English verb conjugation MUST STAIN STH

Regular verb: stain sth - stain sthed - stain sthed

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

Affirmation

Simple form

I must stain sth
you must stain sth
he must stain sth
we must stain sth
you must stain sth
they must stain sth

V-ing form

I must be stain sthing
you must be stain sthing
he must be stain sthing
we must be stain sthing
you must be stain sthing
they must be stain sthing

Perfect

I must have stain sthed
you must have stain sthed
he must have stain sthed
we must have stain sthed
you must have stain sthed
they must have stain sthed

V-ing perfect

I must have been stain sthing
you must have been stain sthing
he must have been stain sthing
we must have been stain sthing
you must have been stain sthing
they must have been stain sthing

Negation

Simple form

I mustn't stain sth
you mustn't stain sth
he mustn't stain sth
we mustn't stain sth
you mustn't stain sth
they mustn't stain sth

V-ing form

I mustn't be stain sthing
you mustn't be stain sthing
he mustn't be stain sthing
we mustn't be stain sthing
you mustn't be stain sthing
they mustn't be stain sthing

Perfect

I mustn't have stain sthed
you mustn't have stain sthed
he mustn't have stain sthed
we mustn't have stain sthed
you mustn't have stain sthed
they mustn't have stain sthed

V-ing perfect

I mustn't have been stain sthing
you mustn't have been stain sthing
he mustn't have been stain sthing
we mustn't have been stain sthing
you mustn't have been stain sthing
they mustn't have been stain sthing

Interrogative form

Simple form

must I stain sth?
must you stain sth?
must he stain sth?
must we stain sth?
must you stain sth?
must they stain sth?

V-ing form

must I be stain sthing?
must you be stain sthing?
must he be stain sthing?
must we be stain sthing?
must you be stain sthing?
must they be stain sthing?

Perfect

must I have stain sthed?
must you have stain sthed?
must he have stain sthed?
must we have stain sthed?
must you have stain sthed?
must they have stain sthed?

V-ing perfect

must I have been stain sthing?
must you have been stain sthing?
must he have been stain sthing?
must we have been stain sthing?
must you have been stain sthing?
must they have been stain sthing?

Interro-negative form

Simple form

mustn't I stain sth?
mustn't you stain sth?
mustn't he stain sth?
mustn't we stain sth?
mustn't you stain sth?
mustn't they stain sth?

V-ing form

mustn't I be stain sthing?
mustn't you be stain sthing?
mustn't he be stain sthing?
mustn't we be stain sthing?
mustn't you be stain sthing?
mustn't they be stain sthing?

Perfect

mustn't I have stain sthed?
mustn't you have stain sthed?
mustn't he have stain sthed?
mustn't we have stain sthed?
mustn't you have stain sthed?
mustn't they have stain sthed?

V-ing perfect

mustn't I have been stain sthing?
mustn't you have been stain sthing?
mustn't he have been stain sthing?
mustn't we have been stain sthing?
mustn't you have been stain sthing?
mustn't they have been stain sthing?

Page top