can dust
Verbo regular: dust - dusted- dusted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can dust
you can dust
he can dust
we can dust
you can dust
they can dust 	I can be dusting
you can be dusting
he can be dusting
we can be dusting
you can be dusting
they can be dusting	I can have dusted
you can have dusted
he can have dusted
we can have dusted
you can have dusted
they can have dusted	I can have been dusting
you can have been dusting
he can have been dusting
we can have been dusting
you can have been dusting
they can have been dusting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot dust
you cannot dust
he cannot dust
we cannot dust
you cannot dust
they cannot dust 	I cannot be dusting
you cannot be dusting
he cannot be dusting
we cannot be dusting
you cannot be dusting
they cannot be dusting	I cannot have dusted
you cannot have dusted
he cannot have dusted
we cannot have dusted
you cannot have dusted
they cannot have dusted	I cannot have been dusting
you cannot have been dusting
he cannot have been dusting
we cannot have been dusting
you cannot have been dusting
they cannot have been dusting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I dust?
can you dust?
can he dust?
can we dust?
can you dust?
can they dust? 	can I be dusting?
can you be dusting?
can he be dusting?
can we be dusting?
can you be dusting?
can they be dusting? 	can I have dusted?
can you have dusted?
can he have dusted?
can we have dusted?
can you have dusted?
can they have dusted? 	can I have been dusting?
can you have been dusting?
can he have been dusting?
can we have been dusting?
can you have been dusting?
can they have been dusting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not dust?
can you not dust?
can he not dust?
can we not dust?
can you not dust?
can they not dust? 	can I not be dusting?
can you not be dusting?
can he not be dusting?
can we not be dusting?
can you not be dusting?
can they not be dusting? 	can I not have dusted?
can you not have dusted?
can he not have dusted?
can we not have dusted?
can you not have dusted?
can they not have dusted? 	can I not have been dusting?
can you not have been dusting?
can he not have been dusting?
can we not have been dusting?
can you not have been dusting?
can they not have been dusting?