MODAL VERBS

We use ---------- por ability, permission and posibility in the present.

• can

• could

We use ----------- to express ability and possibility in the past or permission in a more polite way.

• could

• can

We use ----------- to express "strong obligation".

• have to

• must

_________ is a semi modal verba that usually expresses external obligation.

• must

• have to

---------- is used to express advice.

• have to

• should

Now FILL IN the Gaps

When I was young, I --------- swim for hours.

• can

• could

• must

-------- I take a message?

• can

• have to

We -------------- to wear special clothes.

• have to

• should

I ---------- send this email before the end of the day!

• must

• can

You -------- behave (comportarse) at work or your boss will tell you off (reñirá).

• could

• should