Question

4. Write negative or interrogative sentences in the present continuous

a.your grandfather / breathe with difficulties
Interrogative:
b. the athletes / run fast
Negative:
c. the little cat / swallow líquida
Interrogative:
d. your digestive system / work well
Negative:
e. His imune system / protect him from infection
Interrogative:​

Answer 1

Respostas:

A: Is your grandfather breathing with difficulties?

B: The atletes aren't running fast.

C: Is the littlle cat swallow? (Não entendi a última palavra da frase)

D: Your digestive system isn't working well

E: Does his imune system protecting him from infection?

Explicação:

Para usar o present continuous você precisa adicionar o ING no verbo principal da frase.