I'd be underachieving you'd be underachieving he'd be underachieving we'd be underachieving you'd be underachieving they'd be underachieving
Perfect
I should've underachieved you should've underachieved he should've underachieved we should've underachieved you should've underachieved they should've underachieved
Perfect en V-ing
I should've been underachieving you should've been underachieving he should've been underachieving we should've been underachieving you should've been underachieving they should've been underachieving
Négation
Forme simple
I shouldn't underachieve you shouldn't underachieve he shouldn't underachieve we shouldn't underachieve you shouldn't underachieve they shouldn't underachieve
Forme en V-ing
I shouldn't be underachieving you shouldn't be underachieving he shouldn't be underachieving we shouldn't be underachieving you shouldn't be underachieving they shouldn't be underachieving
Perfect
I shouldn't have underachieved you shouldn't have underachieved he shouldn't have underachieved we shouldn't have underachieved you shouldn't have underachieved they shouldn't have underachieved
Perfect en V-ing
I shouldn't have been underachieving you shouldn't have been underachieving he shouldn't have been underachieving we shouldn't have been underachieving you shouldn't have been underachieving they shouldn't have been underachieving
Forme interrogative
Forme simple
should I underachieve? should you underachieve? should he underachieve? should we underachieve? should you underachieve? should they underachieve?
Forme en V-ing
should I be underachieving? should you be underachieving? should he be underachieving? should we be underachieving? should you be underachieving? should they be underachieving?
Perfect
should I have underachieved? should you have underachieved? should he have underachieved? should we have underachieved? should you have underachieved? should they have underachieved?
Perfect en V-ing
should I have been underachieving? should you have been underachieving? should he have been underachieving? should we have been underachieving? should you have been underachieving? should they have been underachieving?
Forme interro-négative
Forme simple
shouldn't I underachieve? shouldn't you underachieve? shouldn't he underachieve? shouldn't we underachieve? shouldn't you underachieve? shouldn't they underachieve?
Forme en V-ing
shouldn't I be underachieving? shouldn't you be underachieving? shouldn't he be underachieving? shouldn't we be underachieving? shouldn't you be underachieving? shouldn't they be underachieving?
Perfect
shouldn't I have underachieved? shouldn't you have underachieved? shouldn't he have underachieved? shouldn't we have underachieved? shouldn't you have underachieved? shouldn't they have underachieved?
Perfect en V-ing
shouldn't I have been underachieving? shouldn't you have been underachieving? shouldn't he have been underachieving? shouldn't we have been underachieving? shouldn't you have been underachieving? shouldn't they have been underachieving?