:) предложение to go the theatre (he) во времена present/past/future simple/continous/perfect. по итогу должно получиться 9 предложений. заранее

Present: (S) go to the theature.
(C) am/are/is going to the theature.
(P) have/has gone to the theature.

Past: (S) went to the theature
(C) was/were going to the theature.
(P) had gone to the theature.

Future: (S) will/shall go to the theature.
(C) will going to the theature.
(P) will have gone to the theature.

S - simple.
C - Continous.
P - perfect.