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