must tabby
Verbe régulier : tabby - tabbied- tabbied

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must tabby
you must tabby
she must tabby
we must tabby
you must tabby
they must tabby 	I must be tabbying
you must be tabbying
she must be tabbying
we must be tabbying
you must be tabbying
they must be tabbying	I must have tabbied
you must have tabbied
she must have tabbied
we must have tabbied
you must have tabbied
they must have tabbied	I must have been tabbying
you must have been tabbying
she must have been tabbying
we must have been tabbying
you must have been tabbying
they must have been tabbying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't tabby
you mustn't tabby
she mustn't tabby
we mustn't tabby
you mustn't tabby
they mustn't tabby 	I mustn't be tabbying
you mustn't be tabbying
she mustn't be tabbying
we mustn't be tabbying
you mustn't be tabbying
they mustn't be tabbying	I mustn't have tabbied
you mustn't have tabbied
she mustn't have tabbied
we mustn't have tabbied
you mustn't have tabbied
they mustn't have tabbied	I mustn't have been tabbying
you mustn't have been tabbying
she mustn't have been tabbying
we mustn't have been tabbying
you mustn't have been tabbying
they mustn't have been tabbying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I tabby?
must you tabby?
must she tabby?
must we tabby?
must you tabby?
must they tabby? 	must I be tabbying?
must you be tabbying?
must she be tabbying?
must we be tabbying?
must you be tabbying?
must they be tabbying? 	must I have tabbied?
must you have tabbied?
must she have tabbied?
must we have tabbied?
must you have tabbied?
must they have tabbied? 	must I have been tabbying?
must you have been tabbying?
must she have been tabbying?
must we have been tabbying?
must you have been tabbying?
must they have been tabbying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I tabby?
mustn't you tabby?
mustn't she tabby?
mustn't we tabby?
mustn't you tabby?
mustn't they tabby? 	mustn't I be tabbying?
mustn't you be tabbying?
mustn't she be tabbying?
mustn't we be tabbying?
mustn't you be tabbying?
mustn't they be tabbying? 	mustn't I have tabbied?
mustn't you have tabbied?
mustn't she have tabbied?
mustn't we have tabbied?
mustn't you have tabbied?
mustn't they have tabbied? 	mustn't I have been tabbying?
mustn't you have been tabbying?
mustn't she have been tabbying?
mustn't we have been tabbying?
mustn't you have been tabbying?
mustn't they have been tabbying?