Conjugación del verbo inglés
COULD PROGRAM

Verbo regular: program - programmed - programmed

Afirmación

Forma simple	Forma con V-ing
I could program you could program he could program we could program you could program they could program	I could be programming you could be programming he could be programming we could be programming you could be programming they could be programming
Perfecto	Perfecto con V-ing
I could have programmed you could have programmed he could have programmed we could have programmed you could have programmed they could have programmed	I could have been programming you could have been programming he could have been programming we could have been programming you could have been programming they could have been programming

Negación

Forma simple	Forma con V-ing
I couldn't program you couldn't program he couldn't program we couldn't program you couldn't program they couldn't program	I couldn't be programming you couldn't be programming he couldn't be programming we couldn't be programming you couldn't be programming they couldn't be programming
Perfecto	Perfecto con V-ing
I couldn't have programmed you couldn't have programmed he couldn't have programmed we couldn't have programmed you couldn't have programmed they couldn't have programmed	I couldn't have been programming you couldn't have been programming he couldn't have been programming we couldn't have been programming you couldn't have been programming they couldn't have been programming

Forma interrogativa

Forma simple	Forma con V-ing
could I program? could you program? could he program? could we program? could you program? could they program?	could I be programming? could you be programming? could he be programming? could we be programming? could you be programming? could they be programming?
Perfecto	Perfecto con V-ing
could I have programmed? could you have programmed? could he have programmed? could we have programmed? could you have programmed? could they have programmed?	could I have been programming? could you have been programming? could he have been programming? could we have been programming? could you have been programming? could they have been programming?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I program? couldn't you program? couldn't he program? couldn't we program? couldn't you program? couldn't they program?	couldn't I be programming? couldn't you be programming? couldn't he be programming? couldn't we be programming? couldn't you be programming? couldn't they be programming?
Perfecto	Perfecto con V-ing
couldn't I have programmed? couldn't you have programmed? couldn't he have programmed? couldn't we have programmed? couldn't you have programmed? couldn't they have programmed?	couldn't I have been programming? couldn't you have been programming? couldn't he have been programming? couldn't we have been programming? couldn't you have been programming? couldn't they have been programming?