When did you take that class?
Past Simple
C / I... We have being studying for two hours in a row.
Incorrect
I ____ (work) as a sales manager for three years, this will be my fourth year!
have been working
C / I... Have you never seen a wild animal?
Incorrect
She has been listening to the same song all day.
Present Perfect Continuous
C / I... My best friend has gone to the doctor last week, he felt terrible.
Incorrect
C / I ... I went to the zoo last week, it was so much fun!
Correct
Luis ____ (not / buy) a present for his mom, he didn´t have money.
didn´t buy
____ (eat / ever) a lot of food in one go?
Have you ever eaten
How long have you been here?
Present Perfect
C / I ... The kids don't eat all their lunch this morning.
Incorrect
She has played the piano since she was 9 years old.
Present Perfect