I could baptise you could baptise she could baptise we could baptise you could baptise they could baptise
V-ing form
I could be baptising you could be baptising she could be baptising we could be baptising you could be baptising they could be baptising
Perfect
I could have baptised you could have baptised she 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 she could have been baptising we could have been baptising you could have been baptising they could have been baptising
Negation
Simple form
I couldn't baptise you couldn't baptise she couldn't baptise we couldn't baptise you couldn't baptise they couldn't baptise
V-ing form
I couldn't be baptising you couldn't be baptising she couldn't be baptising we couldn't be baptising you couldn't be baptising they couldn't be baptising
Perfect
I couldn't have baptised you couldn't have baptised she couldn't have baptised we couldn't have baptised you couldn't have baptised they couldn't have baptised
V-ing perfect
I couldn't have been baptising you couldn't have been baptising she couldn't have been baptising we couldn't have been baptising you couldn't have been baptising they couldn't have been baptising
Interrogative form
Simple form
could I baptise? could you baptise? could she baptise? could we baptise? could you baptise? could they baptise?
V-ing form
could I be baptising? could you be baptising? could she be baptising? could we be baptising? could you be baptising? could they be baptising?
Perfect
could I have baptised? could you have baptised? could she 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 she have been baptising? could we have been baptising? could you have been baptising? could they have been baptising?
Interro-negative form
Simple form
couldn't I baptise? couldn't you baptise? couldn't she baptise? couldn't we baptise? couldn't you baptise? couldn't they baptise?
V-ing form
couldn't I be baptising? couldn't you be baptising? couldn't she be baptising? couldn't we be baptising? couldn't you be baptising? couldn't they be baptising?
Perfect
couldn't I have baptised? couldn't you have baptised? couldn't she have baptised? couldn't we have baptised? couldn't you have baptised? couldn't they have baptised?
V-ing perfect
couldn't I have been baptising? couldn't you have been baptising? couldn't she have been baptising? couldn't we have been baptising? couldn't you have been baptising? couldn't they have been baptising?