I could tunnel you could tunnel she could tunnel we could tunnel you could tunnel they could tunnel
Forma com V-ing
I could be tunnelling you could be tunnelling she could be tunnelling we could be tunnelling you could be tunnelling they could be tunnelling
Perfeito
I could have tunnelled you could have tunnelled she could have tunnelled we could have tunnelled you could have tunnelled they could have tunnelled
Perfeito com V-ing
I could have been tunnelling you could have been tunnelling she could have been tunnelling we could have been tunnelling you could have been tunnelling they could have been tunnelling
Negação
Forma simple
I couldn't tunnel you couldn't tunnel she couldn't tunnel we couldn't tunnel you couldn't tunnel they couldn't tunnel
Forma com V-ing
I couldn't be tunnelling you couldn't be tunnelling she couldn't be tunnelling we couldn't be tunnelling you couldn't be tunnelling they couldn't be tunnelling
Perfeito
I couldn't have tunnelled you couldn't have tunnelled she couldn't have tunnelled we couldn't have tunnelled you couldn't have tunnelled they couldn't have tunnelled
Perfeito com V-ing
I couldn't have been tunnelling you couldn't have been tunnelling she couldn't have been tunnelling we couldn't have been tunnelling you couldn't have been tunnelling they couldn't have been tunnelling
Forma interrogativa
Forma simple
could I tunnel? could you tunnel? could she tunnel? could we tunnel? could you tunnel? could they tunnel?
Forma com V-ing
could I be tunnelling? could you be tunnelling? could she be tunnelling? could we be tunnelling? could you be tunnelling? could they be tunnelling?
Perfeito
could I have tunnelled? could you have tunnelled? could she have tunnelled? could we have tunnelled? could you have tunnelled? could they have tunnelled?
Perfeito com V-ing
could I have been tunnelling? could you have been tunnelling? could she have been tunnelling? could we have been tunnelling? could you have been tunnelling? could they have been tunnelling?
Forma interro-Negação
Forma simple
couldn't I tunnel? couldn't you tunnel? couldn't she tunnel? couldn't we tunnel? couldn't you tunnel? couldn't they tunnel?
Forma com V-ing
couldn't I be tunnelling? couldn't you be tunnelling? couldn't she be tunnelling? couldn't we be tunnelling? couldn't you be tunnelling? couldn't they be tunnelling?
Perfeito
couldn't I have tunnelled? couldn't you have tunnelled? couldn't she have tunnelled? couldn't we have tunnelled? couldn't you have tunnelled? couldn't they have tunnelled?
Perfeito com V-ing
couldn't I have been tunnelling? couldn't you have been tunnelling? couldn't she have been tunnelling? couldn't we have been tunnelling? couldn't you have been tunnelling? couldn't they have been tunnelling?