Solucionario de los ejercicios de modales needn’t y be allowed to (inglés 1.º Bachillerato) para descargar en PDF

Ejercicio 1. Elige needn’t o mustn’t

Mustn’t indica prohibición; needn’t indica que no hace falta.

1. mustn’t
2. needn’t
3. mustn’t
4. needn’t
5. mustn’t

Ejercicio 2. Completa con needn’t

Needn’t va seguido del infinitivo sin to.

1. needn’t wait
2. needn’t worry
3. needn’t pay
4. needn’t bring
5. needn’t shout

Ejercicio 3. Ordena las palabras

Colocar el modal después del sujeto.

1. We are not allowed to use phones.
2. The film was supposed to start at eight.
3. You needn’t have come.
4. I didn’t need to hurry.

Ejercicio 4. Traduce al español

Traducir el matiz, no palabra por palabra.

1. No hace falta que traigas una tienda.
2. No se nos permite entrar.
3. Se supone que el autobús llega a las seis.
4. No hacía falta que llamara (pero llamó).

Ejercicio 5. Lee el cartel del museo

Mira la figura: Photos NO, Dogs YES, Bikes NO, Food YES.

1. aren’t allowed to
2. are allowed to
3. aren’t allowed to
4. are allowed to

Ejercicio 6. Completa con be allowed to

Be cambia según el tiempo y el sujeto.

1. weren’t allowed to
2. will be allowed to
3. is allowed to
4. were allowed to
5. Are / allowed to

Ejercicio 7. Elige didn’t need to o needn’t have

Didn’t need to no dice si se hizo; needn’t have + participio dice que sí se hizo.

1. didn’t need to
2. needn’t have
3. didn’t need to
4. needn’t have
5. didn’t need to

Ejercicio 8. Reescribe con needn’t

Se reduce a sujeto + needn’t + infinitivo.

1. We needn’t leave early.
2. She needn’t call.
3. You needn’t book a table.
4. You needn’t bring a gift.

Ejercicio 9. Reescribe con needn’t have

Estructura: sujeto + needn’t have + participio.

1. She needn’t have packed a coat.
2. We needn’t have hurried.
3. He needn’t have studied all night.
4. They needn’t have booked a taxi.

Ejercicio 10. Reescribe con be supposed to

Be supposed to expresa norma o plan; en pasado indica un plan fallido.

1. Students are supposed to wear a uniform.
2. The bus was supposed to arrive at six.
3. The shop is supposed to open at nine.
4. Mateo was supposed to call me.

Ejercicio 11. Reescribe con be allowed to

Se cambia el verbo principal por be allowed to.

1. We are allowed to use calculators.
2. We weren’t allowed to go out.
3. Visitors aren’t allowed to enter after eight.
4. Students will be allowed to choose their projects.

Ejercicio 12. Corrige el error

Errores típicos: to tras needn’t, mezcla de formas, suppose por be supposed, falta de be.

1. You needn’t wait.
2. I needn’t have bought it.
3. I am supposed to be at school at eight.
4. We weren’t allowed to use phones.
5. She needn’t come; it isn’t necessary.

Ejercicio 13. Elige la opción correcta

Fíjate en el sentido de cada frase.

1. needn’t
2. aren’t allowed
3. was supposed
4. needn’t have
5. were allowed

Ejercicio 14. Lee el mensaje y responde

Respuestas del mensaje de Ruth.

1. By 4 pm on Friday.
2. No, the camp provides them.
3. In the café.
4. A big torch.

Ejercicio 15. Traduce sin confundir los matices

Cada no tienes que exige un modal distinto.

1. You needn’t knock. (o You don’t have to call.)
2. You mustn’t shout.
3. You were supposed to call and you didn’t.
4. You needn’t have waited for me.

Ejercicio 16. Traduce frases con modales

Cuida el matiz: pasado sin necesidad, permiso, plan fallido, no obligación.

1. You needn’t have brought presents, but thank you.
2. At my school we aren’t allowed to use our phones in class.
3. The flight was supposed to leave at ten, but it was delayed.
4. We didn’t need to get up early yesterday because it was a holiday.

Ejercicio 17. Reescribe sin cambiar el sentido

Se mantiene el sentido con otro modal.

1. You aren’t allowed to enter the lab alone.
2. She didn’t need to pay.
3. We needn’t have booked.
4. Drivers are supposed to slow down here.

Ejercicio 18. Completa el correo

(1) needn’t · (2) weren’t allowed to · (3) didn’t need to · (4) were supposed to · (5) needn’t · (6) are allowed to

Hueco 1: needn’t have packed = lo hice sin necesidad. Hueco 4: plan fallido.

Ejercicio 19. Redacta las normas de un campamento

Respuesta modelo: You needn’t bring towels; the camp provides them. I didn’t need to buy a torch, so I saved money. I needn’t have packed a heavy coat. Breakfast is compulsory, so everyone is supposed to be there at eight. We are allowed to use phones only in the café.

Comprueba: las cinco estructuras, una vez cada una.

Ejercicio 20. Explica las normas a una familia

Respuesta modelo: The students are supposed to be at the airport at six. They needn’t bring money for meals, because they are already paid for. They aren’t allowed to carry big bottles in their hand luggage.

Comprueba: supposed to, needn’t y aren’t allowed to sin traducir tienen que por must.