English verb conjugation
MUST NEUTER

Regular verb: neuter - neutered - neutered

Affirmation

Simple form	V-ing form
I must neuter you must neuter he must neuter we must neuter you must neuter they must neuter	I must be neutering you must be neutering he must be neutering we must be neutering you must be neutering they must be neutering
Perfect	V-ing perfect
I must have neutered you must have neutered he must have neutered we must have neutered you must have neutered they must have neutered	I must have been neutering you must have been neutering he must have been neutering we must have been neutering you must have been neutering they must have been neutering

Negation

Simple form	V-ing form
I must not neuter you must not neuter he must not neuter we must not neuter you must not neuter they must not neuter	I must not be neutering you must not be neutering he must not be neutering we must not be neutering you must not be neutering they must not be neutering
Perfect	V-ing perfect
I must not have neutered you must not have neutered he must not have neutered we must not have neutered you must not have neutered they must not have neutered	I must not have been neutering you must not have been neutering he must not have been neutering we must not have been neutering you must not have been neutering they must not have been neutering

Interrogative form

Simple form	V-ing form
must I neuter? must you neuter? must he neuter? must we neuter? must you neuter? must they neuter?	must I be neutering? must you be neutering? must he be neutering? must we be neutering? must you be neutering? must they be neutering?
Perfect	V-ing perfect
must I have neutered? must you have neutered? must he have neutered? must we have neutered? must you have neutered? must they have neutered?	must I have been neutering? must you have been neutering? must he have been neutering? must we have been neutering? must you have been neutering? must they have been neutering?

Interro-negative form

Simple form	V-ing form
must I not neuter? must you not neuter? must he not neuter? must we not neuter? must you not neuter? must they not neuter?	must I not be neutering? must you not be neutering? must he not be neutering? must we not be neutering? must you not be neutering? must they not be neutering?
Perfect	V-ing perfect
must I not have neutered? must you not have neutered? must he not have neutered? must we not have neutered? must you not have neutered? must they not have neutered?	must I not have been neutering? must you not have been neutering? must he not have been neutering? must we not have been neutering? must you not have been neutering? must they not have been neutering?