I could underachieve you could underachieve he could underachieve we could underachieve you could underachieve they could underachieve
Form mit V-ing
I could be underachieving you could be underachieving he could be underachieving we could be underachieving you could be underachieving they could be underachieving
Perfekt
I could have underachieved you could have underachieved he could have underachieved we could have underachieved you could have underachieved they could have underachieved
Perfekt mit V-ing
I could have been underachieving you could have been underachieving he could have been underachieving we could have been underachieving you could have been underachieving they could have been underachieving
Negation
Einfache Form
I couldn't underachieve you couldn't underachieve he couldn't underachieve we couldn't underachieve you couldn't underachieve they couldn't underachieve
Form mit V-ing
I couldn't be underachieving you couldn't be underachieving he couldn't be underachieving we couldn't be underachieving you couldn't be underachieving they couldn't be underachieving
Perfekt
I couldn't have underachieved you couldn't have underachieved he couldn't have underachieved we couldn't have underachieved you couldn't have underachieved they couldn't have underachieved
Perfekt mit V-ing
I couldn't have been underachieving you couldn't have been underachieving he couldn't have been underachieving we couldn't have been underachieving you couldn't have been underachieving they couldn't have been underachieving
Fragende Form
Einfache Form
could I underachieve? could you underachieve? could he underachieve? could we underachieve? could you underachieve? could they underachieve?
Form mit V-ing
could I be underachieving? could you be underachieving? could he be underachieving? could we be underachieving? could you be underachieving? could they be underachieving?
Perfekt
could I have underachieved? could you have underachieved? could he have underachieved? could we have underachieved? could you have underachieved? could they have underachieved?
Perfekt mit V-ing
could I have been underachieving? could you have been underachieving? could he have been underachieving? could we have been underachieving? could you have been underachieving? could they have been underachieving?
Fragende Negation Form
Einfache Form
couldn't I underachieve? couldn't you underachieve? couldn't he underachieve? couldn't we underachieve? couldn't you underachieve? couldn't they underachieve?
Form mit V-ing
couldn't I be underachieving? couldn't you be underachieving? couldn't he be underachieving? couldn't we be underachieving? couldn't you be underachieving? couldn't they be underachieving?
Perfekt
couldn't I have underachieved? couldn't you have underachieved? couldn't he have underachieved? couldn't we have underachieved? couldn't you have underachieved? couldn't they have underachieved?
Perfekt mit V-ing
couldn't I have been underachieving? couldn't you have been underachieving? couldn't he have been underachieving? couldn't we have been underachieving? couldn't you have been underachieving? couldn't they have been underachieving?