English verb conjugation
MUST PURPOSE

Regular verb: purpose - purposed - purposed

Affirmation

Simple form	V-ing form
I must purpose you must purpose he must purpose we must purpose you must purpose they must purpose	I must be purposing you must be purposing he must be purposing we must be purposing you must be purposing they must be purposing
Perfect	V-ing perfect
I must have purposed you must have purposed he 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 he 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
I mustn't purpose you mustn't purpose he mustn't purpose we mustn't purpose you mustn't purpose they mustn't purpose	I mustn't be purposing you mustn't be purposing he mustn't be purposing we mustn't be purposing you mustn't be purposing they mustn't be purposing
Perfect	V-ing perfect
I mustn't have purposed you mustn't have purposed he mustn't have purposed we mustn't have purposed you mustn't have purposed they mustn't have purposed	I mustn't have been purposing you mustn't have been purposing he mustn't have been purposing we mustn't have been purposing you mustn't have been purposing they mustn't have been purposing

Interrogative form

Simple form	V-ing form
must I purpose? must you purpose? must he purpose? must we purpose? must you purpose? must they purpose?	must I be purposing? must you be purposing? must he be purposing? must we be purposing? must you be purposing? must they be purposing?
Perfect	V-ing perfect
must I have purposed? must you have purposed? must he 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 he 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
mustn't I purpose? mustn't you purpose? mustn't he purpose? mustn't we purpose? mustn't you purpose? mustn't they purpose?	mustn't I be purposing? mustn't you be purposing? mustn't he be purposing? mustn't we be purposing? mustn't you be purposing? mustn't they be purposing?
Perfect	V-ing perfect
mustn't I have purposed? mustn't you have purposed? mustn't he have purposed? mustn't we have purposed? mustn't you have purposed? mustn't they have purposed?	mustn't I have been purposing? mustn't you have been purposing? mustn't he have been purposing? mustn't we have been purposing? mustn't you have been purposing? mustn't they have been purposing?