I could blush you could blush he could blush we could blush you could blush they could blush
Forme en V-ing
I could be blushing you could be blushing he could be blushing we could be blushing you could be blushing they could be blushing
Perfect
I could have blushed you could have blushed he could have blushed we could have blushed you could have blushed they could have blushed
Perfect en V-ing
I could have been blushing you could have been blushing he could have been blushing we could have been blushing you could have been blushing they could have been blushing
Négation
Forme simple
I couldn't blush you couldn't blush he couldn't blush we couldn't blush you couldn't blush they couldn't blush
Forme en V-ing
I couldn't be blushing you couldn't be blushing he couldn't be blushing we couldn't be blushing you couldn't be blushing they couldn't be blushing
Perfect
I couldn't have blushed you couldn't have blushed he couldn't have blushed we couldn't have blushed you couldn't have blushed they couldn't have blushed
Perfect en V-ing
I couldn't have been blushing you couldn't have been blushing he couldn't have been blushing we couldn't have been blushing you couldn't have been blushing they couldn't have been blushing
Forme interrogative
Forme simple
could I blush? could you blush? could he blush? could we blush? could you blush? could they blush?
Forme en V-ing
could I be blushing? could you be blushing? could he be blushing? could we be blushing? could you be blushing? could they be blushing?
Perfect
could I have blushed? could you have blushed? could he have blushed? could we have blushed? could you have blushed? could they have blushed?
Perfect en V-ing
could I have been blushing? could you have been blushing? could he have been blushing? could we have been blushing? could you have been blushing? could they have been blushing?
Forme interro-négative
Forme simple
couldn't I blush? couldn't you blush? couldn't he blush? couldn't we blush? couldn't you blush? couldn't they blush?
Forme en V-ing
couldn't I be blushing? couldn't you be blushing? couldn't he be blushing? couldn't we be blushing? couldn't you be blushing? couldn't they be blushing?
Perfect
couldn't I have blushed? couldn't you have blushed? couldn't he have blushed? couldn't we have blushed? couldn't you have blushed? couldn't they have blushed?
Perfect en V-ing
couldn't I have been blushing? couldn't you have been blushing? couldn't he have been blushing? couldn't we have been blushing? couldn't you have been blushing? couldn't they have been blushing?