I can busk you can busk she can busk we can busk you can busk they can busk
Forma com V-ing
I can be busking you can be busking she can be busking we can be busking you can be busking they can be busking
Perfeito
I can have busked you can have busked she can have busked we can have busked you can have busked they can have busked
Perfeito com V-ing
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
Negação
Forma simple
I can't busk you can't busk she can't busk we can't busk you can't busk they can't busk
Forma com V-ing
I can't be busking you can't be busking she can't be busking we can't be busking you can't be busking they can't be busking
Perfeito
I can't have busked you can't have busked she can't have busked we can't have busked you can't have busked they can't have busked
Perfeito com V-ing
I can't have been busking you can't have been busking she can't have been busking we can't have been busking you can't have been busking they can't have been busking
Forma interrogativa
Forma simple
can I busk? can you busk? can she busk? can we busk? can you busk? can they busk?
Forma com V-ing
can I be busking? can you be busking? can she be busking? can we be busking? can you be busking? can they be busking?
Perfeito
can I have busked? can you have busked? can she have busked? can we have busked? can you have busked? can they have busked?
Perfeito com V-ing
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-Negação
Forma simple
can't I busk? can't you busk? can't she busk? can't we busk? can't you busk? can't they busk?
Forma com V-ing
can't I be busking? can't you be busking? can't she be busking? can't we be busking? can't you be busking? can't they be busking?
Perfeito
can't I have busked? can't you have busked? can't she have busked? can't we have busked? can't you have busked? can't they have busked?
Perfeito com V-ing
can't I have been busking? can't you have been busking? can't she have been busking? can't we have been busking? can't you have been busking? can't they have been busking?