Verbo regular: retighten - retightened - retightened
Afirmação
Forma simple
I could retighten you could retighten she could retighten we could retighten you could retighten they could retighten
Forma com V-ing
I could be retightening you could be retightening she could be retightening we could be retightening you could be retightening they could be retightening
Perfeito
I could have retightened you could have retightened she could have retightened we could have retightened you could have retightened they could have retightened
Perfeito com V-ing
I could have been retightening you could have been retightening she could have been retightening we could have been retightening you could have been retightening they could have been retightening
Negação
Forma simple
I couldn't retighten you couldn't retighten she couldn't retighten we couldn't retighten you couldn't retighten they couldn't retighten
Forma com V-ing
I couldn't be retightening you couldn't be retightening she couldn't be retightening we couldn't be retightening you couldn't be retightening they couldn't be retightening
Perfeito
I couldn't have retightened you couldn't have retightened she couldn't have retightened we couldn't have retightened you couldn't have retightened they couldn't have retightened
Perfeito com V-ing
I couldn't have been retightening you couldn't have been retightening she couldn't have been retightening we couldn't have been retightening you couldn't have been retightening they couldn't have been retightening
Forma interrogativa
Forma simple
could I retighten? could you retighten? could she retighten? could we retighten? could you retighten? could they retighten?
Forma com V-ing
could I be retightening? could you be retightening? could she be retightening? could we be retightening? could you be retightening? could they be retightening?
Perfeito
could I have retightened? could you have retightened? could she have retightened? could we have retightened? could you have retightened? could they have retightened?
Perfeito com V-ing
could I have been retightening? could you have been retightening? could she have been retightening? could we have been retightening? could you have been retightening? could they have been retightening?
Forma interro-Negação
Forma simple
couldn't I retighten? couldn't you retighten? couldn't she retighten? couldn't we retighten? couldn't you retighten? couldn't they retighten?
Forma com V-ing
couldn't I be retightening? couldn't you be retightening? couldn't she be retightening? couldn't we be retightening? couldn't you be retightening? couldn't they be retightening?
Perfeito
couldn't I have retightened? couldn't you have retightened? couldn't she have retightened? couldn't we have retightened? couldn't you have retightened? couldn't they have retightened?
Perfeito com V-ing
couldn't I have been retightening? couldn't you have been retightening? couldn't she have been retightening? couldn't we have been retightening? couldn't you have been retightening? couldn't they have been retightening?