I could slit you could slit he could slit we could slit you could slit they could slit
Forma com V-ing
I could be slitting you could be slitting he could be slitting we could be slitting you could be slitting they could be slitting
Perfeito
I could have slit you could have slit he could have slit we could have slit you could have slit they could have slit
Perfeito com V-ing
I could have been slitting you could have been slitting he could have been slitting we could have been slitting you could have been slitting they could have been slitting
Negação
Forma simple
I couldn't slit you couldn't slit he couldn't slit we couldn't slit you couldn't slit they couldn't slit
Forma com V-ing
I couldn't be slitting you couldn't be slitting he couldn't be slitting we couldn't be slitting you couldn't be slitting they couldn't be slitting
Perfeito
I couldn't have slit you couldn't have slit he couldn't have slit we couldn't have slit you couldn't have slit they couldn't have slit
Perfeito com V-ing
I couldn't have been slitting you couldn't have been slitting he couldn't have been slitting we couldn't have been slitting you couldn't have been slitting they couldn't have been slitting
Forma interrogativa
Forma simple
could I slit? could you slit? could he slit? could we slit? could you slit? could they slit?
Forma com V-ing
could I be slitting? could you be slitting? could he be slitting? could we be slitting? could you be slitting? could they be slitting?
Perfeito
could I have slit? could you have slit? could he have slit? could we have slit? could you have slit? could they have slit?
Perfeito com V-ing
could I have been slitting? could you have been slitting? could he have been slitting? could we have been slitting? could you have been slitting? could they have been slitting?
Forma interro-Negação
Forma simple
couldn't I slit? couldn't you slit? couldn't he slit? couldn't we slit? couldn't you slit? couldn't they slit?
Forma com V-ing
couldn't I be slitting? couldn't you be slitting? couldn't he be slitting? couldn't we be slitting? couldn't you be slitting? couldn't they be slitting?
Perfeito
couldn't I have slit? couldn't you have slit? couldn't he have slit? couldn't we have slit? couldn't you have slit? couldn't they have slit?
Perfeito com V-ing
couldn't I have been slitting? couldn't you have been slitting? couldn't he have been slitting? couldn't we have been slitting? couldn't you have been slitting? couldn't they have been slitting?