I could apostatise you could apostatise she could apostatise we could apostatise you could apostatise they could apostatise
V-ing form
I could be apostatising you could be apostatising she could be apostatising we could be apostatising you could be apostatising they could be apostatising
Perfect
I could have apostatised you could have apostatised she could have apostatised we could have apostatised you could have apostatised they could have apostatised
V-ing perfect
I could have been apostatising you could have been apostatising she could have been apostatising we could have been apostatising you could have been apostatising they could have been apostatising
Negation
Simple form
I could not apostatise you could not apostatise she could not apostatise we could not apostatise you could not apostatise they could not apostatise
V-ing form
I could not be apostatising you could not be apostatising she could not be apostatising we could not be apostatising you could not be apostatising they could not be apostatising
Perfect
I could not have apostatised you could not have apostatised she could not have apostatised we could not have apostatised you could not have apostatised they could not have apostatised
V-ing perfect
I could not have been apostatising you could not have been apostatising she could not have been apostatising we could not have been apostatising you could not have been apostatising they could not have been apostatising
Interrogative form
Simple form
could I apostatise? could you apostatise? could she apostatise? could we apostatise? could you apostatise? could they apostatise?
V-ing form
could I be apostatising? could you be apostatising? could she be apostatising? could we be apostatising? could you be apostatising? could they be apostatising?
Perfect
could I have apostatised? could you have apostatised? could she have apostatised? could we have apostatised? could you have apostatised? could they have apostatised?
V-ing perfect
could I have been apostatising? could you have been apostatising? could she have been apostatising? could we have been apostatising? could you have been apostatising? could they have been apostatising?
Interro-negative form
Simple form
could I not apostatise? could you not apostatise? could she not apostatise? could we not apostatise? could you not apostatise? could they not apostatise?
V-ing form
could I not be apostatising? could you not be apostatising? could she not be apostatising? could we not be apostatising? could you not be apostatising? could they not be apostatising?
Perfect
could I not have apostatised? could you not have apostatised? could she not have apostatised? could we not have apostatised? could you not have apostatised? could they not have apostatised?
V-ing perfect
could I not have been apostatising? could you not have been apostatising? could she not have been apostatising? could we not have been apostatising? could you not have been apostatising? could they not have been apostatising?