I could apostatise you could apostatise he could apostatise we could apostatise you could apostatise they could apostatise
V-ing form
I could be apostatising you could be apostatising he could be apostatising we could be apostatising you could be apostatising they could be apostatising
Perfect
I could have apostatised you could have apostatised he 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 he 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 he 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 he 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 he 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 he 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 he apostatise? could we apostatise? could you apostatise? could they apostatise?
V-ing form
could I be apostatising? could you be apostatising? could he be apostatising? could we be apostatising? could you be apostatising? could they be apostatising?
Perfect
could I have apostatised? could you have apostatised? could he 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 he 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 he 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 he 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 he 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 he not have been apostatising? could we not have been apostatising? could you not have been apostatising? could they not have been apostatising?