could intitule
Regular verb: intitule - intituled- intituled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could intitule
you could intitule
he could intitule
we could intitule
you could intitule
they could intitule 	I could be intituling
you could be intituling
he could be intituling
we could be intituling
you could be intituling
they could be intituling	I could have intituled
you could have intituled
he could have intituled
we could have intituled
you could have intituled
they could have intituled	I could have been intituling
you could have been intituling
he could have been intituling
we could have been intituling
you could have been intituling
they could have been intituling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't intitule
you couldn't intitule
he couldn't intitule
we couldn't intitule
you couldn't intitule
they couldn't intitule 	I couldn't be intituling
you couldn't be intituling
he couldn't be intituling
we couldn't be intituling
you couldn't be intituling
they couldn't be intituling	I couldn't have intituled
you couldn't have intituled
he couldn't have intituled
we couldn't have intituled
you couldn't have intituled
they couldn't have intituled	I couldn't have been intituling
you couldn't have been intituling
he couldn't have been intituling
we couldn't have been intituling
you couldn't have been intituling
they couldn't have been intituling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I intitule?
could you intitule?
could he intitule?
could we intitule?
could you intitule?
could they intitule? 	could I be intituling?
could you be intituling?
could he be intituling?
could we be intituling?
could you be intituling?
could they be intituling? 	could I have intituled?
could you have intituled?
could he have intituled?
could we have intituled?
could you have intituled?
could they have intituled? 	could I have been intituling?
could you have been intituling?
could he have been intituling?
could we have been intituling?
could you have been intituling?
could they have been intituling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I intitule?
couldn't you intitule?
couldn't he intitule?
couldn't we intitule?
couldn't you intitule?
couldn't they intitule? 	couldn't I be intituling?
couldn't you be intituling?
couldn't he be intituling?
couldn't we be intituling?
couldn't you be intituling?
couldn't they be intituling? 	couldn't I have intituled?
couldn't you have intituled?
couldn't he have intituled?
couldn't we have intituled?
couldn't you have intituled?
couldn't they have intituled? 	couldn't I have been intituling?
couldn't you have been intituling?
couldn't he have been intituling?
couldn't we have been intituling?
couldn't you have been intituling?
couldn't they have been intituling?