I could interest you could interest she could interest we could interest you could interest they could interest
Forma com 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
Perfeito
I could have interested you could have interested she could have interested we could have interested you could have interested they could have interested
Perfeito com 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
Negação
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 com 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
Perfeito
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
Perfeito com 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 com 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?
Perfeito
could I have interested? could you have interested? could she have interested? could we have interested? could you have interested? could they have interested?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?