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