⇒⇒ Present perfect
d) We have eaten at that restaurant many times.
NEG: We haven't eaten at that restaurant many times.
INT: Have we eaten at that restaurant many times?
e) I have worked hard this week.
NEG: I haven't worked hard this week.
INT: Have I worked hard this week?
f) It has rained a lot this year.
NEG: It hasn't rained a lot this year.
INT: Has it rained a lot this year?
⇒⇒ Present Perfect >>> tempo verbal que indica quando a ação começou ou quanto tempo faz que ela está ocorrendo.
have >> usado com I - we - you - they
has >> usado com he - she - it
Estrutura
Sujeito + have / has + verbo particípio
David has lived in Texas since 1990.
My sisters have studied English for many years.
Negativa
Sujeito + have / has + not + verbo particípio
I haven't had a headache since I moved from London.
She hasn't worked for some weeks.
Interrogativa
Has / Have + sujeito + verbo particípio
Has she moved already?
Have you gone to Italy?
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