I can writhe you can writhe he can writhe we can writhe you can writhe they can writhe
Forma con V-ing
I can be writhing you can be writhing he can be writhing we can be writhing you can be writhing they can be writhing
Perfecto
I can have writhed you can have writhed he can have writhed we can have writhed you can have writhed they can have writhed
Perfecto con V-ing
I can have been writhing you can have been writhing he can have been writhing we can have been writhing you can have been writhing they can have been writhing
Negación
Forma simple
I cannot writhe you cannot writhe he cannot writhe we cannot writhe you cannot writhe they cannot writhe
Forma con V-ing
I cannot be writhing you cannot be writhing he cannot be writhing we cannot be writhing you cannot be writhing they cannot be writhing
Perfecto
I cannot have writhed you cannot have writhed he cannot have writhed we cannot have writhed you cannot have writhed they cannot have writhed
Perfecto con V-ing
I cannot have been writhing you cannot have been writhing he cannot have been writhing we cannot have been writhing you cannot have been writhing they cannot have been writhing
Forma interrogativa
Forma simple
can I writhe? can you writhe? can he writhe? can we writhe? can you writhe? can they writhe?
Forma con V-ing
can I be writhing? can you be writhing? can he be writhing? can we be writhing? can you be writhing? can they be writhing?
Perfecto
can I have writhed? can you have writhed? can he have writhed? can we have writhed? can you have writhed? can they have writhed?
Perfecto con V-ing
can I have been writhing? can you have been writhing? can he have been writhing? can we have been writhing? can you have been writhing? can they have been writhing?
Forma interro-negativa
Forma simple
can I not writhe? can you not writhe? can he not writhe? can we not writhe? can you not writhe? can they not writhe?
Forma con V-ing
can I not be writhing? can you not be writhing? can he not be writhing? can we not be writhing? can you not be writhing? can they not be writhing?
Perfecto
can I not have writhed? can you not have writhed? can he not have writhed? can we not have writhed? can you not have writhed? can they not have writhed?
Perfecto con V-ing
can I not have been writhing? can you not have been writhing? can he not have been writhing? can we not have been writhing? can you not have been writhing? can they not have been writhing?