must swell
Verbo irregular: swell - swelled- swelled, swollen

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must swell
you must swell
she must swell
we must swell
you must swell
they must swell 	I must be swelling
you must be swelling
she must be swelling
we must be swelling
you must be swelling
they must be swelling	I must have swelled, swollen
you must have swelled, swollen
she must have swelled, swollen
we must have swelled, swollen
you must have swelled, swollen
they must have swelled, swollen	I must have been swelling
you must have been swelling
she must have been swelling
we must have been swelling
you must have been swelling
they must have been swelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not swell
you must not swell
she must not swell
we must not swell
you must not swell
they must not swell 	I must not be swelling
you must not be swelling
she must not be swelling
we must not be swelling
you must not be swelling
they must not be swelling	I must not have swelled, swollen
you must not have swelled, swollen
she must not have swelled, swollen
we must not have swelled, swollen
you must not have swelled, swollen
they must not have swelled, swollen	I must not have been swelling
you must not have been swelling
she must not have been swelling
we must not have been swelling
you must not have been swelling
they must not have been swelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I swell?
must you swell?
must she swell?
must we swell?
must you swell?
must they swell? 	must I be swelling?
must you be swelling?
must she be swelling?
must we be swelling?
must you be swelling?
must they be swelling? 	must I have swelled, swollen?
must you have swelled, swollen?
must she have swelled, swollen?
must we have swelled, swollen?
must you have swelled, swollen?
must they have swelled, swollen? 	must I have been swelling?
must you have been swelling?
must she have been swelling?
must we have been swelling?
must you have been swelling?
must they have been swelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not swell?
must you not swell?
must she not swell?
must we not swell?
must you not swell?
must they not swell? 	must I not be swelling?
must you not be swelling?
must she not be swelling?
must we not be swelling?
must you not be swelling?
must they not be swelling? 	must I not have swelled, swollen?
must you not have swelled, swollen?
must she not have swelled, swollen?
must we not have swelled, swollen?
must you not have swelled, swollen?
must they not have swelled, swollen? 	must I not have been swelling?
must you not have been swelling?
must she not have been swelling?
must we not have been swelling?
must you not have been swelling?
must they not have been swelling?