I should not go with him.

My father said to me,” will you buy a new laptop,.”

My father asked me if I should buy a new laptop.

Must

‘Must’ is used to express which is necessary or very important that happens in present or future (in the place of should):

If you want to reduce your fat, you must run every day.	You must work hard in your study.
You must attend the classes regularly.	She is weak. She must take breakfast.
He must attend the conference.	The Great Khali must prepare for competition.
You mustn’t tell a lie to me.	She mustn’t dine out.
He mustn’t run in the school’s corridor.	You mustn’t abuse your neighbours.
She mustn’t beat her child.	You mustn’t lend him money. He won’t return you.
She mustn’t go to in-laws.	You mustn’t take oily food.

‘Must’ is used to denote emphasizing an opinion:

I must say, it was a terrible experience of the zigzag tunnel.	In my view, Society must be more secure. Otherwise, Robbers may rob the other houses.
I must say, you are really such a nice person; I have never met any person like you in my entire life before.	I must admit, I didn’t concern him to be generous when I had met him first in Rohan’s wedding ceremony.
In my opinion, He must join the army.	He must admit his mistake.
I would say he must prepare for a marathon.	I would say she must prepare for an IAS competition.

‘Must’ is used to express what is stated or want to say, that is a good idea. You find another wants to give priority to doing the task:

You must visit your uncle’s home.	You are good at sketching; you must join a designing course which is one of the best options to enhance your skills.
Let’s go to the theatre. We must watch Avenger; End game. It’s a worldwide famous movie.	If you want to go abroad for further study, you must complete your higher study at Stanford University.

‘Must’ is used as a noun when something is very necessary:

It is a must to deposit money right now.	This task is a must to complete at once.
This project is a must for us.	Nothing is a must here. Do whatever you want to do.

Strong possibility: ((Should vs ought to vs must)

It’s 8 o’clock; he must be in the class.	He must be his father.
She must be sixteen.	She must be pregnant.
He must be a cynic.	He must be outspoken.
They must be French.	She must be a reporter.
It must be a thermometer.	They must be detectives.
He has a BMW car. He must be rich.	He must be an architect.

Progressive forms: (Should vs Ought to vs Must)

He must be joking.	Raju must be running in the ground.
She must be taking lunch now.	He must be attending the class in a computer centre.
He must be playing football.	She must be making a speech at the conference. His father is not here. He must be playing a video game at home.

Ought to (Should vs Ought to vs Must)

‘Ought to’ is generally used for should and must. It is used for a strong feeling of moral duty or denoted to correct the actions.

You ought to serve your country from the bottom of your heart.	You ought to obey your parents
You ought to love your wife.	They ought not to beat juniors.
You ought to take care of your mother.	We oughtn’t to jump the traffic light.
She ought to come to school on time.	We ought to follow traffic rules.

Purpose:

Drive carefully lest you should collide with other transport.	Do study constantly lest you should fail in your schooling.
You are not allowed to leave the hotel lest you should be attacked.	Go there on time lest you should miss the train.
Work with all your efforts lest you should lose your money on this project.	Reach at assembly on time lest you should miss the prayer.

‘Should’ is also used to denote condition “in the sense of IF.”

‘Should’ you study in wee hours, you will get good marks in your exams.

‘Should’ you run every day, you will reduce your fat.

Exercise I:

Complete the sentences with the help of some listed modal verbs (Should vs ought to vs must) below:

Can, Might, must, could, have to, should,

1. He travelled up to 500 miles. He ………. be tired after a long journey. He ……… go to bed early at night.

2. My friend doesn’t have an interest in watching movies at the theatre. If you convince him. He ………… join us.

3. My friend has known this city for a long time. He …….. know these places.

4. Don’t climb the mountain, you ……….. fell.

5. She doesn’t know how to speak English. She ………. not explain to English man.

6. If he goes with us, we ……… help him with money.

7. Don’t be over smart; you…….. fail in solving the puzzle.

8. Having finished his work, he ……….. not go outside late at night.

9. You look powerful. ………. you lift this box?

10. He is brilliant. He ……… solve this puzzle in a few seconds.

11. When I was young, I …….. walk for ten miles every day.

12. When my brother was studying in the fifth standard. He …….. speak English fluently.

13. We ……… do Yoga for our internal health.

14. If he doesn’t study, he ……… also fail this year again.

15 . Teacher says to us that we ……….. obey the parents.

Exercise II:

Complete the sentence with the given hints (Should vs ought to vs must).

1. ‘Should’ you ………. (study) five hours a day, you will get success in your competition. (condition)

2. You ………… love your kids. (moral duty)

3. Solve the sums carefully lest you ………. Make mistakes. (purpose)

4. She ………… look after her mother-in-law. (moral duty)

5. He must be ………(hide) the truth.

6. She must ………. Studying now.

7. We ……… follow the instructions of government policy due to the covid 19 virus. (moral duty)

8. We …………. tease the poor. (moral duty)

9. In my view, Indians ……… not go outside unnecessarily. Citizens …….. stay at home due to the coronavirus.

10. You ……….. learn English. It will help you in your interview. (advice)