I could couple you could couple she could couple we could couple you could couple they could couple
Forma con V-ing
I could be coupling you could be coupling she could be coupling we could be coupling you could be coupling they could be coupling
Perfecto
I could have coupled you could have coupled she could have coupled we could have coupled you could have coupled they could have coupled
Perfecto con V-ing
I could have been coupling you could have been coupling she could have been coupling we could have been coupling you could have been coupling they could have been coupling
Negación
Forma simple
I couldn't couple you couldn't couple she couldn't couple we couldn't couple you couldn't couple they couldn't couple
Forma con V-ing
I couldn't be coupling you couldn't be coupling she couldn't be coupling we couldn't be coupling you couldn't be coupling they couldn't be coupling
Perfecto
I couldn't have coupled you couldn't have coupled she couldn't have coupled we couldn't have coupled you couldn't have coupled they couldn't have coupled
Perfecto con V-ing
I couldn't have been coupling you couldn't have been coupling she couldn't have been coupling we couldn't have been coupling you couldn't have been coupling they couldn't have been coupling
Forma interrogativa
Forma simple
could I couple? could you couple? could she couple? could we couple? could you couple? could they couple?
Forma con V-ing
could I be coupling? could you be coupling? could she be coupling? could we be coupling? could you be coupling? could they be coupling?
Perfecto
could I have coupled? could you have coupled? could she have coupled? could we have coupled? could you have coupled? could they have coupled?
Perfecto con V-ing
could I have been coupling? could you have been coupling? could she have been coupling? could we have been coupling? could you have been coupling? could they have been coupling?
Forma interro-negativa
Forma simple
couldn't I couple? couldn't you couple? couldn't she couple? couldn't we couple? couldn't you couple? couldn't they couple?
Forma con V-ing
couldn't I be coupling? couldn't you be coupling? couldn't she be coupling? couldn't we be coupling? couldn't you be coupling? couldn't they be coupling?
Perfecto
couldn't I have coupled? couldn't you have coupled? couldn't she have coupled? couldn't we have coupled? couldn't you have coupled? couldn't they have coupled?
Perfecto con V-ing
couldn't I have been coupling? couldn't you have been coupling? couldn't she have been coupling? couldn't we have been coupling? couldn't you have been coupling? couldn't they have been coupling?