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Lesson Plan April 5, 2024
Topic: Modal Verbs 02 - Necessity & Advice
We use must, have to, need to and should to say that something is necessary or to give advice
Section A - must / have to / need to
Is used to say that something is necessary or obligatory.
It’s getting late. I have to go now.
You must get up early if you want to get to work.
Joaquim isn’t ready for his exam. He needs to study harder.
NOTE: Must usually talks about what you feel inside, while have to can also talk about something outside of you, like a rule or a deadline.
Section B - don’t have to / don’t need to / needn’t
Is used to say that something is not necessary
I’m not working tomorrow so I don’t have to get up early.
You don’t need to give me your phone number. I already have it.
You needn’t worry about me. I’ll be fine.
Section C - mustn’t
Is used to say that something is prohibited or forbidden (= DO NOT DO THIS!)
You mustn’t smoke here. This is a non-smoking area.
The children mustn’t look in the closet. Their Christmas gifts are hidden there.
You mustn’t tell anyone my secret. Do you promise?
Section D - should / shouldn’t
Is used to say that something is a good or bad idea
You should spend some time in England to improve your English.
You shouldn’t drink so quickly.
We should lock the windows before we leave the house.
Short Conversation
A: It’s getting late. I must go home now.
B: Really? But you don’t have to work tomorrow.
A: Yes, I know. But I should get some sleep. My doctor says I need to relax more.
Lesson Notes
There’s a bad bug going around, a lot of people are getting terrible colds.
I caught a bug and ended up in bed for the last three days.
I’m not going out tonight, I have a stomach bug.
Vocabulary
A bug; (informal noun) an illness
Modal Verbs 02
Must and Have to
You can used must or have to when you say what you think is necessary, when you give your opinion.
It’s a fantastic film. You (must / have to) see it.
When you are not giving your personal opinion, use have to (NOT must)
Jane won’t be at work this afternoon. She has to go to the doctor. (= this is not my personal opinion, it’s a fact)
Jane isn’t well. She doesn’t want to go to the doctor, but I told her she must go. (= this is my person opinion)
