1. Yesterday I ________ finish my geography project.
a) must
b) mustn't
c) had to
2. She will ________ wait in line like everyone else.
a) must
b) have to
c) has to
3. All employees ________ on time for work.
a) must be
b) mustn't
c) have to
4. We ________ forget to take the chicken out of the freezer.
a) have to not
b) must
c) mustn't
5. If you are under 13 you _____ to get your parents' permission.
a) have
b) must
c) musn't
6. Your daughter may ________ try on a few different sizes.
a) have to
b) had to
c) must
7. The doctor _____ get here as soon as he can.
a) must
b) mustn't
c) have to
8. Do you _____ work next weekend?
a) have to
b) must
c) musn't
9. Bicyclists _____ remember to signal when they turn.
a) mustn't
b) must
c)has to
10. Angela, you _____ leave your clothes all over the floor like this.
a) mustn't
b) must
c) have to
Soluções para a tarefa
Resposta:
1. c (had to)
2. b (have to)
3. a (must be)
4. c (mustn't)
5. a (have)
6. a (have to)
7. a (must)
8. a (have to)
9. b (must)
10. a (mustn't)
Explicação:
Sobre os verbos modais: Must e Have, no inglês, as lacunas das frases são preenchidas da seguinte maneira:
1. Yesterday I had to finish my geography project.
2. She will have to wait in line like everyone else.
3. All employees must be on time for work.
4. We mustn't forget to take the chicken out of the freezer.
5. If you are under 13 you have to get your parents' permission.
6. Your daughter may have to try on a few different sizes.
7. The doctor must get here as soon as he can.
8. Do you have to work next weekend?
9. Bicyclists must remember to signal when they turn.
10. Angela, you musn't leave your clothes all over the floor like this.
Os verbos modais must e have to, são usados para indicar uma obrigação. Must se referir a uma obrigação entre duas pessoas ou a uma obrigação que você sente.
Enquanto que, have to se referir a uma obrigação externa, como as regras, a lei, algo que você tem que fazer, obrigatoriamente.
Usamos must para uma obrigação do nosso ponto de vista e have to para falar sobre a necessidade que se cria em uma situação em que o falante não tem poder de decisão.