English verb conjugation MUST VAPOUR

Regular verb: vapour - vapoured - vapoured

Affirmation

Simple form

I must vapour
you must vapour
she must vapour
we must vapour
you must vapour
they must vapour

V-ing form

I must be vapouring
you must be vapouring
she must be vapouring
we must be vapouring
you must be vapouring
they must be vapouring

Perfect

I must have vapoured
you must have vapoured
she must have vapoured
we must have vapoured
you must have vapoured
they must have vapoured

V-ing perfect

I must have been vapouring
you must have been vapouring
she must have been vapouring
we must have been vapouring
you must have been vapouring
they must have been vapouring

Negation

Simple form

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

V-ing form

I mustn't be vapouring
you mustn't be vapouring
she mustn't be vapouring
we mustn't be vapouring
you mustn't be vapouring
they mustn't be vapouring

Perfect

I mustn't have vapoured
you mustn't have vapoured
she mustn't have vapoured
we mustn't have vapoured
you mustn't have vapoured
they mustn't have vapoured

V-ing perfect

I mustn't have been vapouring
you mustn't have been vapouring
she mustn't have been vapouring
we mustn't have been vapouring
you mustn't have been vapouring
they mustn't have been vapouring

Interrogative form

Simple form

must I vapour?
must you vapour?
must she vapour?
must we vapour?
must you vapour?
must they vapour?

V-ing form

must I be vapouring?
must you be vapouring?
must she be vapouring?
must we be vapouring?
must you be vapouring?
must they be vapouring?

Perfect

must I have vapoured?
must you have vapoured?
must she have vapoured?
must we have vapoured?
must you have vapoured?
must they have vapoured?

V-ing perfect

must I have been vapouring?
must you have been vapouring?
must she have been vapouring?
must we have been vapouring?
must you have been vapouring?
must they have been vapouring?

Interro-negative form

Simple form

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

V-ing form

mustn't I be vapouring?
mustn't you be vapouring?
mustn't she be vapouring?
mustn't we be vapouring?
mustn't you be vapouring?
mustn't they be vapouring?

Perfect

mustn't I have vapoured?
mustn't you have vapoured?
mustn't she have vapoured?
mustn't we have vapoured?
mustn't you have vapoured?
mustn't they have vapoured?

V-ing perfect

mustn't I have been vapouring?
mustn't you have been vapouring?
mustn't she have been vapouring?
mustn't we have been vapouring?
mustn't you have been vapouring?
mustn't they have been vapouring?

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