I may decide you may decide he may decide we may decide you may decide they may decide
V-ing form
I may be deciding you may be deciding he may be deciding we may be deciding you may be deciding they may be deciding
Perfect
I may have decided you may have decided he may have decided we may have decided you may have decided they may have decided
V-ing perfect
I may have been deciding you may have been deciding he may have been deciding we may have been deciding you may have been deciding they may have been deciding
Negation
Simple form
I may not decide you may not decide he may not decide we may not decide you may not decide they may not decide
V-ing form
I may not be deciding you may not be deciding he may not be deciding we may not be deciding you may not be deciding they may not be deciding
Perfect
I may not have decided you may not have decided he may not have decided we may not have decided you may not have decided they may not have decided
V-ing perfect
I may not have been deciding you may not have been deciding he may not have been deciding we may not have been deciding you may not have been deciding they may not have been deciding
Interrogative form
Simple form
may I decide? may you decide? may he decide? may we decide? may you decide? may they decide?
V-ing form
may I be deciding? may you be deciding? may he be deciding? may we be deciding? may you be deciding? may they be deciding?
Perfect
may I have decided? may you have decided? may he have decided? may we have decided? may you have decided? may they have decided?
V-ing perfect
may I have been deciding? may you have been deciding? may he have been deciding? may we have been deciding? may you have been deciding? may they have been deciding?
Interro-negative form
Simple form
may I not decide? may you not decide? may he not decide? may we not decide? may you not decide? may they not decide?
V-ing form
may I not be deciding? may you not be deciding? may he not be deciding? may we not be deciding? may you not be deciding? may they not be deciding?
Perfect
may I not have decided? may you not have decided? may he not have decided? may we not have decided? may you not have decided? may they not have decided?
V-ing perfect
may I not have been deciding? may you not have been deciding? may he not have been deciding? may we not have been deciding? may you not have been deciding? may they not have been deciding?