must outspell
Verbe irrégulier : outspell - outspelled, outspelt- outspelled, outspelt

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must outspell
you must outspell
she must outspell
we must outspell
you must outspell
they must outspell 	I must be outspelling
you must be outspelling
she must be outspelling
we must be outspelling
you must be outspelling
they must be outspelling	I must have outspelled, outspelt
you must have outspelled, outspelt
she must have outspelled, outspelt
we must have outspelled, outspelt
you must have outspelled, outspelt
they must have outspelled, outspelt	I must have been outspelling
you must have been outspelling
she must have been outspelling
we must have been outspelling
you must have been outspelling
they must have been outspelling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't outspell
you mustn't outspell
she mustn't outspell
we mustn't outspell
you mustn't outspell
they mustn't outspell 	I mustn't be outspelling
you mustn't be outspelling
she mustn't be outspelling
we mustn't be outspelling
you mustn't be outspelling
they mustn't be outspelling	I mustn't have outspelled, outspelt
you mustn't have outspelled, outspelt
she mustn't have outspelled, outspelt
we mustn't have outspelled, outspelt
you mustn't have outspelled, outspelt
they mustn't have outspelled, outspelt	I mustn't have been outspelling
you mustn't have been outspelling
she mustn't have been outspelling
we mustn't have been outspelling
you mustn't have been outspelling
they mustn't have been outspelling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I outspell?
must you outspell?
must she outspell?
must we outspell?
must you outspell?
must they outspell? 	must I be outspelling?
must you be outspelling?
must she be outspelling?
must we be outspelling?
must you be outspelling?
must they be outspelling? 	must I have outspelled, outspelt?
must you have outspelled, outspelt?
must she have outspelled, outspelt?
must we have outspelled, outspelt?
must you have outspelled, outspelt?
must they have outspelled, outspelt? 	must I have been outspelling?
must you have been outspelling?
must she have been outspelling?
must we have been outspelling?
must you have been outspelling?
must they have been outspelling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I outspell?
mustn't you outspell?
mustn't she outspell?
mustn't we outspell?
mustn't you outspell?
mustn't they outspell? 	mustn't I be outspelling?
mustn't you be outspelling?
mustn't she be outspelling?
mustn't we be outspelling?
mustn't you be outspelling?
mustn't they be outspelling? 	mustn't I have outspelled, outspelt?
mustn't you have outspelled, outspelt?
mustn't she have outspelled, outspelt?
mustn't we have outspelled, outspelt?
mustn't you have outspelled, outspelt?
mustn't they have outspelled, outspelt? 	mustn't I have been outspelling?
mustn't you have been outspelling?
mustn't she have been outspelling?
mustn't we have been outspelling?
mustn't you have been outspelling?
mustn't they have been outspelling?