can drop
Verbo regular: drop - dropped- dropped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can drop
you can drop
she can drop
we can drop
you can drop
they can drop 	I can be dropping
you can be dropping
she can be dropping
we can be dropping
you can be dropping
they can be dropping	I can have dropped
you can have dropped
she can have dropped
we can have dropped
you can have dropped
they can have dropped	I can have been dropping
you can have been dropping
she can have been dropping
we can have been dropping
you can have been dropping
they can have been dropping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't drop
you can't drop
she can't drop
we can't drop
you can't drop
they can't drop 	I can't be dropping
you can't be dropping
she can't be dropping
we can't be dropping
you can't be dropping
they can't be dropping	I can't have dropped
you can't have dropped
she can't have dropped
we can't have dropped
you can't have dropped
they can't have dropped	I can't have been dropping
you can't have been dropping
she can't have been dropping
we can't have been dropping
you can't have been dropping
they can't have been dropping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I drop?
can you drop?
can she drop?
can we drop?
can you drop?
can they drop? 	can I be dropping?
can you be dropping?
can she be dropping?
can we be dropping?
can you be dropping?
can they be dropping? 	can I have dropped?
can you have dropped?
can she have dropped?
can we have dropped?
can you have dropped?
can they have dropped? 	can I have been dropping?
can you have been dropping?
can she have been dropping?
can we have been dropping?
can you have been dropping?
can they have been dropping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I drop?
can't you drop?
can't she drop?
can't we drop?
can't you drop?
can't they drop? 	can't I be dropping?
can't you be dropping?
can't she be dropping?
can't we be dropping?
can't you be dropping?
can't they be dropping? 	can't I have dropped?
can't you have dropped?
can't she have dropped?
can't we have dropped?
can't you have dropped?
can't they have dropped? 	can't I have been dropping?
can't you have been dropping?
can't she have been dropping?
can't we have been dropping?
can't you have been dropping?
can't they have been dropping?