pleas help me. i dont uderstant

Have you sent the invitations yet?

They have just bought the costumes.

Andy and Jane haven't cleaned the hall yet.

He has already sent the invitations.

She has played the violin since she was 8.

We haven't sung in the choir for six years.

Has Tom done tricks yet?

1.have you sent the invitations yet?
2.they have just bought the costumes.
3.Andy and Jane havent cleaned the hall yet.
4.he has already sent the invitations.
5.She has played the violin since she was 8
6.We havent sung in the choir for 6 years
7.Has Tome done the tricks yet?