I can cross you can cross he can cross we can cross you can cross they can cross
Forma com V-ing
I can be crossing you can be crossing he can be crossing we can be crossing you can be crossing they can be crossing
Perfeito
I can have crossed you can have crossed he can have crossed we can have crossed you can have crossed they can have crossed
Perfeito com V-ing
I can have been crossing you can have been crossing he can have been crossing we can have been crossing you can have been crossing they can have been crossing
Negação
Forma simple
I can't cross you can't cross he can't cross we can't cross you can't cross they can't cross
Forma com V-ing
I can't be crossing you can't be crossing he can't be crossing we can't be crossing you can't be crossing they can't be crossing
Perfeito
I can't have crossed you can't have crossed he can't have crossed we can't have crossed you can't have crossed they can't have crossed
Perfeito com V-ing
I can't have been crossing you can't have been crossing he can't have been crossing we can't have been crossing you can't have been crossing they can't have been crossing
Forma interrogativa
Forma simple
can I cross? can you cross? can he cross? can we cross? can you cross? can they cross?
Forma com V-ing
can I be crossing? can you be crossing? can he be crossing? can we be crossing? can you be crossing? can they be crossing?
Perfeito
can I have crossed? can you have crossed? can he have crossed? can we have crossed? can you have crossed? can they have crossed?
Perfeito com V-ing
can I have been crossing? can you have been crossing? can he have been crossing? can we have been crossing? can you have been crossing? can they have been crossing?
Forma interro-Negação
Forma simple
can't I cross? can't you cross? can't he cross? can't we cross? can't you cross? can't they cross?
Forma com V-ing
can't I be crossing? can't you be crossing? can't he be crossing? can't we be crossing? can't you be crossing? can't they be crossing?
Perfeito
can't I have crossed? can't you have crossed? can't he have crossed? can't we have crossed? can't you have crossed? can't they have crossed?
Perfeito com V-ing
can't I have been crossing? can't you have been crossing? can't he have been crossing? can't we have been crossing? can't you have been crossing? can't they have been crossing?