I may obsess you may obsess he may obsess we may obsess you may obsess they may obsess
V-ing form
I may be obsessing you may be obsessing he may be obsessing we may be obsessing you may be obsessing they may be obsessing
Perfect
I may have obsessed you may have obsessed he may have obsessed we may have obsessed you may have obsessed they may have obsessed
V-ing perfect
I may have been obsessing you may have been obsessing he may have been obsessing we may have been obsessing you may have been obsessing they may have been obsessing
Negation
Simple form
I may not obsess you may not obsess he may not obsess we may not obsess you may not obsess they may not obsess
V-ing form
I may not be obsessing you may not be obsessing he may not be obsessing we may not be obsessing you may not be obsessing they may not be obsessing
Perfect
I may not have obsessed you may not have obsessed he may not have obsessed we may not have obsessed you may not have obsessed they may not have obsessed
V-ing perfect
I may not have been obsessing you may not have been obsessing he may not have been obsessing we may not have been obsessing you may not have been obsessing they may not have been obsessing
Interrogative form
Simple form
may I obsess? may you obsess? may he obsess? may we obsess? may you obsess? may they obsess?
V-ing form
may I be obsessing? may you be obsessing? may he be obsessing? may we be obsessing? may you be obsessing? may they be obsessing?
Perfect
may I have obsessed? may you have obsessed? may he have obsessed? may we have obsessed? may you have obsessed? may they have obsessed?
V-ing perfect
may I have been obsessing? may you have been obsessing? may he have been obsessing? may we have been obsessing? may you have been obsessing? may they have been obsessing?
Interro-negative form
Simple form
may I not obsess? may you not obsess? may he not obsess? may we not obsess? may you not obsess? may they not obsess?
V-ing form
may I not be obsessing? may you not be obsessing? may he not be obsessing? may we not be obsessing? may you not be obsessing? may they not be obsessing?
Perfect
may I not have obsessed? may you not have obsessed? may he not have obsessed? may we not have obsessed? may you not have obsessed? may they not have obsessed?
V-ing perfect
may I not have been obsessing? may you not have been obsessing? may he not have been obsessing? may we not have been obsessing? may you not have been obsessing? may they not have been obsessing?