Should, Have to, Must (En)

• Engels
• Middelbare school
• vwo
• Leerjaar 2

The goals of this lesson

I can recognise should, must and have to in a sentence
I know how and when to use should, must and have to

I can form my own sentences with should, must and have to

Period 3
Game Worlds

An old lady is too afraid to cross the street... What should you do?

You want to be the most famous person on TikTok... What must you do?

You are stealing candy.
Your friend says: "You have to..... (fill in)"

using should: how?

Subject+ should + bare infinitive (verb)

I should go to school. 

You should see a doctor.
He should clean his room.

We should see that new film in the film theatre.

They should listen to the news more.

Should I go to school? I shouldn't go to school.

Using should: when?

You or other people think that something should be done. It is not an obligation. Also used when giving advice

Take notes!

What is something you should do in 2021?

Using must: how?

+ I/you/he/we/they must go to the toilet.
- I/you/he/we/they mustn't OR must not leave rubbish on the ground.
? Must I/you/he/we/they really do that?

subject+ must + bare infinitive (verb)

Take notes!

Using must: when?

We use must for more personal opinions on things that we think are necessary. The speaker thinks that it has to be done.

I must remember to get a present for Daisy. (my opinion)
I must go to the hairdresser. (my hair is too long). 

What must you do today?

Using have to: how?

I/he/we/you/they have to wear clothing in public.

I/he/we/you/they have to keep 1,5 meter distance.

Do I/he/we/you/they have to wear a face mask in the bus?

Take notes!

subject+ have to + bare infinitive (verb)

We use have to when someone else thinks that something has to be done, for instance the law, school rules, parents' rules.

You have to look after your dog's hair often. (dog experts say so)

Do we have to wear a tie for school? (asking about school rules)

Using have to: when?

Using have to: how?

Mind you: if you make have to negative you get:

don't/ doesn't have to.

There is no obligation then

I have to walk the dog.

I don't have to walk the dog. There is no need to walk the dog

What is something your parents think you have to do?

Exercise 1: should/have to
Fill in should/have to and the verb

1. You ........ (to be)  at school at this time.
2. You ...... (to skip) school. It's bad for your education.
3. You ...... (to get) up so late.
4. You ........ (take) a bus, I'll drive you to school.
5. You ..... (to go) go to bed earlier at night. 

Remember + and - sentences!

1.

You should be at school at this time.

You mustn't skip school.

You should not / shouldn't get up so late.

You don't have to take a bus, I'll drive you to school.

You have to go to bed earlier at night. 

1 I ........ (to study)  a lot today. I want to get a good grade.

2 He .......... (to rest) a little before dinner. It would do him good.

3 He ...... (to study) so hard, he knows his lessons very well.

4 You ....... (to go) out for a walk. It's healthy.

5 He ....... (to try) to be less scared of tests. (it's an advice)

6 He ........ (to be) very worried about tomorrow’s Maths test. He looks

nervous.

2. Fill in should, must, or have to, and the verb.
 Remember the + and - sentences.

Exercise 2

1 I must study a lot today. I want to get a good grade.

2 He should rest a little before dinner. It would do him good.

3 He doesn't have to study so hard, he knows his lessons very well.

4 You should go out for a walk. It's healthy.

5 He should try to be less scared of tests.

6 He must be very worried about tomorrow’s Maths test. He looks
nervous.

The goals of this lesson

I can recognise should, must and have to in a sentence
I know how and when to use should, must and have to

I can form my own sentences with should, must and have to

Possibility/Permission

Possibility-something is possible

Can- you have the ability or skill

Could- past form of can

be able to - you have the ability, skill or capability.

To be allowed to- it is okay to do something.

Obligation

obligation =  something has to be done.

• Have to - strong obligation from 'outside' (law, parents, school, work, etc.)
• Must-    strong advice         obligation from yourself.
• Should- Advice
  

Have to, must, should.

Children ____ go to school.

1. has to
2. have to
3. must
4. should

someone else thinks that you have to do it

advice or idea

You think something has to be done

should

must

have to

My best advice is that you _______ stop smoking!

1. has to
2. have to
3. must
4. should

We____celebrate. It's your birthday.

1. should
2. have to
3. must
4. shouldn't

I think you ... leave now.

1. have to
2. must
3. should

I ____ study today.

1. has to
2. have to
3. must
4. should

Drivers ...... wear their seatbelt.

1. should
2. have to
3. must

have to - must - should

I ____ now, because I've got tennis practice this afternoon

1. have to go
2. should go
3. must go
4. should to go

Mum says I ___ walk the dog.

1. should
2. must
3. have to
4. have got to

She _________ never find clothes that she likes.

1. can
2. be able to
3. could
4. be allowed to

I really understand the difference between should, have to and must now.

1. Yes
2. I need some more practice, websites
3. No
4. I need extra tips