Students Juan André Ramirez Niccolo Puccio Diego Lozano

1. MODAL VERBS
Juan Andre Ramirez Teruya
Niccolo Puccio
Diego Lozano

2. WHAT ARE THEY?
Verbs that don’t follow the same
grammatical rules as others verbs and
that can also be used to express
obligation, permission, willingness, pos
sibility, etc.

3. WHICH ARE THEY?
 Can Could
 May Might
 Shall Should
 Will Would
 Must Ought to
 Need to Have to
 Be able to

4. HOW DIFFERENT ARE
THEY?
These verbs dont use “-s” in the third person
present simple.
He cans do it. INCORRECT
He can do it. CORRECT

5. HOW DIFFERENT ARE
THEY?
They dont need “do” or “does” to form a
negative verb (Except “have to”).
I don´t will go to sleep yet. INCORRECT
I won´t go to sleep yet. CORRECT

6. HOW DIFFERENT ARE
THEY?
 Some of them can´t be used in the future tense or past tense.
Instead, we use other words for similar meanings.
 I will can go to the reunion. INCORRECT
 I will be able to go to the reunion. CORRECT
 I musted study more. INCORRECT
 I had to study more. CORRECT

7. HOW DIFFERENT ARE
THEY?
They don´t use “to” in the infinitive (Except
“need to”, “have to” “ought to”…)
To may. INCORRECT
To should. INCORRECT

8. TO EXPRESS ABILITY
“Be able to”, “can” and “could”.
I can go for a ride.
He could do a banana split.
We were able to prepare a meal by ourselves.

9. TO EXPRESS PERMISSION
“Can” and “could”. “Could” is used for the past
in these cases.
I can leave the school is I wish.
They couldn´t stay at home yesterday.

10. TO EXPRESS OBLIGATION
“Must”, “need to” and “have to”
I must clean my room every weekend.
She needs to take a break, now.
You have to focus or you will fail.

11. TO EXPRESS POSSIBILITY
“May”, “might”, “could”, “should”, “ought to” and “would”.
Our project may be approved.
I ought to eat more healthy food.
This could be one of my best works.

12. THAT´S ALL FOR MODAL
VERBS!