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