must fitter
Verbe régulier : fitter - fittered- fittered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must fitter
you must fitter
she must fitter
we must fitter
you must fitter
they must fitter 	I must be fittering
you must be fittering
she must be fittering
we must be fittering
you must be fittering
they must be fittering	I must have fittered
you must have fittered
she must have fittered
we must have fittered
you must have fittered
they must have fittered	I must have been fittering
you must have been fittering
she must have been fittering
we must have been fittering
you must have been fittering
they must have been fittering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't fitter
you mustn't fitter
she mustn't fitter
we mustn't fitter
you mustn't fitter
they mustn't fitter 	I mustn't be fittering
you mustn't be fittering
she mustn't be fittering
we mustn't be fittering
you mustn't be fittering
they mustn't be fittering	I mustn't have fittered
you mustn't have fittered
she mustn't have fittered
we mustn't have fittered
you mustn't have fittered
they mustn't have fittered	I mustn't have been fittering
you mustn't have been fittering
she mustn't have been fittering
we mustn't have been fittering
you mustn't have been fittering
they mustn't have been fittering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I fitter?
must you fitter?
must she fitter?
must we fitter?
must you fitter?
must they fitter? 	must I be fittering?
must you be fittering?
must she be fittering?
must we be fittering?
must you be fittering?
must they be fittering? 	must I have fittered?
must you have fittered?
must she have fittered?
must we have fittered?
must you have fittered?
must they have fittered? 	must I have been fittering?
must you have been fittering?
must she have been fittering?
must we have been fittering?
must you have been fittering?
must they have been fittering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I fitter?
mustn't you fitter?
mustn't she fitter?
mustn't we fitter?
mustn't you fitter?
mustn't they fitter? 	mustn't I be fittering?
mustn't you be fittering?
mustn't she be fittering?
mustn't we be fittering?
mustn't you be fittering?
mustn't they be fittering? 	mustn't I have fittered?
mustn't you have fittered?
mustn't she have fittered?
mustn't we have fittered?
mustn't you have fittered?
mustn't they have fittered? 	mustn't I have been fittering?
mustn't you have been fittering?
mustn't she have been fittering?
mustn't we have been fittering?
mustn't you have been fittering?
mustn't they have been fittering?