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