could starch
Verbo regular: starch - starched- starched

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

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

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

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