English verb conjugation
MUST PURPOSE

Regular verb: purpose - purposed - purposed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I mustn't purpose you mustn't purpose she 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 she 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 she 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 she 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 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?
Perfect	V-ing perfect
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
mustn't I purpose? mustn't you purpose? mustn't she 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 she 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 she 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 she have been purposing? mustn't we have been purposing? mustn't you have been purposing? mustn't they have been purposing?