English verb conjugation
MUST DISINFECT

Regular verb: disinfect - disinfected - disinfected

Affirmation

Simple form	V-ing form
I must disinfect you must disinfect he must disinfect we must disinfect you must disinfect they must disinfect	I must be disinfecting you must be disinfecting he must be disinfecting we must be disinfecting you must be disinfecting they must be disinfecting
Perfect	V-ing perfect
I must have disinfected you must have disinfected he must have disinfected we must have disinfected you must have disinfected they must have disinfected	I must have been disinfecting you must have been disinfecting he must have been disinfecting we must have been disinfecting you must have been disinfecting they must have been disinfecting

Negation

Simple form	V-ing form
I must not disinfect you must not disinfect he must not disinfect we must not disinfect you must not disinfect they must not disinfect	I must not be disinfecting you must not be disinfecting he must not be disinfecting we must not be disinfecting you must not be disinfecting they must not be disinfecting
Perfect	V-ing perfect
I must not have disinfected you must not have disinfected he must not have disinfected we must not have disinfected you must not have disinfected they must not have disinfected	I must not have been disinfecting you must not have been disinfecting he must not have been disinfecting we must not have been disinfecting you must not have been disinfecting they must not have been disinfecting

Interrogative form

Simple form	V-ing form
must I disinfect? must you disinfect? must he disinfect? must we disinfect? must you disinfect? must they disinfect?	must I be disinfecting? must you be disinfecting? must he be disinfecting? must we be disinfecting? must you be disinfecting? must they be disinfecting?
Perfect	V-ing perfect
must I have disinfected? must you have disinfected? must he have disinfected? must we have disinfected? must you have disinfected? must they have disinfected?	must I have been disinfecting? must you have been disinfecting? must he have been disinfecting? must we have been disinfecting? must you have been disinfecting? must they have been disinfecting?

Interro-negative form

Simple form	V-ing form
must I not disinfect? must you not disinfect? must he not disinfect? must we not disinfect? must you not disinfect? must they not disinfect?	must I not be disinfecting? must you not be disinfecting? must he not be disinfecting? must we not be disinfecting? must you not be disinfecting? must they not be disinfecting?
Perfect	V-ing perfect
must I not have disinfected? must you not have disinfected? must he not have disinfected? must we not have disinfected? must you not have disinfected? must they not have disinfected?	must I not have been disinfecting? must you not have been disinfecting? must he not have been disinfecting? must we not have been disinfecting? must you not have been disinfecting? must they not have been disinfecting?