I could code you could code he could code we could code you could code they could code
Forma con V-ing
I could be coding you could be coding he could be coding we could be coding you could be coding they could be coding
Perfecto
I could have coded you could have coded he could have coded we could have coded you could have coded they could have coded
Perfecto con V-ing
I could have been coding you could have been coding he could have been coding we could have been coding you could have been coding they could have been coding
Negación
Forma simple
I couldn't code you couldn't code he couldn't code we couldn't code you couldn't code they couldn't code
Forma con V-ing
I couldn't be coding you couldn't be coding he couldn't be coding we couldn't be coding you couldn't be coding they couldn't be coding
Perfecto
I couldn't have coded you couldn't have coded he couldn't have coded we couldn't have coded you couldn't have coded they couldn't have coded
Perfecto con V-ing
I couldn't have been coding you couldn't have been coding he couldn't have been coding we couldn't have been coding you couldn't have been coding they couldn't have been coding
Forma interrogativa
Forma simple
could I code? could you code? could he code? could we code? could you code? could they code?
Forma con V-ing
could I be coding? could you be coding? could he be coding? could we be coding? could you be coding? could they be coding?
Perfecto
could I have coded? could you have coded? could he have coded? could we have coded? could you have coded? could they have coded?
Perfecto con V-ing
could I have been coding? could you have been coding? could he have been coding? could we have been coding? could you have been coding? could they have been coding?
Forma interro-negativa
Forma simple
couldn't I code? couldn't you code? couldn't he code? couldn't we code? couldn't you code? couldn't they code?
Forma con V-ing
couldn't I be coding? couldn't you be coding? couldn't he be coding? couldn't we be coding? couldn't you be coding? couldn't they be coding?
Perfecto
couldn't I have coded? couldn't you have coded? couldn't he have coded? couldn't we have coded? couldn't you have coded? couldn't they have coded?
Perfecto con V-ing
couldn't I have been coding? couldn't you have been coding? couldn't he have been coding? couldn't we have been coding? couldn't you have been coding? couldn't they have been coding?