can crowd
Verbo regular: crowd - crowded- crowded

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

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

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

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