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