I could baptise you could baptise he could baptise we could baptise you could baptise they could baptise
V-ing form
I could be baptising you could be baptising he could be baptising we could be baptising you could be baptising they could be baptising
Perfect
I could have baptised you could have baptised he could have baptised we could have baptised you could have baptised they could have baptised
V-ing perfect
I could have been baptising you could have been baptising he could have been baptising we could have been baptising you could have been baptising they could have been baptising
Negation
Simple form
I could not baptise you could not baptise he could not baptise we could not baptise you could not baptise they could not baptise
V-ing form
I could not be baptising you could not be baptising he could not be baptising we could not be baptising you could not be baptising they could not be baptising
Perfect
I could not have baptised you could not have baptised he could not have baptised we could not have baptised you could not have baptised they could not have baptised
V-ing perfect
I could not have been baptising you could not have been baptising he could not have been baptising we could not have been baptising you could not have been baptising they could not have been baptising
Interrogative form
Simple form
could I baptise? could you baptise? could he baptise? could we baptise? could you baptise? could they baptise?
V-ing form
could I be baptising? could you be baptising? could he be baptising? could we be baptising? could you be baptising? could they be baptising?
Perfect
could I have baptised? could you have baptised? could he have baptised? could we have baptised? could you have baptised? could they have baptised?
V-ing perfect
could I have been baptising? could you have been baptising? could he have been baptising? could we have been baptising? could you have been baptising? could they have been baptising?
Interro-negative form
Simple form
could I not baptise? could you not baptise? could he not baptise? could we not baptise? could you not baptise? could they not baptise?
V-ing form
could I not be baptising? could you not be baptising? could he not be baptising? could we not be baptising? could you not be baptising? could they not be baptising?
Perfect
could I not have baptised? could you not have baptised? could he not have baptised? could we not have baptised? could you not have baptised? could they not have baptised?
V-ing perfect
could I not have been baptising? could you not have been baptising? could he not have been baptising? could we not have been baptising? could you not have been baptising? could they not have been baptising?