English verb conjugation MUST CONTAIN

Regular verb: contain - contained - contained


Affirmation

Simple form

I must contain
you must contain
he must contain
we must contain
you must contain
they must contain

V-ing form

I must be containing
you must be containing
he must be containing
we must be containing
you must be containing
they must be containing

Perfect

I must have contained
you must have contained
he must have contained
we must have contained
you must have contained
they must have contained

V-ing perfect

I must have been containing
you must have been containing
he must have been containing
we must have been containing
you must have been containing
they must have been containing

Negation

Simple form

I mustn't contain
you mustn't contain
he mustn't contain
we mustn't contain
you mustn't contain
they mustn't contain

V-ing form

I mustn't be containing
you mustn't be containing
he mustn't be containing
we mustn't be containing
you mustn't be containing
they mustn't be containing

Perfect

I mustn't have contained
you mustn't have contained
he mustn't have contained
we mustn't have contained
you mustn't have contained
they mustn't have contained

V-ing perfect

I mustn't have been containing
you mustn't have been containing
he mustn't have been containing
we mustn't have been containing
you mustn't have been containing
they mustn't have been containing

Interrogative form

Simple form

must I contain?
must you contain?
must he contain?
must we contain?
must you contain?
must they contain?

V-ing form

must I be containing?
must you be containing?
must he be containing?
must we be containing?
must you be containing?
must they be containing?

Perfect

must I have contained?
must you have contained?
must he have contained?
must we have contained?
must you have contained?
must they have contained?

V-ing perfect

must I have been containing?
must you have been containing?
must he have been containing?
must we have been containing?
must you have been containing?
must they have been containing?

Interro-negative form

Simple form

mustn't I contain?
mustn't you contain?
mustn't he contain?
mustn't we contain?
mustn't you contain?
mustn't they contain?

V-ing form

mustn't I be containing?
mustn't you be containing?
mustn't he be containing?
mustn't we be containing?
mustn't you be containing?
mustn't they be containing?

Perfect

mustn't I have contained?
mustn't you have contained?
mustn't he have contained?
mustn't we have contained?
mustn't you have contained?
mustn't they have contained?

V-ing perfect

mustn't I have been containing?
mustn't you have been containing?
mustn't he have been containing?
mustn't we have been containing?
mustn't you have been containing?
mustn't they have been containing?