can busk
Verbo regular: busk - busked- busked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can busk
you can busk
she can busk
we can busk
you can busk
they can busk 	I can be busking
you can be busking
she can be busking
we can be busking
you can be busking
they can be busking	I can have busked
you can have busked
she can have busked
we can have busked
you can have busked
they can have busked	I can have been busking
you can have been busking
she can have been busking
we can have been busking
you can have been busking
they can have been busking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot busk
you cannot busk
she cannot busk
we cannot busk
you cannot busk
they cannot busk 	I cannot be busking
you cannot be busking
she cannot be busking
we cannot be busking
you cannot be busking
they cannot be busking	I cannot have busked
you cannot have busked
she cannot have busked
we cannot have busked
you cannot have busked
they cannot have busked	I cannot have been busking
you cannot have been busking
she cannot have been busking
we cannot have been busking
you cannot have been busking
they cannot have been busking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I busk?
can you busk?
can she busk?
can we busk?
can you busk?
can they busk? 	can I be busking?
can you be busking?
can she be busking?
can we be busking?
can you be busking?
can they be busking? 	can I have busked?
can you have busked?
can she have busked?
can we have busked?
can you have busked?
can they have busked? 	can I have been busking?
can you have been busking?
can she have been busking?
can we have been busking?
can you have been busking?
can they have been busking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not busk?
can you not busk?
can she not busk?
can we not busk?
can you not busk?
can they not busk? 	can I not be busking?
can you not be busking?
can she not be busking?
can we not be busking?
can you not be busking?
can they not be busking? 	can I not have busked?
can you not have busked?
can she not have busked?
can we not have busked?
can you not have busked?
can they not have busked? 	can I not have been busking?
can you not have been busking?
can she not have been busking?
can we not have been busking?
can you not have been busking?
can they not have been busking?