English verb conjugation
MUST RIFT

Regular verb: rift - rifted - rifted

Affirmation

Simple form	V-ing form
I must rift you must rift he must rift we must rift you must rift they must rift	I must be rifting you must be rifting he must be rifting we must be rifting you must be rifting they must be rifting
Perfect	V-ing perfect
I must have rifted you must have rifted he must have rifted we must have rifted you must have rifted they must have rifted	I must have been rifting you must have been rifting he must have been rifting we must have been rifting you must have been rifting they must have been rifting

Negation

Simple form	V-ing form
I must not rift you must not rift he must not rift we must not rift you must not rift they must not rift	I must not be rifting you must not be rifting he must not be rifting we must not be rifting you must not be rifting they must not be rifting
Perfect	V-ing perfect
I must not have rifted you must not have rifted he must not have rifted we must not have rifted you must not have rifted they must not have rifted	I must not have been rifting you must not have been rifting he must not have been rifting we must not have been rifting you must not have been rifting they must not have been rifting

Interrogative form

Simple form	V-ing form
must I rift? must you rift? must he rift? must we rift? must you rift? must they rift?	must I be rifting? must you be rifting? must he be rifting? must we be rifting? must you be rifting? must they be rifting?
Perfect	V-ing perfect
must I have rifted? must you have rifted? must he have rifted? must we have rifted? must you have rifted? must they have rifted?	must I have been rifting? must you have been rifting? must he have been rifting? must we have been rifting? must you have been rifting? must they have been rifting?

Interro-negative form

Simple form	V-ing form
must I not rift? must you not rift? must he not rift? must we not rift? must you not rift? must they not rift?	must I not be rifting? must you not be rifting? must he not be rifting? must we not be rifting? must you not be rifting? must they not be rifting?
Perfect	V-ing perfect
must I not have rifted? must you not have rifted? must he not have rifted? must we not have rifted? must you not have rifted? must they not have rifted?	must I not have been rifting? must you not have been rifting? must he not have been rifting? must we not have been rifting? must you not have been rifting? must they not have been rifting?