could cantilever
Regular verb: cantilever - cantilevered- cantilevered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cantilever
you could cantilever
she could cantilever
we could cantilever
you could cantilever
they could cantilever 	I could be cantilevering
you could be cantilevering
she could be cantilevering
we could be cantilevering
you could be cantilevering
they could be cantilevering	I could have cantilevered
you could have cantilevered
she could have cantilevered
we could have cantilevered
you could have cantilevered
they could have cantilevered	I could have been cantilevering
you could have been cantilevering
she could have been cantilevering
we could have been cantilevering
you could have been cantilevering
they could have been cantilevering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't cantilever
you couldn't cantilever
she couldn't cantilever
we couldn't cantilever
you couldn't cantilever
they couldn't cantilever 	I couldn't be cantilevering
you couldn't be cantilevering
she couldn't be cantilevering
we couldn't be cantilevering
you couldn't be cantilevering
they couldn't be cantilevering	I couldn't have cantilevered
you couldn't have cantilevered
she couldn't have cantilevered
we couldn't have cantilevered
you couldn't have cantilevered
they couldn't have cantilevered	I couldn't have been cantilevering
you couldn't have been cantilevering
she couldn't have been cantilevering
we couldn't have been cantilevering
you couldn't have been cantilevering
they couldn't have been cantilevering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cantilever?
could you cantilever?
could she cantilever?
could we cantilever?
could you cantilever?
could they cantilever? 	could I be cantilevering?
could you be cantilevering?
could she be cantilevering?
could we be cantilevering?
could you be cantilevering?
could they be cantilevering? 	could I have cantilevered?
could you have cantilevered?
could she have cantilevered?
could we have cantilevered?
could you have cantilevered?
could they have cantilevered? 	could I have been cantilevering?
could you have been cantilevering?
could she have been cantilevering?
could we have been cantilevering?
could you have been cantilevering?
could they have been cantilevering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I cantilever?
couldn't you cantilever?
couldn't she cantilever?
couldn't we cantilever?
couldn't you cantilever?
couldn't they cantilever? 	couldn't I be cantilevering?
couldn't you be cantilevering?
couldn't she be cantilevering?
couldn't we be cantilevering?
couldn't you be cantilevering?
couldn't they be cantilevering? 	couldn't I have cantilevered?
couldn't you have cantilevered?
couldn't she have cantilevered?
couldn't we have cantilevered?
couldn't you have cantilevered?
couldn't they have cantilevered? 	couldn't I have been cantilevering?
couldn't you have been cantilevering?
couldn't she have been cantilevering?
couldn't we have been cantilevering?
couldn't you have been cantilevering?
couldn't they have been cantilevering?