Must - Have to
1. spends a lot of time playing sports.
2. doesn’t want to drive to practice again.
3. believes that sports are a good way to keep fit.
4. believes needs to study more.
136
We use must:
• in the affirmative and interrogative to express obligation in the present and future.
You must finish your project today.
• in the negative (mustn’t) to express prohibition.
You mustn’t eat in class.
A. Complete with must or mustn’t.
1. Betty has got problems with her teeth. She eat lots of sweets.
2. You turn off the lights if you want to save energy.
3. A: You make noise in the classroom.
B: Yes, and you use your mobile phone during the lesson.
4. Children drink lots of milk. It’s good for them.
5. You drive fast. It’s dangerous.
6. In the summer, you stay in the sun for too long.
7. Salman study hard for the Geography test. It’s going to be difficult.
Have to
I have to go
He/She/It has to go
We/You/They have to go
AFFIRMATIVE
NEGATIVE
I don’t have to go
He/She/It doesn’t have to go
We/You/They don’t have to go
Do I have to go?
Does he/she/it have to go?
Do we/you/they have to go?
QUESTIONS
SHORT ANSWERS
Yes, I do.
Yes, he/she/it does.
Yes, we/you/they do.
No, I don’t.
No, he/she/it doesn’t
No, we/you/they don’t.
We use have to:
• in the affirmative and interrogative to express obligation in the present and future.
Students have to do their homework every day.
• in the negative to express absence of obligation (when something is not necessary).
Don’t / doesn’t have to is not a synonym of mustn’t.
You don’t have to come to work so early. You mustn’t be late for work.
NOTE: • Had to is the past tense of must / have to and expresses obligation in the past.
He didn’t come to the park because he had to study for the Maths test.
• The negative form didn’t have to expresses absence of obligation in the past.
I borrowed Paul’s camera, so I didn’t have to buy a new one.
b
ctivities
137
B. Complete with don’t / doesn’t have to or mustn’t.
1. I wake up early at the weekend. There’s no school.
2. It’s cloudy outside. You wear sunglasses.
3. The baby is sleeping. You shout.
4. Tariq take a taxi to work. I’ll drive him there.
5. People talk on the phone while they’re driving. They might have an accident.
6. Beth buy a new sleeping bag to go camping in the desert. Her mother has got two.
7. You wash that glass. It’s clean.
8. You feed the animals. Look at the sign!
C. Look at the pictures and the prompts and write questions and answers, as in the example. Use have to.
1. Mark / work / evening / ?
No / morning
Does Mark have to work in
the evening?
No, he doesn’t. He has to
work in the morning.
4. John / buy / ticket / ?
Yes
2. Jim / stay / in bed / ?
Yes
3. Carol / study / History / tonight / ?
No / Geography
5. your sisters / clean / room /
every day / ? No / weekend
6. Jim / take out / rubbish / every
morning / ? Yes
138
E. Choose a, b or c.
1. Students go to school at the weekend.
a. mustn’t b. don’t have to c. doesn’t have to
2. Maria to study for a test. That’s why she
didn’t come to my house yesterday.
a. have b. had c. must
3. At school, we keep our desks clean.
a. must to b. has to c. must
Talk in pairs about:
I must do my homework every day.
I don’t have to do the washing-up at home.
• two things you must do every day
• two things you don’t have to do at home
• two things you had to do when you were younger
• two things you mustn’t do at school / in class
Look at the Speaking activity above and write sentences.
Every day I must ...
At home ...
When I was younger ...
At school ...
1. Turki / drive / brother / airport / yesterday
2. Peter / take / rubbish / out / every evening
3. John / buy / new printer / last week
4. Mr Robertson / not work / every Saturday
5. We / not cook / last Saturday
6. Jane / stay / bed / last weekend
D. Read the prompts below and write sentences. Use have to in the correct tense.
peaking
riting
Turki had to drive his brother to the
airport yesterday.
4. You to be quiet in the library.
a. have b. had c. must
5. When I was younger, I do any housework,
but now I do.
a. mustn’t b. don’t have to c. didn’t have to
6. You use the laptop. There’s something
wrong with it.
a. don’t have to b. mustn’t c. didn’t have to
139
B. Complete the sentences with the correct form of the verbs in brackets to form Conditional Sentences Type 1 .
1. A: It’s raining! How I (get) to school?
B: Don’t worry! I (drive) you there.
2. I think you (become) an amazing chef one day.
3. A: When I (find) time to take out the rubbish and do the washing-up?
B: Well, I’m leaving now so I (take) the rubbish out for you.
A: Thank you.
4. A: Don’t borrow my things without asking or I (not speak) to you again.
B: I’m sorry, I promise I (not do) it again.
A. Complete the dialogues with the Future will of the verbs in brackets.
1. spends a lot of time playing sports.
2. doesn’t want to drive to practice again.
3. believes that sports are a good way to keep fit.
4. believes needs to study more.
136
We use must:
• in the affirmative and interrogative to express obligation in the present and future.
You must finish your project today.
• in the negative (mustn’t) to express prohibition.
You mustn’t eat in class.
A. Complete with must or mustn’t.
1. Betty has got problems with her teeth. She eat lots of sweets.
2. You turn off the lights if you want to save energy.
3. A: You make noise in the classroom.
B: Yes, and you use your mobile phone during the lesson.
4. Children drink lots of milk. It’s good for them.
5. You drive fast. It’s dangerous.
6. In the summer, you stay in the sun for too long.
7. Salman study hard for the Geography test. It’s going to be difficult.
Have to
I have to go
He/She/It has to go
We/You/They have to go
AFFIRMATIVE
NEGATIVE
I don’t have to go
He/She/It doesn’t have to go
We/You/They don’t have to go
Do I have to go?
Does he/she/it have to go?
Do we/you/they have to go?
QUESTIONS
SHORT ANSWERS
Yes, I do.
Yes, he/she/it does.
Yes, we/you/they do.
No, I don’t.
No, he/she/it doesn’t
No, we/you/they don’t.
We use have to:
• in the affirmative and interrogative to express obligation in the present and future.
Students have to do their homework every day.
• in the negative to express absence of obligation (when something is not necessary).
Don’t / doesn’t have to is not a synonym of mustn’t.
You don’t have to come to work so early. You mustn’t be late for work.
NOTE: • Had to is the past tense of must / have to and expresses obligation in the past.
He didn’t come to the park because he had to study for the Maths test.
• The negative form didn’t have to expresses absence of obligation in the past.
I borrowed Paul’s camera, so I didn’t have to buy a new one.
b
ctivities
137
B. Complete with don’t / doesn’t have to or mustn’t.
1. I wake up early at the weekend. There’s no school.
2. It’s cloudy outside. You wear sunglasses.
3. The baby is sleeping. You shout.
4. Tariq take a taxi to work. I’ll drive him there.
5. People talk on the phone while they’re driving. They might have an accident.
6. Beth buy a new sleeping bag to go camping in the desert. Her mother has got two.
7. You wash that glass. It’s clean.
8. You feed the animals. Look at the sign!
C. Look at the pictures and the prompts and write questions and answers, as in the example. Use have to.
1. Mark / work / evening / ?
No / morning
Does Mark have to work in
the evening?
No, he doesn’t. He has to
work in the morning.
4. John / buy / ticket / ?
Yes
2. Jim / stay / in bed / ?
Yes
3. Carol / study / History / tonight / ?
No / Geography
5. your sisters / clean / room /
every day / ? No / weekend
6. Jim / take out / rubbish / every
morning / ? Yes
138
E. Choose a, b or c.
1. Students go to school at the weekend.
a. mustn’t b. don’t have to c. doesn’t have to
2. Maria to study for a test. That’s why she
didn’t come to my house yesterday.
a. have b. had c. must
3. At school, we keep our desks clean.
a. must to b. has to c. must
Talk in pairs about:
I must do my homework every day.
I don’t have to do the washing-up at home.
• two things you must do every day
• two things you don’t have to do at home
• two things you had to do when you were younger
• two things you mustn’t do at school / in class
Look at the Speaking activity above and write sentences.
Every day I must ...
At home ...
When I was younger ...
At school ...
1. Turki / drive / brother / airport / yesterday
2. Peter / take / rubbish / out / every evening
3. John / buy / new printer / last week
4. Mr Robertson / not work / every Saturday
5. We / not cook / last Saturday
6. Jane / stay / bed / last weekend
D. Read the prompts below and write sentences. Use have to in the correct tense.
peaking
riting
Turki had to drive his brother to the
airport yesterday.
4. You to be quiet in the library.
a. have b. had c. must
5. When I was younger, I do any housework,
but now I do.
a. mustn’t b. don’t have to c. didn’t have to
6. You use the laptop. There’s something
wrong with it.
a. don’t have to b. mustn’t c. didn’t have to
139
B. Complete the sentences with the correct form of the verbs in brackets to form Conditional Sentences Type 1 .
1. A: It’s raining! How I (get) to school?
B: Don’t worry! I (drive) you there.
2. I think you (become) an amazing chef one day.
3. A: When I (find) time to take out the rubbish and do the washing-up?
B: Well, I’m leaving now so I (take) the rubbish out for you.
A: Thank you.
4. A: Don’t borrow my things without asking or I (not speak) to you again.
B: I’m sorry, I promise I (not do) it again.
A. Complete the dialogues with the Future will of the verbs in brackets.
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