English verb conjugation
MUST COZEN

Regular verb: cozen - cozened - cozened

Affirmation

Simple form	V-ing form
I must cozen you must cozen he must cozen we must cozen you must cozen they must cozen	I must be cozening you must be cozening he must be cozening we must be cozening you must be cozening they must be cozening
Perfect	V-ing perfect
I must have cozened you must have cozened he must have cozened we must have cozened you must have cozened they must have cozened	I must have been cozening you must have been cozening he must have been cozening we must have been cozening you must have been cozening they must have been cozening

Negation

Simple form	V-ing form
I mustn't cozen you mustn't cozen he mustn't cozen we mustn't cozen you mustn't cozen they mustn't cozen	I mustn't be cozening you mustn't be cozening he mustn't be cozening we mustn't be cozening you mustn't be cozening they mustn't be cozening
Perfect	V-ing perfect
I mustn't have cozened you mustn't have cozened he mustn't have cozened we mustn't have cozened you mustn't have cozened they mustn't have cozened	I mustn't have been cozening you mustn't have been cozening he mustn't have been cozening we mustn't have been cozening you mustn't have been cozening they mustn't have been cozening

Interrogative form

Simple form	V-ing form
must I cozen? must you cozen? must he cozen? must we cozen? must you cozen? must they cozen?	must I be cozening? must you be cozening? must he be cozening? must we be cozening? must you be cozening? must they be cozening?
Perfect	V-ing perfect
must I have cozened? must you have cozened? must he have cozened? must we have cozened? must you have cozened? must they have cozened?	must I have been cozening? must you have been cozening? must he have been cozening? must we have been cozening? must you have been cozening? must they have been cozening?

Interro-negative form

Simple form	V-ing form
mustn't I cozen? mustn't you cozen? mustn't he cozen? mustn't we cozen? mustn't you cozen? mustn't they cozen?	mustn't I be cozening? mustn't you be cozening? mustn't he be cozening? mustn't we be cozening? mustn't you be cozening? mustn't they be cozening?
Perfect	V-ing perfect
mustn't I have cozened? mustn't you have cozened? mustn't he have cozened? mustn't we have cozened? mustn't you have cozened? mustn't they have cozened?	mustn't I have been cozening? mustn't you have been cozening? mustn't he have been cozening? mustn't we have been cozening? mustn't you have been cozening? mustn't they have been cozening?