must fit
Verbo irregular: fit - fit, fitted- fit, fitted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must fit
you must fit
she must fit
we must fit
you must fit
they must fit 	I must be fitting
you must be fitting
she must be fitting
we must be fitting
you must be fitting
they must be fitting	I must have fit, fitted
you must have fit, fitted
she must have fit, fitted
we must have fit, fitted
you must have fit, fitted
they must have fit, fitted	I must have been fitting
you must have been fitting
she must have been fitting
we must have been fitting
you must have been fitting
they must have been fitting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not fit
you must not fit
she must not fit
we must not fit
you must not fit
they must not fit 	I must not be fitting
you must not be fitting
she must not be fitting
we must not be fitting
you must not be fitting
they must not be fitting	I must not have fit, fitted
you must not have fit, fitted
she must not have fit, fitted
we must not have fit, fitted
you must not have fit, fitted
they must not have fit, fitted	I must not have been fitting
you must not have been fitting
she must not have been fitting
we must not have been fitting
you must not have been fitting
they must not have been fitting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I fit?
must you fit?
must she fit?
must we fit?
must you fit?
must they fit? 	must I be fitting?
must you be fitting?
must she be fitting?
must we be fitting?
must you be fitting?
must they be fitting? 	must I have fit, fitted?
must you have fit, fitted?
must she have fit, fitted?
must we have fit, fitted?
must you have fit, fitted?
must they have fit, fitted? 	must I have been fitting?
must you have been fitting?
must she have been fitting?
must we have been fitting?
must you have been fitting?
must they have been fitting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not fit?
must you not fit?
must she not fit?
must we not fit?
must you not fit?
must they not fit? 	must I not be fitting?
must you not be fitting?
must she not be fitting?
must we not be fitting?
must you not be fitting?
must they not be fitting? 	must I not have fit, fitted?
must you not have fit, fitted?
must she not have fit, fitted?
must we not have fit, fitted?
must you not have fit, fitted?
must they not have fit, fitted? 	must I not have been fitting?
must you not have been fitting?
must she not have been fitting?
must we not have been fitting?
must you not have been fitting?
must they not have been fitting?