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English for Intermediate Students - CEFR B1 - Lesson 8 of 25

Modals of Obligation: Have to, Must, Need to

Read and listen to four conversations using the grammar.

Conversation 1

Man: I have to work today.
Woman: Really. I don’t have to.
Man: I better go. I need to get ready.
Woman: When do you start?
Man: At noon, but I have to leave early to beat the traffic.
Woman: Yeah, you need to get going.

Conversation 2

Man: What do you have to do today?
Woman: I have to clean my house.
Man: Really, it looks clean.
Woman: No, I need to dust, I need to clean the bathroom and I have to do laundry.
Man: Well, you seem busy, so I must be going.
Woman: Yeah, I need to get started, but call me later.

Conversation 3

Man: We need to pay this bill.
Woman: Why? We don’t have to pay it.
Man: Yes, we do. We must.
Woman: No, it’s not a bill, just a donation.
Man: But if we don’t pay it, we will look bad.
Woman: No, we won’t. You mustn’t think that way.

Conversation 4

Man: What must we do today?
Woman: We have to mail these letters.
Man: Anything else?
Woman: Yeah, you need to pick up the kids from school.
Man: I can’t. I have to work.
Woman: OK, I can do it then. I have to go by the school anyway.

Need to / Have to / Must

need to - shows an action is important and necessary.

(Q) What do we need to bring?
(A) You need to have a swimsuit.
(N) You don’t need to wear a cap.

(Q) Do we need to show ID?
(A) Yes, you do.
(N) No, you don’t.

have to- shows an action is important and necessary.

(Q) What do you have to do?
(A) I have to clean my rooms.
(N) I don’t have to finish today.

(Q) Do you have to go?
(A) Yes, I have to. / Yes, I do.
(N) No, I don’t (have to)

not have to - shows an action is not necessary

You don’t have to come.
You don’t have to read that.
You don’t have to help

must - shows an action is important and necessary.

(Q) What must we do?
(A) You must try harder,
(N) You mustn’t do that again.

must not - shows an action is forbidden or should not be done.

You mustn’t be late.
You mustn’t make say that!
You mustn’t trust him!

Answer these questions about the interview.
More Grammar Conversations for Intermediate Students (B1)

Grammar Listening Practice


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B1-06 Want to / Would like to
I’d like to be a chef. I want to have my own restaurant.

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B1-07 Present Perfect - Experiences
I have been to Japan, Korea and China.

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B1-08 Modals of Obligation
What do you have to do today?

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B1-09 Zero Conditional
When it snows, do you go skiing?

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B1-10 First Conditional
Well, if it rains, we will play in the gym.

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