could hyperbolise
Regular verb: hyperbolise - hyperbolised- hyperbolised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hyperbolise
you could hyperbolise
he could hyperbolise
we could hyperbolise
you could hyperbolise
they could hyperbolise 	I could be hyperbolising
you could be hyperbolising
he could be hyperbolising
we could be hyperbolising
you could be hyperbolising
they could be hyperbolising	I could have hyperbolised
you could have hyperbolised
he could have hyperbolised
we could have hyperbolised
you could have hyperbolised
they could have hyperbolised	I could have been hyperbolising
you could have been hyperbolising
he could have been hyperbolising
we could have been hyperbolising
you could have been hyperbolising
they could have been hyperbolising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't hyperbolise
you couldn't hyperbolise
he couldn't hyperbolise
we couldn't hyperbolise
you couldn't hyperbolise
they couldn't hyperbolise 	I couldn't be hyperbolising
you couldn't be hyperbolising
he couldn't be hyperbolising
we couldn't be hyperbolising
you couldn't be hyperbolising
they couldn't be hyperbolising	I couldn't have hyperbolised
you couldn't have hyperbolised
he couldn't have hyperbolised
we couldn't have hyperbolised
you couldn't have hyperbolised
they couldn't have hyperbolised	I couldn't have been hyperbolising
you couldn't have been hyperbolising
he couldn't have been hyperbolising
we couldn't have been hyperbolising
you couldn't have been hyperbolising
they couldn't have been hyperbolising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hyperbolise?
could you hyperbolise?
could he hyperbolise?
could we hyperbolise?
could you hyperbolise?
could they hyperbolise? 	could I be hyperbolising?
could you be hyperbolising?
could he be hyperbolising?
could we be hyperbolising?
could you be hyperbolising?
could they be hyperbolising? 	could I have hyperbolised?
could you have hyperbolised?
could he have hyperbolised?
could we have hyperbolised?
could you have hyperbolised?
could they have hyperbolised? 	could I have been hyperbolising?
could you have been hyperbolising?
could he have been hyperbolising?
could we have been hyperbolising?
could you have been hyperbolising?
could they have been hyperbolising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I hyperbolise?
couldn't you hyperbolise?
couldn't he hyperbolise?
couldn't we hyperbolise?
couldn't you hyperbolise?
couldn't they hyperbolise? 	couldn't I be hyperbolising?
couldn't you be hyperbolising?
couldn't he be hyperbolising?
couldn't we be hyperbolising?
couldn't you be hyperbolising?
couldn't they be hyperbolising? 	couldn't I have hyperbolised?
couldn't you have hyperbolised?
couldn't he have hyperbolised?
couldn't we have hyperbolised?
couldn't you have hyperbolised?
couldn't they have hyperbolised? 	couldn't I have been hyperbolising?
couldn't you have been hyperbolising?
couldn't he have been hyperbolising?
couldn't we have been hyperbolising?
couldn't you have been hyperbolising?
couldn't they have been hyperbolising?