I can obsess you can obsess he can obsess we can obsess you can obsess they can obsess
Forme en V-ing
I can be obsessing you can be obsessing he can be obsessing we can be obsessing you can be obsessing they can be obsessing
Perfect
I can have obsessed you can have obsessed he can have obsessed we can have obsessed you can have obsessed they can have obsessed
Perfect en V-ing
I can have been obsessing you can have been obsessing he can have been obsessing we can have been obsessing you can have been obsessing they can have been obsessing
Négation
Forme simple
I can't obsess you can't obsess he can't obsess we can't obsess you can't obsess they can't obsess
Forme en V-ing
I can't be obsessing you can't be obsessing he can't be obsessing we can't be obsessing you can't be obsessing they can't be obsessing
Perfect
I can't have obsessed you can't have obsessed he can't have obsessed we can't have obsessed you can't have obsessed they can't have obsessed
Perfect en V-ing
I can't have been obsessing you can't have been obsessing he can't have been obsessing we can't have been obsessing you can't have been obsessing they can't have been obsessing
Forme interrogative
Forme simple
can I obsess? can you obsess? can he obsess? can we obsess? can you obsess? can they obsess?
Forme en V-ing
can I be obsessing? can you be obsessing? can he be obsessing? can we be obsessing? can you be obsessing? can they be obsessing?
Perfect
can I have obsessed? can you have obsessed? can he have obsessed? can we have obsessed? can you have obsessed? can they have obsessed?
Perfect en V-ing
can I have been obsessing? can you have been obsessing? can he have been obsessing? can we have been obsessing? can you have been obsessing? can they have been obsessing?
Forme interro-négative
Forme simple
can't I obsess? can't you obsess? can't he obsess? can't we obsess? can't you obsess? can't they obsess?
Forme en V-ing
can't I be obsessing? can't you be obsessing? can't he be obsessing? can't we be obsessing? can't you be obsessing? can't they be obsessing?
Perfect
can't I have obsessed? can't you have obsessed? can't he have obsessed? can't we have obsessed? can't you have obsessed? can't they have obsessed?
Perfect en V-ing
can't I have been obsessing? can't you have been obsessing? can't he have been obsessing? can't we have been obsessing? can't you have been obsessing? can't they have been obsessing?