I'd be backfliping you'd be backfliping she'd be backfliping we'd be backfliping you'd be backfliping they'd be backfliping
Perfect
I should've backfliped you should've backfliped she should've backfliped we should've backfliped you should've backfliped they should've backfliped
Perfect en V-ing
I should've been backfliping you should've been backfliping she should've been backfliping we should've been backfliping you should've been backfliping they should've been backfliping
Négation
Forme simple
I shouldn't backflip you shouldn't backflip she shouldn't backflip we shouldn't backflip you shouldn't backflip they shouldn't backflip
Forme en V-ing
I shouldn't be backfliping you shouldn't be backfliping she shouldn't be backfliping we shouldn't be backfliping you shouldn't be backfliping they shouldn't be backfliping
Perfect
I shouldn't have backfliped you shouldn't have backfliped she shouldn't have backfliped we shouldn't have backfliped you shouldn't have backfliped they shouldn't have backfliped
Perfect en V-ing
I shouldn't have been backfliping you shouldn't have been backfliping she shouldn't have been backfliping we shouldn't have been backfliping you shouldn't have been backfliping they shouldn't have been backfliping
Forme interrogative
Forme simple
should I backflip? should you backflip? should she backflip? should we backflip? should you backflip? should they backflip?
Forme en V-ing
should I be backfliping? should you be backfliping? should she be backfliping? should we be backfliping? should you be backfliping? should they be backfliping?
Perfect
should I have backfliped? should you have backfliped? should she have backfliped? should we have backfliped? should you have backfliped? should they have backfliped?
Perfect en V-ing
should I have been backfliping? should you have been backfliping? should she have been backfliping? should we have been backfliping? should you have been backfliping? should they have been backfliping?
Forme interro-négative
Forme simple
shouldn't I backflip? shouldn't you backflip? shouldn't she backflip? shouldn't we backflip? shouldn't you backflip? shouldn't they backflip?
Forme en V-ing
shouldn't I be backfliping? shouldn't you be backfliping? shouldn't she be backfliping? shouldn't we be backfliping? shouldn't you be backfliping? shouldn't they be backfliping?
Perfect
shouldn't I have backfliped? shouldn't you have backfliped? shouldn't she have backfliped? shouldn't we have backfliped? shouldn't you have backfliped? shouldn't they have backfliped?
Perfect en V-ing
shouldn't I have been backfliping? shouldn't you have been backfliping? shouldn't she have been backfliping? shouldn't we have been backfliping? shouldn't you have been backfliping? shouldn't they have been backfliping?