I could fall you could fall she could fall we could fall you could fall they could fall
Forma com V-ing
I could be falling you could be falling she could be falling we could be falling you could be falling they could be falling
Perfeito
I could have fallen you could have fallen she could have fallen we could have fallen you could have fallen they could have fallen
Perfeito com V-ing
I could have been falling you could have been falling she could have been falling we could have been falling you could have been falling they could have been falling
Negação
Forma simple
I could not fall you could not fall she could not fall we could not fall you could not fall they could not fall
Forma com V-ing
I could not be falling you could not be falling she could not be falling we could not be falling you could not be falling they could not be falling
Perfeito
I could not have fallen you could not have fallen she could not have fallen we could not have fallen you could not have fallen they could not have fallen
Perfeito com V-ing
I could not have been falling you could not have been falling she could not have been falling we could not have been falling you could not have been falling they could not have been falling
Forma interrogativa
Forma simple
could I fall? could you fall? could she fall? could we fall? could you fall? could they fall?
Forma com V-ing
could I be falling? could you be falling? could she be falling? could we be falling? could you be falling? could they be falling?
Perfeito
could I have fallen? could you have fallen? could she have fallen? could we have fallen? could you have fallen? could they have fallen?
Perfeito com V-ing
could I have been falling? could you have been falling? could she have been falling? could we have been falling? could you have been falling? could they have been falling?
Forma interro-Negação
Forma simple
could I not fall? could you not fall? could she not fall? could we not fall? could you not fall? could they not fall?
Forma com V-ing
could I not be falling? could you not be falling? could she not be falling? could we not be falling? could you not be falling? could they not be falling?
Perfeito
could I not have fallen? could you not have fallen? could she not have fallen? could we not have fallen? could you not have fallen? could they not have fallen?
Perfeito com V-ing
could I not have been falling? could you not have been falling? could she not have been falling? could we not have been falling? could you not have been falling? could they not have been falling?