can download
Regular verb: download - downloaded- downloaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can download
you can download
she can download
we can download
you can download
they can download 	I can be downloading
you can be downloading
she can be downloading
we can be downloading
you can be downloading
they can be downloading	I can have downloaded
you can have downloaded
she can have downloaded
we can have downloaded
you can have downloaded
they can have downloaded	I can have been downloading
you can have been downloading
she can have been downloading
we can have been downloading
you can have been downloading
they can have been downloading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot download
you cannot download
she cannot download
we cannot download
you cannot download
they cannot download 	I cannot be downloading
you cannot be downloading
she cannot be downloading
we cannot be downloading
you cannot be downloading
they cannot be downloading	I cannot have downloaded
you cannot have downloaded
she cannot have downloaded
we cannot have downloaded
you cannot have downloaded
they cannot have downloaded	I cannot have been downloading
you cannot have been downloading
she cannot have been downloading
we cannot have been downloading
you cannot have been downloading
they cannot have been downloading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I download?
can you download?
can she download?
can we download?
can you download?
can they download? 	can I be downloading?
can you be downloading?
can she be downloading?
can we be downloading?
can you be downloading?
can they be downloading? 	can I have downloaded?
can you have downloaded?
can she have downloaded?
can we have downloaded?
can you have downloaded?
can they have downloaded? 	can I have been downloading?
can you have been downloading?
can she have been downloading?
can we have been downloading?
can you have been downloading?
can they have been downloading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not download?
can you not download?
can she not download?
can we not download?
can you not download?
can they not download? 	can I not be downloading?
can you not be downloading?
can she not be downloading?
can we not be downloading?
can you not be downloading?
can they not be downloading? 	can I not have downloaded?
can you not have downloaded?
can she not have downloaded?
can we not have downloaded?
can you not have downloaded?
can they not have downloaded? 	can I not have been downloading?
can you not have been downloading?
can she not have been downloading?
can we not have been downloading?
can you not have been downloading?
can they not have been downloading?