English verb conjugation
MUST OUTSTAY

Regular verb: outstay - outstayed - outstayed

Affirmation

Simple form	V-ing form
I must outstay you must outstay he must outstay we must outstay you must outstay they must outstay	I must be outstaying you must be outstaying he must be outstaying we must be outstaying you must be outstaying they must be outstaying
Perfect	V-ing perfect
I must have outstayed you must have outstayed he must have outstayed we must have outstayed you must have outstayed they must have outstayed	I must have been outstaying you must have been outstaying he must have been outstaying we must have been outstaying you must have been outstaying they must have been outstaying

Negation

Simple form	V-ing form
I mustn't outstay you mustn't outstay he mustn't outstay we mustn't outstay you mustn't outstay they mustn't outstay	I mustn't be outstaying you mustn't be outstaying he mustn't be outstaying we mustn't be outstaying you mustn't be outstaying they mustn't be outstaying
Perfect	V-ing perfect
I mustn't have outstayed you mustn't have outstayed he mustn't have outstayed we mustn't have outstayed you mustn't have outstayed they mustn't have outstayed	I mustn't have been outstaying you mustn't have been outstaying he mustn't have been outstaying we mustn't have been outstaying you mustn't have been outstaying they mustn't have been outstaying

Interrogative form

Simple form	V-ing form
must I outstay? must you outstay? must he outstay? must we outstay? must you outstay? must they outstay?	must I be outstaying? must you be outstaying? must he be outstaying? must we be outstaying? must you be outstaying? must they be outstaying?
Perfect	V-ing perfect
must I have outstayed? must you have outstayed? must he have outstayed? must we have outstayed? must you have outstayed? must they have outstayed?	must I have been outstaying? must you have been outstaying? must he have been outstaying? must we have been outstaying? must you have been outstaying? must they have been outstaying?

Interro-negative form

Simple form	V-ing form
mustn't I outstay? mustn't you outstay? mustn't he outstay? mustn't we outstay? mustn't you outstay? mustn't they outstay?	mustn't I be outstaying? mustn't you be outstaying? mustn't he be outstaying? mustn't we be outstaying? mustn't you be outstaying? mustn't they be outstaying?
Perfect	V-ing perfect
mustn't I have outstayed? mustn't you have outstayed? mustn't he have outstayed? mustn't we have outstayed? mustn't you have outstayed? mustn't they have outstayed?	mustn't I have been outstaying? mustn't you have been outstaying? mustn't he have been outstaying? mustn't we have been outstaying? mustn't you have been outstaying? mustn't they have been outstaying?