Respostas
Resposta:
a) Simple present
Negativa: They don't want to learn English.
Interrogativa: Do they want to learn English?
Simple past
Negativa: They didn't want to learn English.
Interrogativa: Did they want to learn English?
Simple future
Negativa: They won't want to learn English.
Interrogativa: Will they want to learn English?
b) Simple present
Negativa: The programme doesn't change of channels.
Interrogativa: Does the programme change of channels?
Simple past
Negativa: The programme didn't change of channels.
Interrogativa: Did the programme change of channels?
Simple future
Negativa: The programme won't change of channels.
Interrogativa: Will the programme change of channels?
c) Simple present
Negativa: You don’t study very to exam.
Interrogativa: Do you study very to exam?
Simple past
Negativa: You didn't study very to exam.
Interrogativa: Did you study very to exam?
Simple future
Negativa: You won't study very to exam.
Interrogativa: Will you study very to exam?
02) Simple present: expressões como: daily, now, every day, always, never, today, often, sometimes.
Simple past: expressões como: yesterday, the day before yesterday, last night, last year, last month, last week, ago.
Simple future: geralmente são utilizados verbos modais auxiliares will e shall ou a estrutura going to.
Explicação:
Espero ter ajudado ☺