English verb conjugation
MUST BREATHALYSE

Regular verb: breathalyse - breathalysed - breathalysed

Affirmation

Simple form	V-ing form
I must breathalyse you must breathalyse she must breathalyse we must breathalyse you must breathalyse they must breathalyse	I must be breathalysing you must be breathalysing she must be breathalysing we must be breathalysing you must be breathalysing they must be breathalysing
Perfect	V-ing perfect
I must have breathalysed you must have breathalysed she must have breathalysed we must have breathalysed you must have breathalysed they must have breathalysed	I must have been breathalysing you must have been breathalysing she must have been breathalysing we must have been breathalysing you must have been breathalysing they must have been breathalysing

Negation

Simple form	V-ing form
I mustn't breathalyse you mustn't breathalyse she mustn't breathalyse we mustn't breathalyse you mustn't breathalyse they mustn't breathalyse	I mustn't be breathalysing you mustn't be breathalysing she mustn't be breathalysing we mustn't be breathalysing you mustn't be breathalysing they mustn't be breathalysing
Perfect	V-ing perfect
I mustn't have breathalysed you mustn't have breathalysed she mustn't have breathalysed we mustn't have breathalysed you mustn't have breathalysed they mustn't have breathalysed	I mustn't have been breathalysing you mustn't have been breathalysing she mustn't have been breathalysing we mustn't have been breathalysing you mustn't have been breathalysing they mustn't have been breathalysing

Interrogative form

Simple form	V-ing form
must I breathalyse? must you breathalyse? must she breathalyse? must we breathalyse? must you breathalyse? must they breathalyse?	must I be breathalysing? must you be breathalysing? must she be breathalysing? must we be breathalysing? must you be breathalysing? must they be breathalysing?
Perfect	V-ing perfect
must I have breathalysed? must you have breathalysed? must she have breathalysed? must we have breathalysed? must you have breathalysed? must they have breathalysed?	must I have been breathalysing? must you have been breathalysing? must she have been breathalysing? must we have been breathalysing? must you have been breathalysing? must they have been breathalysing?

Interro-negative form

Simple form	V-ing form
mustn't I breathalyse? mustn't you breathalyse? mustn't she breathalyse? mustn't we breathalyse? mustn't you breathalyse? mustn't they breathalyse?	mustn't I be breathalysing? mustn't you be breathalysing? mustn't she be breathalysing? mustn't we be breathalysing? mustn't you be breathalysing? mustn't they be breathalysing?
Perfect	V-ing perfect
mustn't I have breathalysed? mustn't you have breathalysed? mustn't she have breathalysed? mustn't we have breathalysed? mustn't you have breathalysed? mustn't they have breathalysed?	mustn't I have been breathalysing? mustn't you have been breathalysing? mustn't she have been breathalysing? mustn't we have been breathalysing? mustn't you have been breathalysing? mustn't they have been breathalysing?