I could cover you could cover she could cover we could cover you could cover they could cover
Forma com V-ing
I could be covering you could be covering she could be covering we could be covering you could be covering they could be covering
Perfeito
I could have covered you could have covered she could have covered we could have covered you could have covered they could have covered
Perfeito com V-ing
I could have been covering you could have been covering she could have been covering we could have been covering you could have been covering they could have been covering
Negação
Forma simple
I couldn't cover you couldn't cover she couldn't cover we couldn't cover you couldn't cover they couldn't cover
Forma com V-ing
I couldn't be covering you couldn't be covering she couldn't be covering we couldn't be covering you couldn't be covering they couldn't be covering
Perfeito
I couldn't have covered you couldn't have covered she couldn't have covered we couldn't have covered you couldn't have covered they couldn't have covered
Perfeito com V-ing
I couldn't have been covering you couldn't have been covering she couldn't have been covering we couldn't have been covering you couldn't have been covering they couldn't have been covering
Forma interrogativa
Forma simple
could I cover? could you cover? could she cover? could we cover? could you cover? could they cover?
Forma com V-ing
could I be covering? could you be covering? could she be covering? could we be covering? could you be covering? could they be covering?
Perfeito
could I have covered? could you have covered? could she have covered? could we have covered? could you have covered? could they have covered?
Perfeito com V-ing
could I have been covering? could you have been covering? could she have been covering? could we have been covering? could you have been covering? could they have been covering?
Forma interro-Negação
Forma simple
couldn't I cover? couldn't you cover? couldn't she cover? couldn't we cover? couldn't you cover? couldn't they cover?
Forma com V-ing
couldn't I be covering? couldn't you be covering? couldn't she be covering? couldn't we be covering? couldn't you be covering? couldn't they be covering?
Perfeito
couldn't I have covered? couldn't you have covered? couldn't she have covered? couldn't we have covered? couldn't you have covered? couldn't they have covered?
Perfeito com V-ing
couldn't I have been covering? couldn't you have been covering? couldn't she have been covering? couldn't we have been covering? couldn't you have been covering? couldn't they have been covering?