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