must swerve
Regular verb: swerve - swerved- swerved

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

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

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

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