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