I could blush you could blush she could blush we could blush you could blush they could blush
Forma con V-ing
I could be blushing you could be blushing she could be blushing we could be blushing you could be blushing they could be blushing
Perfecto
I could have blushed you could have blushed she could have blushed we could have blushed you could have blushed they could have blushed
Perfecto con V-ing
I could have been blushing you could have been blushing she could have been blushing we could have been blushing you could have been blushing they could have been blushing
Negación
Forma simple
I couldn't blush you couldn't blush she couldn't blush we couldn't blush you couldn't blush they couldn't blush
Forma con V-ing
I couldn't be blushing you couldn't be blushing she couldn't be blushing we couldn't be blushing you couldn't be blushing they couldn't be blushing
Perfecto
I couldn't have blushed you couldn't have blushed she couldn't have blushed we couldn't have blushed you couldn't have blushed they couldn't have blushed
Perfecto con V-ing
I couldn't have been blushing you couldn't have been blushing she couldn't have been blushing we couldn't have been blushing you couldn't have been blushing they couldn't have been blushing
Forma interrogativa
Forma simple
could I blush? could you blush? could she blush? could we blush? could you blush? could they blush?
Forma con V-ing
could I be blushing? could you be blushing? could she be blushing? could we be blushing? could you be blushing? could they be blushing?
Perfecto
could I have blushed? could you have blushed? could she have blushed? could we have blushed? could you have blushed? could they have blushed?
Perfecto con V-ing
could I have been blushing? could you have been blushing? could she have been blushing? could we have been blushing? could you have been blushing? could they have been blushing?
Forma interro-negativa
Forma simple
couldn't I blush? couldn't you blush? couldn't she blush? couldn't we blush? couldn't you blush? couldn't they blush?
Forma con V-ing
couldn't I be blushing? couldn't you be blushing? couldn't she be blushing? couldn't we be blushing? couldn't you be blushing? couldn't they be blushing?
Perfecto
couldn't I have blushed? couldn't you have blushed? couldn't she have blushed? couldn't we have blushed? couldn't you have blushed? couldn't they have blushed?
Perfecto con V-ing
couldn't I have been blushing? couldn't you have been blushing? couldn't she have been blushing? couldn't we have been blushing? couldn't you have been blushing? couldn't they have been blushing?