must purpose
Regular verb: purpose - purposed- purposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must purpose
you must purpose
she must purpose
we must purpose
you must purpose
they must purpose 	I must be purposing
you must be purposing
she must be purposing
we must be purposing
you must be purposing
they must be purposing	I must have purposed
you must have purposed
she must have purposed
we must have purposed
you must have purposed
they must have purposed	I must have been purposing
you must have been purposing
she must have been purposing
we must have been purposing
you must have been purposing
they must have been purposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not purpose
you must not purpose
she must not purpose
we must not purpose
you must not purpose
they must not purpose 	I must not be purposing
you must not be purposing
she must not be purposing
we must not be purposing
you must not be purposing
they must not be purposing	I must not have purposed
you must not have purposed
she must not have purposed
we must not have purposed
you must not have purposed
they must not have purposed	I must not have been purposing
you must not have been purposing
she must not have been purposing
we must not have been purposing
you must not have been purposing
they must not have been purposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I purpose?
must you purpose?
must she purpose?
must we purpose?
must you purpose?
must they purpose? 	must I be purposing?
must you be purposing?
must she be purposing?
must we be purposing?
must you be purposing?
must they be purposing? 	must I have purposed?
must you have purposed?
must she have purposed?
must we have purposed?
must you have purposed?
must they have purposed? 	must I have been purposing?
must you have been purposing?
must she have been purposing?
must we have been purposing?
must you have been purposing?
must they have been purposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not purpose?
must you not purpose?
must she not purpose?
must we not purpose?
must you not purpose?
must they not purpose? 	must I not be purposing?
must you not be purposing?
must she not be purposing?
must we not be purposing?
must you not be purposing?
must they not be purposing? 	must I not have purposed?
must you not have purposed?
must she not have purposed?
must we not have purposed?
must you not have purposed?
must they not have purposed? 	must I not have been purposing?
must you not have been purposing?
must she not have been purposing?
must we not have been purposing?
must you not have been purposing?
must they not have been purposing?