must starch
Verbo regular: starch - starched- starched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must starch
you must starch
she must starch
we must starch
you must starch
they must starch 	I must be starching
you must be starching
she must be starching
we must be starching
you must be starching
they must be starching	I must have starched
you must have starched
she must have starched
we must have starched
you must have starched
they must have starched	I must have been starching
you must have been starching
she must have been starching
we must have been starching
you must have been starching
they must have been starching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not starch
you must not starch
she must not starch
we must not starch
you must not starch
they must not starch 	I must not be starching
you must not be starching
she must not be starching
we must not be starching
you must not be starching
they must not be starching	I must not have starched
you must not have starched
she must not have starched
we must not have starched
you must not have starched
they must not have starched	I must not have been starching
you must not have been starching
she must not have been starching
we must not have been starching
you must not have been starching
they must not have been starching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I starch?
must you starch?
must she starch?
must we starch?
must you starch?
must they starch? 	must I be starching?
must you be starching?
must she be starching?
must we be starching?
must you be starching?
must they be starching? 	must I have starched?
must you have starched?
must she have starched?
must we have starched?
must you have starched?
must they have starched? 	must I have been starching?
must you have been starching?
must she have been starching?
must we have been starching?
must you have been starching?
must they have been starching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not starch?
must you not starch?
must she not starch?
must we not starch?
must you not starch?
must they not starch? 	must I not be starching?
must you not be starching?
must she not be starching?
must we not be starching?
must you not be starching?
must they not be starching? 	must I not have starched?
must you not have starched?
must she not have starched?
must we not have starched?
must you not have starched?
must they not have starched? 	must I not have been starching?
must you not have been starching?
must she not have been starching?
must we not have been starching?
must you not have been starching?
must they not have been starching?