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