Conjugación del verbo inglés
COULD WINDOW

Verbo regular: window - windowed - windowed

Afirmación

Forma simple	Forma con V-ing
I could window you could window he could window we could window you could window they could window	I could be windowing you could be windowing he could be windowing we could be windowing you could be windowing they could be windowing
Perfecto	Perfecto con V-ing
I could have windowed you could have windowed he could have windowed we could have windowed you could have windowed they could have windowed	I could have been windowing you could have been windowing he could have been windowing we could have been windowing you could have been windowing they could have been windowing

Negación

Forma simple	Forma con V-ing
I couldn't window you couldn't window he couldn't window we couldn't window you couldn't window they couldn't window	I couldn't be windowing you couldn't be windowing he couldn't be windowing we couldn't be windowing you couldn't be windowing they couldn't be windowing
Perfecto	Perfecto con V-ing
I couldn't have windowed you couldn't have windowed he couldn't have windowed we couldn't have windowed you couldn't have windowed they couldn't have windowed	I couldn't have been windowing you couldn't have been windowing he couldn't have been windowing we couldn't have been windowing you couldn't have been windowing they couldn't have been windowing

Forma interrogativa

Forma simple	Forma con V-ing
could I window? could you window? could he window? could we window? could you window? could they window?	could I be windowing? could you be windowing? could he be windowing? could we be windowing? could you be windowing? could they be windowing?
Perfecto	Perfecto con V-ing
could I have windowed? could you have windowed? could he have windowed? could we have windowed? could you have windowed? could they have windowed?	could I have been windowing? could you have been windowing? could he have been windowing? could we have been windowing? could you have been windowing? could they have been windowing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I window? couldn't you window? couldn't he window? couldn't we window? couldn't you window? couldn't they window?	couldn't I be windowing? couldn't you be windowing? couldn't he be windowing? couldn't we be windowing? couldn't you be windowing? couldn't they be windowing?
Perfecto	Perfecto con V-ing
couldn't I have windowed? couldn't you have windowed? couldn't he have windowed? couldn't we have windowed? couldn't you have windowed? couldn't they have windowed?	couldn't I have been windowing? couldn't you have been windowing? couldn't he have been windowing? couldn't we have been windowing? couldn't you have been windowing? couldn't they have been windowing?