could amortise
Regular verb: amortise - amortised- amortised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could amortise
you could amortise
she could amortise
we could amortise
you could amortise
they could amortise 	I could be amortising
you could be amortising
she could be amortising
we could be amortising
you could be amortising
they could be amortising	I could have amortised
you could have amortised
she could have amortised
we could have amortised
you could have amortised
they could have amortised	I could have been amortising
you could have been amortising
she could have been amortising
we could have been amortising
you could have been amortising
they could have been amortising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't amortise
you couldn't amortise
she couldn't amortise
we couldn't amortise
you couldn't amortise
they couldn't amortise 	I couldn't be amortising
you couldn't be amortising
she couldn't be amortising
we couldn't be amortising
you couldn't be amortising
they couldn't be amortising	I couldn't have amortised
you couldn't have amortised
she couldn't have amortised
we couldn't have amortised
you couldn't have amortised
they couldn't have amortised	I couldn't have been amortising
you couldn't have been amortising
she couldn't have been amortising
we couldn't have been amortising
you couldn't have been amortising
they couldn't have been amortising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I amortise?
could you amortise?
could she amortise?
could we amortise?
could you amortise?
could they amortise? 	could I be amortising?
could you be amortising?
could she be amortising?
could we be amortising?
could you be amortising?
could they be amortising? 	could I have amortised?
could you have amortised?
could she have amortised?
could we have amortised?
could you have amortised?
could they have amortised? 	could I have been amortising?
could you have been amortising?
could she have been amortising?
could we have been amortising?
could you have been amortising?
could they have been amortising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I amortise?
couldn't you amortise?
couldn't she amortise?
couldn't we amortise?
couldn't you amortise?
couldn't they amortise? 	couldn't I be amortising?
couldn't you be amortising?
couldn't she be amortising?
couldn't we be amortising?
couldn't you be amortising?
couldn't they be amortising? 	couldn't I have amortised?
couldn't you have amortised?
couldn't she have amortised?
couldn't we have amortised?
couldn't you have amortised?
couldn't they have amortised? 	couldn't I have been amortising?
couldn't you have been amortising?
couldn't she have been amortising?
couldn't we have been amortising?
couldn't you have been amortising?
couldn't they have been amortising?