I could underperform you could underperform she could underperform we could underperform you could underperform they could underperform
Form mit V-ing
I could be underperforming you could be underperforming she could be underperforming we could be underperforming you could be underperforming they could be underperforming
Perfekt
I could have underperformed you could have underperformed she could have underperformed we could have underperformed you could have underperformed they could have underperformed
Perfekt mit V-ing
I could have been underperforming you could have been underperforming she could have been underperforming we could have been underperforming you could have been underperforming they could have been underperforming
Negation
Einfache Form
I couldn't underperform you couldn't underperform she couldn't underperform we couldn't underperform you couldn't underperform they couldn't underperform
Form mit V-ing
I couldn't be underperforming you couldn't be underperforming she couldn't be underperforming we couldn't be underperforming you couldn't be underperforming they couldn't be underperforming
Perfekt
I couldn't have underperformed you couldn't have underperformed she couldn't have underperformed we couldn't have underperformed you couldn't have underperformed they couldn't have underperformed
Perfekt mit V-ing
I couldn't have been underperforming you couldn't have been underperforming she couldn't have been underperforming we couldn't have been underperforming you couldn't have been underperforming they couldn't have been underperforming
Fragende Form
Einfache Form
could I underperform? could you underperform? could she underperform? could we underperform? could you underperform? could they underperform?
Form mit V-ing
could I be underperforming? could you be underperforming? could she be underperforming? could we be underperforming? could you be underperforming? could they be underperforming?
Perfekt
could I have underperformed? could you have underperformed? could she have underperformed? could we have underperformed? could you have underperformed? could they have underperformed?
Perfekt mit V-ing
could I have been underperforming? could you have been underperforming? could she have been underperforming? could we have been underperforming? could you have been underperforming? could they have been underperforming?
Fragende Negation Form
Einfache Form
couldn't I underperform? couldn't you underperform? couldn't she underperform? couldn't we underperform? couldn't you underperform? couldn't they underperform?
Form mit V-ing
couldn't I be underperforming? couldn't you be underperforming? couldn't she be underperforming? couldn't we be underperforming? couldn't you be underperforming? couldn't they be underperforming?
Perfekt
couldn't I have underperformed? couldn't you have underperformed? couldn't she have underperformed? couldn't we have underperformed? couldn't you have underperformed? couldn't they have underperformed?
Perfekt mit V-ing
couldn't I have been underperforming? couldn't you have been underperforming? couldn't she have been underperforming? couldn't we have been underperforming? couldn't you have been underperforming? couldn't they have been underperforming?