English verb conjugation
MUST PHASE

Regular verb: phase - phased - phased

Affirmation

Simple form	V-ing form
I must phase you must phase he must phase we must phase you must phase they must phase	I must be phasing you must be phasing he must be phasing we must be phasing you must be phasing they must be phasing
Perfect	V-ing perfect
I must have phased you must have phased he must have phased we must have phased you must have phased they must have phased	I must have been phasing you must have been phasing he must have been phasing we must have been phasing you must have been phasing they must have been phasing

Negation

Simple form	V-ing form
I mustn't phase you mustn't phase he mustn't phase we mustn't phase you mustn't phase they mustn't phase	I mustn't be phasing you mustn't be phasing he mustn't be phasing we mustn't be phasing you mustn't be phasing they mustn't be phasing
Perfect	V-ing perfect
I mustn't have phased you mustn't have phased he mustn't have phased we mustn't have phased you mustn't have phased they mustn't have phased	I mustn't have been phasing you mustn't have been phasing he mustn't have been phasing we mustn't have been phasing you mustn't have been phasing they mustn't have been phasing

Interrogative form

Simple form	V-ing form
must I phase? must you phase? must he phase? must we phase? must you phase? must they phase?	must I be phasing? must you be phasing? must he be phasing? must we be phasing? must you be phasing? must they be phasing?
Perfect	V-ing perfect
must I have phased? must you have phased? must he have phased? must we have phased? must you have phased? must they have phased?	must I have been phasing? must you have been phasing? must he have been phasing? must we have been phasing? must you have been phasing? must they have been phasing?

Interro-negative form

Simple form	V-ing form
mustn't I phase? mustn't you phase? mustn't he phase? mustn't we phase? mustn't you phase? mustn't they phase?	mustn't I be phasing? mustn't you be phasing? mustn't he be phasing? mustn't we be phasing? mustn't you be phasing? mustn't they be phasing?
Perfect	V-ing perfect
mustn't I have phased? mustn't you have phased? mustn't he have phased? mustn't we have phased? mustn't you have phased? mustn't they have phased?	mustn't I have been phasing? mustn't you have been phasing? mustn't he have been phasing? mustn't we have been phasing? mustn't you have been phasing? mustn't they have been phasing?