could stylise
Regular verb: stylise - stylised- stylised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could stylise
you could stylise
he could stylise
we could stylise
you could stylise
they could stylise 	I could be stylising
you could be stylising
he could be stylising
we could be stylising
you could be stylising
they could be stylising	I could have stylised
you could have stylised
he could have stylised
we could have stylised
you could have stylised
they could have stylised	I could have been stylising
you could have been stylising
he could have been stylising
we could have been stylising
you could have been stylising
they could have been stylising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't stylise
you couldn't stylise
he couldn't stylise
we couldn't stylise
you couldn't stylise
they couldn't stylise 	I couldn't be stylising
you couldn't be stylising
he couldn't be stylising
we couldn't be stylising
you couldn't be stylising
they couldn't be stylising	I couldn't have stylised
you couldn't have stylised
he couldn't have stylised
we couldn't have stylised
you couldn't have stylised
they couldn't have stylised	I couldn't have been stylising
you couldn't have been stylising
he couldn't have been stylising
we couldn't have been stylising
you couldn't have been stylising
they couldn't have been stylising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I stylise?
could you stylise?
could he stylise?
could we stylise?
could you stylise?
could they stylise? 	could I be stylising?
could you be stylising?
could he be stylising?
could we be stylising?
could you be stylising?
could they be stylising? 	could I have stylised?
could you have stylised?
could he have stylised?
could we have stylised?
could you have stylised?
could they have stylised? 	could I have been stylising?
could you have been stylising?
could he have been stylising?
could we have been stylising?
could you have been stylising?
could they have been stylising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I stylise?
couldn't you stylise?
couldn't he stylise?
couldn't we stylise?
couldn't you stylise?
couldn't they stylise? 	couldn't I be stylising?
couldn't you be stylising?
couldn't he be stylising?
couldn't we be stylising?
couldn't you be stylising?
couldn't they be stylising? 	couldn't I have stylised?
couldn't you have stylised?
couldn't he have stylised?
couldn't we have stylised?
couldn't you have stylised?
couldn't they have stylised? 	couldn't I have been stylising?
couldn't you have been stylising?
couldn't he have been stylising?
couldn't we have been stylising?
couldn't you have been stylising?
couldn't they have been stylising?