English verb conjugation
MUST SWERVE

Regular verb: swerve - swerved - swerved

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?