MODAL VERBS

We use the modal verbs when we want to express ability, suggestion, obligation,prohibition and request.

The most common are:

• CAN

We use can to express an ability or possibility.

Examples:

I can speak English well.

We can go to the library today.

• SHOULD

We use should to give advice, a recommendation.

Examples:

You are sick. You should go to the doctor.

We should study everyday.

• COULD

We use could to express ability to do something in the past.

Examples:

I could walk when Iwas 1 year old.

We could run fast 10 years ago.

We also use could to express possibility. It is not as strong as "might" or "may". It is just a simple possibility.

Examples:

We could stay home and watchtv.

She could go to France when she arrives to Europe.

16/04/10