English verb conjugation
MUST BREATHALYSE

Regular verb: breathalyse - breathalysed - breathalysed

Affirmation

Simple form	V-ing form
I must breathalyse you must breathalyse he must breathalyse we must breathalyse you must breathalyse they must breathalyse	I must be breathalysing you must be breathalysing he 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 he 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 he 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 must not breathalyse you must not breathalyse he must not breathalyse we must not breathalyse you must not breathalyse they must not breathalyse	I must not be breathalysing you must not be breathalysing he must not be breathalysing we must not be breathalysing you must not be breathalysing they must not be breathalysing
Perfect	V-ing perfect
I must not have breathalysed you must not have breathalysed he must not have breathalysed we must not have breathalysed you must not have breathalysed they must not have breathalysed	I must not have been breathalysing you must not have been breathalysing he must not have been breathalysing we must not have been breathalysing you must not have been breathalysing they must not have been breathalysing

Interrogative form

Simple form	V-ing form
must I breathalyse? must you breathalyse? must he breathalyse? must we breathalyse? must you breathalyse? must they breathalyse?	must I be breathalysing? must you be breathalysing? must he 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 he 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 he 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
must I not breathalyse? must you not breathalyse? must he not breathalyse? must we not breathalyse? must you not breathalyse? must they not breathalyse?	must I not be breathalysing? must you not be breathalysing? must he not be breathalysing? must we not be breathalysing? must you not be breathalysing? must they not be breathalysing?
Perfect	V-ing perfect
must I not have breathalysed? must you not have breathalysed? must he not have breathalysed? must we not have breathalysed? must you not have breathalysed? must they not have breathalysed?	must I not have been breathalysing? must you not have been breathalysing? must he not have been breathalysing? must we not have been breathalysing? must you not have been breathalysing? must they not have been breathalysing?