Los Verbos Modales

1. CAN

1.1. REQUEST

1.2. ABILITY (PRESENT)

1.3. PROBABILITY

2. MIGHT

2.1. WEAK PROBABILITY

3. MAY

3.1. POLITE REQUEST

4. MUSTN'T

4.1. PROHIBITION

4.2. you mustn't smoke in this restaurant it's forbidden.

5. MUST

5.1. DEDUCTION

5.2. SHE LIED TO THE POLICE , SHE MUST BE THE MURDERER.

6. COULD

6.1. REQUEST

6.2. COULD YOU PASS ME THE SALT PLEASE

6.3. ABILITY (PAST)

6.4. WHEN BE WAS 5, HE COULD RIDE A BIKE

7. HAVE TO - HAS TO

7.1. EXTERNAL OBLIGATION

7.2. YOU HAVE TO TAKE OFF YOUR SHOES BEFORE YOU GET INTO THE MOSQUE

8. DON'T/DOESN'T HAVE TO

8.1. NO NECESSITY

8.2. YOU DON'T HAVE TO DO ALL EXERCISE ONLY THE FIRST ONE

9. NEED TO

9.1. NECESSITY

10. SHOULD/SHOULDN'T

10.1. OUTGHT TO/ OUTGHTN'T TO

10.2. ADVICE

10.3. YOU LOOK VERY PALE, YOU SHOULD GO TO THE DOCTOR,YOU SHOULDN'T EAT SO MANY SWEET , IT'S BAD FOR YOU TEETH .