this wonderful

1. By: Lucia Marcos and Maria Gomez-
Pavon

2. CAN
• We use can when we want to express possibility, ability
,permission and to make request.
* Afirmative sentences : subject + can + verb in infinitive
I can cook lentils because my grandmather taught me.
* negative sentences: subject +can´t + verb in infinitive
I can´t play rugby because I´m very dumb.
* Interrogative sentences: can + subject + verb in
infinitive
Can I open the window ? It is very hot.

3. COULD
*We use could when we want to express possibility, ability
,permission and to make request in the past.
*Afirmative sentences: subject+ could+ verb in infinitive
Mike could ride his bike when he was six years old.
*negative sentences: subject+ couldn´t + verb in infinitive.
Shanon couldn´t go to the party because she had to study.
*interrogative sentences: could+ subject+ verb in infinitive.
Could Shanina cook and talk in the phone at the same
time?.

4. SHOULD
* We use should to give advice
* Afirmative sentences: subject+ should + verb in infinitive.
You failed your exam so you should study harder.
* Negative sentences: subject+ shouldn´t +verb in
infinitive.
you shouldn´t smoke because it´s bad for your lungs.
* Interrogative sentences: should + subject + verb in
infinitive.
• I had an argument with my mum. What should I do?

5. MUST
• We use must to express obligation.
• Afirmative sentences: subject+ must+ verb in infinitive.
• You must go to sleep at 10:00 .
• Negative sentences: subject+ musn´t + verb in infinitive.
• You musn´t smoke in this restaurant.

6. HAVE TO
• we use have to to express obligation.
• Afirmative sentences: subject+ have to + verb in
infinitive.
• You have to turn off your mobile phone in the mass.
• Negative sentences: subject+ don´t /doesn´t have to+
verb in infinitive
• You don´t have to cheat in the exams.
• Interrogative sentences:do/ does + subject+ have to+
verb in infinitive
• Do you have to send a message?

7. MAY AND MIGHT
• We use may to show possibility in the future, to ask for
and give or deny permission in a formal speech.
• We use might to show possibility in the future .
• Afirmative sentences: subject+ may/might+ verb in
infinitive.
• Dan may/might go shopping with his mum later today.
• Negative sentences:subject+may /might not+ verb in
infinitive
• You may/might not use your phone in class.
• Interrogative sentences: may + subject+ verb in infinitive.
• May I go to the bathroom?.

8. EXERCISES
• Choose the right modal verb
• It's a hospital. You _______ smoke
• I _____speak Arabic fluently when I was a child and we
lived in Morocco
• The teacher said we_____ read this book for our own
pleasure as it is optional. But we______ read it if we
don't want to.
* Take an umbrella. It ______ rain later.
* Drivers_______ stop when the traffic lights are red.
* _____ I ask a question? Yes, of course.

9. ANSWERS
1.mustn't
2. Could
3. can/can
4.Might
5.Must
6.May