Question

De acordo com o present perfect quando eu devo usar already, for, yet, ever e since?

Answer 1

arleady = já 
ex: Have you already eatten sushi?
for= por
ex: I have studied English for 6 years.
yet= ainda
ex: I haven't eatten susshi yet.
ever= significa ''já fez tal coisa alguma vez na vida''
ex: Have you ever seen a gost?
since= desde
ex: I have studied Engish since I was 8.