could swerve
Regular verb: swerve - swerved- swerved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could swerve
you could swerve
he could swerve
we could swerve
you could swerve
they could swerve 	I could be swerving
you could be swerving
he could be swerving
we could be swerving
you could be swerving
they could be swerving	I could have swerved
you could have swerved
he could have swerved
we could have swerved
you could have swerved
they could have swerved	I could have been swerving
you could have been swerving
he could have been swerving
we could have been swerving
you could have been swerving
they could have been swerving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not swerve
you could not swerve
he could not swerve
we could not swerve
you could not swerve
they could not swerve 	I could not be swerving
you could not be swerving
he could not be swerving
we could not be swerving
you could not be swerving
they could not be swerving	I could not have swerved
you could not have swerved
he could not have swerved
we could not have swerved
you could not have swerved
they could not have swerved	I could not have been swerving
you could not have been swerving
he could not have been swerving
we could not have been swerving
you could not have been swerving
they could not have been swerving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I swerve?
could you swerve?
could he swerve?
could we swerve?
could you swerve?
could they swerve? 	could I be swerving?
could you be swerving?
could he be swerving?
could we be swerving?
could you be swerving?
could they be swerving? 	could I have swerved?
could you have swerved?
could he have swerved?
could we have swerved?
could you have swerved?
could they have swerved? 	could I have been swerving?
could you have been swerving?
could he have been swerving?
could we have been swerving?
could you have been swerving?
could they have been swerving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not swerve?
could you not swerve?
could he not swerve?
could we not swerve?
could you not swerve?
could they not swerve? 	could I not be swerving?
could you not be swerving?
could he not be swerving?
could we not be swerving?
could you not be swerving?
could they not be swerving? 	could I not have swerved?
could you not have swerved?
could he not have swerved?
could we not have swerved?
could you not have swerved?
could they not have swerved? 	could I not have been swerving?
could you not have been swerving?
could he not have been swerving?
could we not have been swerving?
could you not have been swerving?
could they not have been swerving?