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