could crowd
Verbo regular: crowd - crowded- crowded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could crowd
you could crowd
she could crowd
we could crowd
you could crowd
they could crowd 	I could be crowding
you could be crowding
she could be crowding
we could be crowding
you could be crowding
they could be crowding	I could have crowded
you could have crowded
she could have crowded
we could have crowded
you could have crowded
they could have crowded	I could have been crowding
you could have been crowding
she could have been crowding
we could have been crowding
you could have been crowding
they could have been crowding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not crowd
you could not crowd
she could not crowd
we could not crowd
you could not crowd
they could not crowd 	I could not be crowding
you could not be crowding
she could not be crowding
we could not be crowding
you could not be crowding
they could not be crowding	I could not have crowded
you could not have crowded
she could not have crowded
we could not have crowded
you could not have crowded
they could not have crowded	I could not have been crowding
you could not have been crowding
she could not have been crowding
we could not have been crowding
you could not have been crowding
they could not have been crowding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I crowd?
could you crowd?
could she crowd?
could we crowd?
could you crowd?
could they crowd? 	could I be crowding?
could you be crowding?
could she be crowding?
could we be crowding?
could you be crowding?
could they be crowding? 	could I have crowded?
could you have crowded?
could she have crowded?
could we have crowded?
could you have crowded?
could they have crowded? 	could I have been crowding?
could you have been crowding?
could she have been crowding?
could we have been crowding?
could you have been crowding?
could they have been crowding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not crowd?
could you not crowd?
could she not crowd?
could we not crowd?
could you not crowd?
could they not crowd? 	could I not be crowding?
could you not be crowding?
could she not be crowding?
could we not be crowding?
could you not be crowding?
could they not be crowding? 	could I not have crowded?
could you not have crowded?
could she not have crowded?
could we not have crowded?
could you not have crowded?
could they not have crowded? 	could I not have been crowding?
could you not have been crowding?
could she not have been crowding?
could we not have been crowding?
could you not have been crowding?
could they not have been crowding?