could mesmerise
Regular verb: mesmerise - mesmerised- mesmerised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mesmerise
you could mesmerise
he could mesmerise
we could mesmerise
you could mesmerise
they could mesmerise 	I could be mesmerising
you could be mesmerising
he could be mesmerising
we could be mesmerising
you could be mesmerising
they could be mesmerising	I could have mesmerised
you could have mesmerised
he could have mesmerised
we could have mesmerised
you could have mesmerised
they could have mesmerised	I could have been mesmerising
you could have been mesmerising
he could have been mesmerising
we could have been mesmerising
you could have been mesmerising
they could have been mesmerising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mesmerise
you couldn't mesmerise
he couldn't mesmerise
we couldn't mesmerise
you couldn't mesmerise
they couldn't mesmerise 	I couldn't be mesmerising
you couldn't be mesmerising
he couldn't be mesmerising
we couldn't be mesmerising
you couldn't be mesmerising
they couldn't be mesmerising	I couldn't have mesmerised
you couldn't have mesmerised
he couldn't have mesmerised
we couldn't have mesmerised
you couldn't have mesmerised
they couldn't have mesmerised	I couldn't have been mesmerising
you couldn't have been mesmerising
he couldn't have been mesmerising
we couldn't have been mesmerising
you couldn't have been mesmerising
they couldn't have been mesmerising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mesmerise?
could you mesmerise?
could he mesmerise?
could we mesmerise?
could you mesmerise?
could they mesmerise? 	could I be mesmerising?
could you be mesmerising?
could he be mesmerising?
could we be mesmerising?
could you be mesmerising?
could they be mesmerising? 	could I have mesmerised?
could you have mesmerised?
could he have mesmerised?
could we have mesmerised?
could you have mesmerised?
could they have mesmerised? 	could I have been mesmerising?
could you have been mesmerising?
could he have been mesmerising?
could we have been mesmerising?
could you have been mesmerising?
could they have been mesmerising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mesmerise?
couldn't you mesmerise?
couldn't he mesmerise?
couldn't we mesmerise?
couldn't you mesmerise?
couldn't they mesmerise? 	couldn't I be mesmerising?
couldn't you be mesmerising?
couldn't he be mesmerising?
couldn't we be mesmerising?
couldn't you be mesmerising?
couldn't they be mesmerising? 	couldn't I have mesmerised?
couldn't you have mesmerised?
couldn't he have mesmerised?
couldn't we have mesmerised?
couldn't you have mesmerised?
couldn't they have mesmerised? 	couldn't I have been mesmerising?
couldn't you have been mesmerising?
couldn't he have been mesmerising?
couldn't we have been mesmerising?
couldn't you have been mesmerising?
couldn't they have been mesmerising?