English verb conjugation
MUST PLOP

Regular verb: plop - plopped - plopped

Affirmation

Simple form	V-ing form
I must plop you must plop he must plop we must plop you must plop they must plop	I must be plopping you must be plopping he must be plopping we must be plopping you must be plopping they must be plopping
Perfect	V-ing perfect
I must have plopped you must have plopped he must have plopped we must have plopped you must have plopped they must have plopped	I must have been plopping you must have been plopping he must have been plopping we must have been plopping you must have been plopping they must have been plopping

Negation

Simple form	V-ing form
I mustn't plop you mustn't plop he mustn't plop we mustn't plop you mustn't plop they mustn't plop	I mustn't be plopping you mustn't be plopping he mustn't be plopping we mustn't be plopping you mustn't be plopping they mustn't be plopping
Perfect	V-ing perfect
I mustn't have plopped you mustn't have plopped he mustn't have plopped we mustn't have plopped you mustn't have plopped they mustn't have plopped	I mustn't have been plopping you mustn't have been plopping he mustn't have been plopping we mustn't have been plopping you mustn't have been plopping they mustn't have been plopping

Interrogative form

Simple form	V-ing form
must I plop? must you plop? must he plop? must we plop? must you plop? must they plop?	must I be plopping? must you be plopping? must he be plopping? must we be plopping? must you be plopping? must they be plopping?
Perfect	V-ing perfect
must I have plopped? must you have plopped? must he have plopped? must we have plopped? must you have plopped? must they have plopped?	must I have been plopping? must you have been plopping? must he have been plopping? must we have been plopping? must you have been plopping? must they have been plopping?

Interro-negative form

Simple form	V-ing form
mustn't I plop? mustn't you plop? mustn't he plop? mustn't we plop? mustn't you plop? mustn't they plop?	mustn't I be plopping? mustn't you be plopping? mustn't he be plopping? mustn't we be plopping? mustn't you be plopping? mustn't they be plopping?
Perfect	V-ing perfect
mustn't I have plopped? mustn't you have plopped? mustn't he have plopped? mustn't we have plopped? mustn't you have plopped? mustn't they have plopped?	mustn't I have been plopping? mustn't you have been plopping? mustn't he have been plopping? mustn't we have been plopping? mustn't you have been plopping? mustn't they have been plopping?