I could cross you could cross he could cross we could cross you could cross they could cross
Forma con V-ing
I could be crossing you could be crossing he could be crossing we could be crossing you could be crossing they could be crossing
Perfecto
I could have crossed you could have crossed he could have crossed we could have crossed you could have crossed they could have crossed
Perfecto con V-ing
I could have been crossing you could have been crossing he could have been crossing we could have been crossing you could have been crossing they could have been crossing
Negación
Forma simple
I couldn't cross you couldn't cross he couldn't cross we couldn't cross you couldn't cross they couldn't cross
Forma con V-ing
I couldn't be crossing you couldn't be crossing he couldn't be crossing we couldn't be crossing you couldn't be crossing they couldn't be crossing
Perfecto
I couldn't have crossed you couldn't have crossed he couldn't have crossed we couldn't have crossed you couldn't have crossed they couldn't have crossed
Perfecto con V-ing
I couldn't have been crossing you couldn't have been crossing he couldn't have been crossing we couldn't have been crossing you couldn't have been crossing they couldn't have been crossing
Forma interrogativa
Forma simple
could I cross? could you cross? could he cross? could we cross? could you cross? could they cross?
Forma con V-ing
could I be crossing? could you be crossing? could he be crossing? could we be crossing? could you be crossing? could they be crossing?
Perfecto
could I have crossed? could you have crossed? could he have crossed? could we have crossed? could you have crossed? could they have crossed?
Perfecto con V-ing
could I have been crossing? could you have been crossing? could he have been crossing? could we have been crossing? could you have been crossing? could they have been crossing?
Forma interro-negativa
Forma simple
couldn't I cross? couldn't you cross? couldn't he cross? couldn't we cross? couldn't you cross? couldn't they cross?
Forma con V-ing
couldn't I be crossing? couldn't you be crossing? couldn't he be crossing? couldn't we be crossing? couldn't you be crossing? couldn't they be crossing?
Perfecto
couldn't I have crossed? couldn't you have crossed? couldn't he have crossed? couldn't we have crossed? couldn't you have crossed? couldn't they have crossed?
Perfecto con V-ing
couldn't I have been crossing? couldn't you have been crossing? couldn't he have been crossing? couldn't we have been crossing? couldn't you have been crossing? couldn't they have been crossing?