English verb conjugation
MUST PLUNK

Regular verb: plunk - plunked - plunked

Affirmation

Simple form	V-ing form
I must plunk you must plunk she must plunk we must plunk you must plunk they must plunk	I must be plunking you must be plunking she must be plunking we must be plunking you must be plunking they must be plunking
Perfect	V-ing perfect
I must have plunked you must have plunked she must have plunked we must have plunked you must have plunked they must have plunked	I must have been plunking you must have been plunking she must have been plunking we must have been plunking you must have been plunking they must have been plunking

Negation

Simple form	V-ing form
I mustn't plunk you mustn't plunk she mustn't plunk we mustn't plunk you mustn't plunk they mustn't plunk	I mustn't be plunking you mustn't be plunking she mustn't be plunking we mustn't be plunking you mustn't be plunking they mustn't be plunking
Perfect	V-ing perfect
I mustn't have plunked you mustn't have plunked she mustn't have plunked we mustn't have plunked you mustn't have plunked they mustn't have plunked	I mustn't have been plunking you mustn't have been plunking she mustn't have been plunking we mustn't have been plunking you mustn't have been plunking they mustn't have been plunking

Interrogative form

Simple form	V-ing form
must I plunk? must you plunk? must she plunk? must we plunk? must you plunk? must they plunk?	must I be plunking? must you be plunking? must she be plunking? must we be plunking? must you be plunking? must they be plunking?
Perfect	V-ing perfect
must I have plunked? must you have plunked? must she have plunked? must we have plunked? must you have plunked? must they have plunked?	must I have been plunking? must you have been plunking? must she have been plunking? must we have been plunking? must you have been plunking? must they have been plunking?

Interro-negative form

Simple form	V-ing form
mustn't I plunk? mustn't you plunk? mustn't she plunk? mustn't we plunk? mustn't you plunk? mustn't they plunk?	mustn't I be plunking? mustn't you be plunking? mustn't she be plunking? mustn't we be plunking? mustn't you be plunking? mustn't they be plunking?
Perfect	V-ing perfect
mustn't I have plunked? mustn't you have plunked? mustn't she have plunked? mustn't we have plunked? mustn't you have plunked? mustn't they have plunked?	mustn't I have been plunking? mustn't you have been plunking? mustn't she have been plunking? mustn't we have been plunking? mustn't you have been plunking? mustn't they have been plunking?