Respostas
Resposta:
O verbo "to be" é um dos verbos mais importantes do inglês, já que além de ter significado sozinho - "ser, estar", ele é auxiliar de outros tempos verbais, como:
→ Present continuous:
I am working a lot today.
She is cooking dinner.
→ Future continuous:
I will be attending a conference in a few minutes.
→ Past continuous:
I was studying before you interrupted me.
We were walking down the streets when the accident happened.
→ Voz passiva:
William broke the chair.
The chair was broken by William.
→ Present perfect continuous:
I have been working a lot lately.
→ Future perfect continuous:
I will have been studying a lot by next month.
→ Past perfect continuous:
She had been standing there for over an hour.
→ Além disso, ele é usado para indicar idades:
I'm 23 years old. (Eu tenho 23 anos de idade).