English verb conjugation
MUST PUKE

Regular verb: puke - puked - puked

Affirmation

Simple form	V-ing form
I must puke you must puke he must puke we must puke you must puke they must puke	I must be puking you must be puking he must be puking we must be puking you must be puking they must be puking
Perfect	V-ing perfect
I must have puked you must have puked he must have puked we must have puked you must have puked they must have puked	I must have been puking you must have been puking he must have been puking we must have been puking you must have been puking they must have been puking

Negation

Simple form	V-ing form
I mustn't puke you mustn't puke he mustn't puke we mustn't puke you mustn't puke they mustn't puke	I mustn't be puking you mustn't be puking he mustn't be puking we mustn't be puking you mustn't be puking they mustn't be puking
Perfect	V-ing perfect
I mustn't have puked you mustn't have puked he mustn't have puked we mustn't have puked you mustn't have puked they mustn't have puked	I mustn't have been puking you mustn't have been puking he mustn't have been puking we mustn't have been puking you mustn't have been puking they mustn't have been puking

Interrogative form

Simple form	V-ing form
must I puke? must you puke? must he puke? must we puke? must you puke? must they puke?	must I be puking? must you be puking? must he be puking? must we be puking? must you be puking? must they be puking?
Perfect	V-ing perfect
must I have puked? must you have puked? must he have puked? must we have puked? must you have puked? must they have puked?	must I have been puking? must you have been puking? must he have been puking? must we have been puking? must you have been puking? must they have been puking?

Interro-negative form

Simple form	V-ing form
mustn't I puke? mustn't you puke? mustn't he puke? mustn't we puke? mustn't you puke? mustn't they puke?	mustn't I be puking? mustn't you be puking? mustn't he be puking? mustn't we be puking? mustn't you be puking? mustn't they be puking?
Perfect	V-ing perfect
mustn't I have puked? mustn't you have puked? mustn't he have puked? mustn't we have puked? mustn't you have puked? mustn't they have puked?	mustn't I have been puking? mustn't you have been puking? mustn't he have been puking? mustn't we have been puking? mustn't you have been puking? mustn't they have been puking?