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 couldn't apostatise you couldn't apostatise she couldn't apostatise we couldn't apostatise you couldn't apostatise they couldn't apostatise
V-ing form
I couldn't be apostatising you couldn't be apostatising she couldn't be apostatising we couldn't be apostatising you couldn't be apostatising they couldn't be apostatising
Perfect
I couldn't have apostatised you couldn't have apostatised she couldn't have apostatised we couldn't have apostatised you couldn't have apostatised they couldn't have apostatised
V-ing perfect
I couldn't have been apostatising you couldn't have been apostatising she couldn't have been apostatising we couldn't have been apostatising you couldn't have been apostatising they couldn't 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
couldn't I apostatise? couldn't you apostatise? couldn't she apostatise? couldn't we apostatise? couldn't you apostatise? couldn't they apostatise?
V-ing form
couldn't I be apostatising? couldn't you be apostatising? couldn't she be apostatising? couldn't we be apostatising? couldn't you be apostatising? couldn't they be apostatising?
Perfect
couldn't I have apostatised? couldn't you have apostatised? couldn't she have apostatised? couldn't we have apostatised? couldn't you have apostatised? couldn't they have apostatised?
V-ing perfect
couldn't I have been apostatising? couldn't you have been apostatising? couldn't she have been apostatising? couldn't we have been apostatising? couldn't you have been apostatising? couldn't they have been apostatising?