1. BY: Miriam Ona,
Elena Catalá and
Carolina De La Guardia.

2. # We use can to express ability,possibility and
permission and to make requests.
# EXAMPLES:
# I can take pictures with my mobile phone
# We can´t fly.
# Can you send me a text message.

3. # We use could to express ability in the
past, possibilty and to make requests.
# EXAMPLES:
# The phone is ringing.It could be mum.
# We couldn´t travel on plains 20 years ago.
# Could you please hand me a towel?

4. # We use should to give advice.
# EXAMPLES:
# You should eat more, you are really thin.
# We shouldn´t go the beach, it´s raining.
# Should I wear a dress tonight?

5. # We use must to express obligation.
# We use mustn’t to express prohibition.
# EXAMPLES:
# You must go to the doctor.
# You musn’t use your phone in the theatre.

6. # We use have to to express obligation.
# EXAMPLES:
# I have to call my mum.
# I don’t have to study today.
# Do I have to wash the dishes this morning?

7. # We use may to show possibility in the
future, to ask for and give or deny permission
in formal speech.
# We use might to show possibility in the future
# EXAMPLES:
# I may/might go to the pool.
# I may/might not see you tomorrow.
# May I borrow your pen?

9. • http://www.curso-ingles.com/ejercicios-test-
ingles/verbos-modales.php