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 mustn't neuter you mustn't neuter he mustn't neuter we mustn't neuter you mustn't neuter they mustn't neuter	I mustn't be neutering you mustn't be neutering he mustn't be neutering we mustn't be neutering you mustn't be neutering they mustn't be neutering
Perfect	V-ing perfect
I mustn't have neutered you mustn't have neutered he mustn't have neutered we mustn't have neutered you mustn't have neutered they mustn't have neutered	I mustn't have been neutering you mustn't have been neutering he mustn't have been neutering we mustn't have been neutering you mustn't have been neutering they mustn't 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
mustn't I neuter? mustn't you neuter? mustn't he neuter? mustn't we neuter? mustn't you neuter? mustn't they neuter?	mustn't I be neutering? mustn't you be neutering? mustn't he be neutering? mustn't we be neutering? mustn't you be neutering? mustn't they be neutering?
Perfect	V-ing perfect
mustn't I have neutered? mustn't you have neutered? mustn't he have neutered? mustn't we have neutered? mustn't you have neutered? mustn't they have neutered?	mustn't I have been neutering? mustn't you have been neutering? mustn't he have been neutering? mustn't we have been neutering? mustn't you have been neutering? mustn't they have been neutering?