English verb conjugation
MUST BREATHALYZE

Regular verb: breathalyze - breathalyzed - breathalyzed

Affirmation

Simple form	V-ing form
I must breathalyze you must breathalyze he must breathalyze we must breathalyze you must breathalyze they must breathalyze	I must be breathalyzing you must be breathalyzing he must be breathalyzing we must be breathalyzing you must be breathalyzing they must be breathalyzing
Perfect	V-ing perfect
I must have breathalyzed you must have breathalyzed he must have breathalyzed we must have breathalyzed you must have breathalyzed they must have breathalyzed	I must have been breathalyzing you must have been breathalyzing he must have been breathalyzing we must have been breathalyzing you must have been breathalyzing they must have been breathalyzing

Negation

Simple form	V-ing form
I mustn't breathalyze you mustn't breathalyze he mustn't breathalyze we mustn't breathalyze you mustn't breathalyze they mustn't breathalyze	I mustn't be breathalyzing you mustn't be breathalyzing he mustn't be breathalyzing we mustn't be breathalyzing you mustn't be breathalyzing they mustn't be breathalyzing
Perfect	V-ing perfect
I mustn't have breathalyzed you mustn't have breathalyzed he mustn't have breathalyzed we mustn't have breathalyzed you mustn't have breathalyzed they mustn't have breathalyzed	I mustn't have been breathalyzing you mustn't have been breathalyzing he mustn't have been breathalyzing we mustn't have been breathalyzing you mustn't have been breathalyzing they mustn't have been breathalyzing

Interrogative form

Simple form	V-ing form
must I breathalyze? must you breathalyze? must he breathalyze? must we breathalyze? must you breathalyze? must they breathalyze?	must I be breathalyzing? must you be breathalyzing? must he be breathalyzing? must we be breathalyzing? must you be breathalyzing? must they be breathalyzing?
Perfect	V-ing perfect
must I have breathalyzed? must you have breathalyzed? must he have breathalyzed? must we have breathalyzed? must you have breathalyzed? must they have breathalyzed?	must I have been breathalyzing? must you have been breathalyzing? must he have been breathalyzing? must we have been breathalyzing? must you have been breathalyzing? must they have been breathalyzing?

Interro-negative form

Simple form	V-ing form
mustn't I breathalyze? mustn't you breathalyze? mustn't he breathalyze? mustn't we breathalyze? mustn't you breathalyze? mustn't they breathalyze?	mustn't I be breathalyzing? mustn't you be breathalyzing? mustn't he be breathalyzing? mustn't we be breathalyzing? mustn't you be breathalyzing? mustn't they be breathalyzing?
Perfect	V-ing perfect
mustn't I have breathalyzed? mustn't you have breathalyzed? mustn't he have breathalyzed? mustn't we have breathalyzed? mustn't you have breathalyzed? mustn't they have breathalyzed?	mustn't I have been breathalyzing? mustn't you have been breathalyzing? mustn't he have been breathalyzing? mustn't we have been breathalyzing? mustn't you have been breathalyzing? mustn't they have been breathalyzing?