I can program you can program he can program we can program you can program they can program
Forma con V-ing
I can be programming you can be programming he can be programming we can be programming you can be programming they can be programming
Perfecto
I can have programmed you can have programmed he can have programmed we can have programmed you can have programmed they can have programmed
Perfecto con V-ing
I can have been programming you can have been programming he can have been programming we can have been programming you can have been programming they can have been programming
Negación
Forma simple
I can't program you can't program he can't program we can't program you can't program they can't program
Forma con V-ing
I can't be programming you can't be programming he can't be programming we can't be programming you can't be programming they can't be programming
Perfecto
I can't have programmed you can't have programmed he can't have programmed we can't have programmed you can't have programmed they can't have programmed
Perfecto con V-ing
I can't have been programming you can't have been programming he can't have been programming we can't have been programming you can't have been programming they can't have been programming
Forma interrogativa
Forma simple
can I program? can you program? can he program? can we program? can you program? can they program?
Forma con V-ing
can I be programming? can you be programming? can he be programming? can we be programming? can you be programming? can they be programming?
Perfecto
can I have programmed? can you have programmed? can he have programmed? can we have programmed? can you have programmed? can they have programmed?
Perfecto con V-ing
can I have been programming? can you have been programming? can he have been programming? can we have been programming? can you have been programming? can they have been programming?
Forma interro-negativa
Forma simple
can't I program? can't you program? can't he program? can't we program? can't you program? can't they program?
Forma con V-ing
can't I be programming? can't you be programming? can't he be programming? can't we be programming? can't you be programming? can't they be programming?
Perfecto
can't I have programmed? can't you have programmed? can't he have programmed? can't we have programmed? can't you have programmed? can't they have programmed?
Perfecto con V-ing
can't I have been programming? can't you have been programming? can't he have been programming? can't we have been programming? can't you have been programming? can't they have been programming?