Mobal verbs of obligation and ability

Clave de Respuestas

Ejercicio 1:

1. must
2. have to
3. has to
4. must

Ejercicio 2:

1. mustn't
2. don't have to
3. mustn't
4. don't have to

Ejercicio 3:

1. should see
2. shouldn't eat
3. should practice
4. shouldn't be

Ejercicio 4:

1. could
2. can't
3. can
4. was able to
5. Can
6. will be able to

Ejercicio 5:

1. let
2. lets
3. made
4. lets

Ejercicio 6:

1. I have to finish this report today.
2. You should wear a jacket; it's cold.
3. You mustn't take photos in the museum.
4. I didn't need to buy tickets in advance.
5. I succeeded in passing my driving test on the first try.

Ejercicio 7:

1. should
2. should
3. mustn't
4. Can
5. mustn't / can't
6. should
7. can
8. can / will be able to

Ejercicio 8:

1. You must study for the test.
2. I could finish my homework yesterday. / I was able to finish my homework yesterday.
3. My parents don't let me go out on weekdays.
4. She can speak three languages.
5. You don't have to pay for the water; it's free.

Ejercicio 9:
(Respuestas personales del estudiante. Ejemplos:)

1. I should exercise more often.
2. You mustn't talk loudly in a library.
3. Now I can drive a car, but I couldn't when I was a child.
4. My teacher makes me do homework every day.
5. I have to brush my teeth every day.