English verb conjugation MUST ALTER ALTER

Regular verb: alter alter - alter altered - alter altered

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I must alter alter
you must alter alter
she must alter alter
we must alter alter
you must alter alter
they must alter alter

V-ing form

I must be alter altering
you must be alter altering
she must be alter altering
we must be alter altering
you must be alter altering
they must be alter altering

Perfect

I must have alter altered
you must have alter altered
she must have alter altered
we must have alter altered
you must have alter altered
they must have alter altered

V-ing perfect

I must have been alter altering
you must have been alter altering
she must have been alter altering
we must have been alter altering
you must have been alter altering
they must have been alter altering

Negation

Simple form

I mustn't alter alter
you mustn't alter alter
she mustn't alter alter
we mustn't alter alter
you mustn't alter alter
they mustn't alter alter

V-ing form

I mustn't be alter altering
you mustn't be alter altering
she mustn't be alter altering
we mustn't be alter altering
you mustn't be alter altering
they mustn't be alter altering

Perfect

I mustn't have alter altered
you mustn't have alter altered
she mustn't have alter altered
we mustn't have alter altered
you mustn't have alter altered
they mustn't have alter altered

V-ing perfect

I mustn't have been alter altering
you mustn't have been alter altering
she mustn't have been alter altering
we mustn't have been alter altering
you mustn't have been alter altering
they mustn't have been alter altering

Interrogative form

Simple form

must I alter alter?
must you alter alter?
must she alter alter?
must we alter alter?
must you alter alter?
must they alter alter?

V-ing form

must I be alter altering?
must you be alter altering?
must she be alter altering?
must we be alter altering?
must you be alter altering?
must they be alter altering?

Perfect

must I have alter altered?
must you have alter altered?
must she have alter altered?
must we have alter altered?
must you have alter altered?
must they have alter altered?

V-ing perfect

must I have been alter altering?
must you have been alter altering?
must she have been alter altering?
must we have been alter altering?
must you have been alter altering?
must they have been alter altering?

Interro-negative form

Simple form

mustn't I alter alter?
mustn't you alter alter?
mustn't she alter alter?
mustn't we alter alter?
mustn't you alter alter?
mustn't they alter alter?

V-ing form

mustn't I be alter altering?
mustn't you be alter altering?
mustn't she be alter altering?
mustn't we be alter altering?
mustn't you be alter altering?
mustn't they be alter altering?

Perfect

mustn't I have alter altered?
mustn't you have alter altered?
mustn't she have alter altered?
mustn't we have alter altered?
mustn't you have alter altered?
mustn't they have alter altered?

V-ing perfect

mustn't I have been alter altering?
mustn't you have been alter altering?
mustn't she have been alter altering?
mustn't we have been alter altering?
mustn't you have been alter altering?
mustn't they have been alter altering?

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