1) They've just/ already/ before eaten breakfast. 2) l've never sent a text massage just/already/before.
3) They haven't finished the costumes yet/already/before.
4) Have they before/yet /just come back from holiday.
5) l've before / already / yet tidied my room.
6) He hasn't played for the team before / never / just.
1.already
2.before
3.yet
4.just
5.already
6.before
2)already
3)yet
4)just
5)already
6) before