English verb conjugation
MUST PRINK

Regular verb: prink - prinked - prinked

Affirmation

Simple form	V-ing form
I must prink you must prink he must prink we must prink you must prink they must prink	I must be prinking you must be prinking he must be prinking we must be prinking you must be prinking they must be prinking
Perfect	V-ing perfect
I must have prinked you must have prinked he must have prinked we must have prinked you must have prinked they must have prinked	I must have been prinking you must have been prinking he must have been prinking we must have been prinking you must have been prinking they must have been prinking

Negation

Simple form	V-ing form
I mustn't prink you mustn't prink he mustn't prink we mustn't prink you mustn't prink they mustn't prink	I mustn't be prinking you mustn't be prinking he mustn't be prinking we mustn't be prinking you mustn't be prinking they mustn't be prinking
Perfect	V-ing perfect
I mustn't have prinked you mustn't have prinked he mustn't have prinked we mustn't have prinked you mustn't have prinked they mustn't have prinked	I mustn't have been prinking you mustn't have been prinking he mustn't have been prinking we mustn't have been prinking you mustn't have been prinking they mustn't have been prinking

Interrogative form

Simple form	V-ing form
must I prink? must you prink? must he prink? must we prink? must you prink? must they prink?	must I be prinking? must you be prinking? must he be prinking? must we be prinking? must you be prinking? must they be prinking?
Perfect	V-ing perfect
must I have prinked? must you have prinked? must he have prinked? must we have prinked? must you have prinked? must they have prinked?	must I have been prinking? must you have been prinking? must he have been prinking? must we have been prinking? must you have been prinking? must they have been prinking?

Interro-negative form

Simple form	V-ing form
mustn't I prink? mustn't you prink? mustn't he prink? mustn't we prink? mustn't you prink? mustn't they prink?	mustn't I be prinking? mustn't you be prinking? mustn't he be prinking? mustn't we be prinking? mustn't you be prinking? mustn't they be prinking?
Perfect	V-ing perfect
mustn't I have prinked? mustn't you have prinked? mustn't he have prinked? mustn't we have prinked? mustn't you have prinked? mustn't they have prinked?	mustn't I have been prinking? mustn't you have been prinking? mustn't he have been prinking? mustn't we have been prinking? mustn't you have been prinking? mustn't they have been prinking?