I may precede you may precede he may precede we may precede you may precede they may precede
V-ing form
I may be preceding you may be preceding he may be preceding we may be preceding you may be preceding they may be preceding
Perfect
I may have preceded you may have preceded he may have preceded we may have preceded you may have preceded they may have preceded
V-ing perfect
I may have been preceding you may have been preceding he may have been preceding we may have been preceding you may have been preceding they may have been preceding
Negation
Simple form
I may not precede you may not precede he may not precede we may not precede you may not precede they may not precede
V-ing form
I may not be preceding you may not be preceding he may not be preceding we may not be preceding you may not be preceding they may not be preceding
Perfect
I may not have preceded you may not have preceded he may not have preceded we may not have preceded you may not have preceded they may not have preceded
V-ing perfect
I may not have been preceding you may not have been preceding he may not have been preceding we may not have been preceding you may not have been preceding they may not have been preceding
Interrogative form
Simple form
may I precede? may you precede? may he precede? may we precede? may you precede? may they precede?
V-ing form
may I be preceding? may you be preceding? may he be preceding? may we be preceding? may you be preceding? may they be preceding?
Perfect
may I have preceded? may you have preceded? may he have preceded? may we have preceded? may you have preceded? may they have preceded?
V-ing perfect
may I have been preceding? may you have been preceding? may he have been preceding? may we have been preceding? may you have been preceding? may they have been preceding?
Interro-negative form
Simple form
may I not precede? may you not precede? may he not precede? may we not precede? may you not precede? may they not precede?
V-ing form
may I not be preceding? may you not be preceding? may he not be preceding? may we not be preceding? may you not be preceding? may they not be preceding?
Perfect
may I not have preceded? may you not have preceded? may he not have preceded? may we not have preceded? may you not have preceded? may they not have preceded?
V-ing perfect
may I not have been preceding? may you not have been preceding? may he not have been preceding? may we not have been preceding? may you not have been preceding? may they not have been preceding?