Question

Complete with must or mustn't.
1. A: Excuse me, you
eat or drink in the
hospital.
B: Sorry
2. You
talk in class. You
listen to your teacher.
3. A:
I clean my room now?
B: Yes, it's a mess!
4. You
turn off the TV before you leave.
take
5. Don't use your camera. You
pictures in the art gallery.​

Answer 1

Resposta:

⇒⇒  Modal verbs >>> Must - Musn't

1. A: Excuse me, you  mustn't eat or drink in the  hospital.

B: Sorry

2. You  mustn't talk in class. You  must listen to your teacher.

3. A:   Must   I clean my room now?

B: Yes, it's a mess!

4. You  must  turn off the TV before you leave.

5. Don't use your camera. You  mustn't take pictures in the art gallery.​

Explicação:

⇒⇒ Modal verbs >> são verbos ''diferentes'' que possuem características próprias. São usados para auxiliar o verbo principal da frase. Não são conjugados, não recebem ''s'' na terceira pessoa do singular, não têm plural. São sempre escritos da mesma forma, independente do contexto. Não têm tradução se estiverem sozinhos, sem um verbo em seguida.

→→ Must >>> usado para dar ordens na afirmativa

You must pay attention to the teacher.

Kids must go to school everyday.  

→→ Must >>> usado no sentido de ''necessidade ''  

Susan, you must wake up at 7am.  

John must stop smoking.  

→→ Must not ou mustn't >>> usado para proibir algo

You mustn't step on the grass.

They mustn't go to the Mall today.

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