⇒⇒  Past perfect

Choose the correct Past Perfect + YET sentence according to the following situation: Ana and I went to a festival last Saturday morning. Then, we decided to go separate ways and meet at home for lunch.

A.   I arrived at 1 p.m. but she haven't arrived yet.⇔  errada

B.   I arrived at 1 p.m. but she hadn't arrived yet.  √

C.   I arrived at 1 p.m. but she hasn't arrived yet.  ⇔  errada

D.   I arrived at 1 p.m. but she didn't arrived yet.  ⇔  errada

E.   I arrived at 1 p.m. but she arrived yet.​  ⇔  errada

Alternativa correta letra ''B''

I arrived at 1 p.m. but she hadn't arrived yet.

Eu cheguei à 1 da tarde mas ela ainda não havia chegado.

Justificativa  >>  o exercício pede ''past perfect''

A.   I arrived at 1 p.m. but she haven't arrived yet.⇔  errada

     haven't arrived  >>  ( I - we - you - they)

     she hasn't arrived   é o correto  (he - she - it)

C.   I arrived at 1 p.m. but she hasn't arrived yet.  ⇔  errada

     hasn't arrived  >>   present perfect

D.   I arrived at 1 p.m. but she didn't arrived yet.  ⇔  errada

      didn't arrived   >>  o correto é ''didn't arrive''  >>  simple past

E.   I arrived at 1 p.m. but she arrived yet.​  ⇔  errada

     Frase com erro gramatical >> Eu cheguei à 1 da tarde mas ela ainda chegou.

Explicação:

⇒⇒  Past perfect >> usado quando se deseja falar sobre um momento que  ocorreu no passado, antes de outro evento acontecer.

Estrutura do past perfect

Sujeito + had + verbo no particípio + complemento

John had gone when Lizzy arrived.

Ed had broken his left arm when he was cycling.

→→  YET    >>  significa ''ainda'' em frases negativas, no sentido de algo que ainda não aconteceu. Usa-se no final da frase.

Susan didn't arrive yet.

My parents didn't buy a new car yet.

→→  YET  >>  significa ''já'' em frases interrogativas

Has Helen arrived yet?

Did she arrive yet?

Have you eaten yet?

Did you eat yet?

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