I may timetable you may timetable he may timetable we may timetable you may timetable they may timetable
V-ing form
I may be timetabling you may be timetabling he may be timetabling we may be timetabling you may be timetabling they may be timetabling
Perfect
I may have timetabled you may have timetabled he may have timetabled we may have timetabled you may have timetabled they may have timetabled
V-ing perfect
I may have been timetabling you may have been timetabling he may have been timetabling we may have been timetabling you may have been timetabling they may have been timetabling
Negation
Simple form
I may not timetable you may not timetable he may not timetable we may not timetable you may not timetable they may not timetable
V-ing form
I may not be timetabling you may not be timetabling he may not be timetabling we may not be timetabling you may not be timetabling they may not be timetabling
Perfect
I may not have timetabled you may not have timetabled he may not have timetabled we may not have timetabled you may not have timetabled they may not have timetabled
V-ing perfect
I may not have been timetabling you may not have been timetabling he may not have been timetabling we may not have been timetabling you may not have been timetabling they may not have been timetabling
Interrogative form
Simple form
may I timetable? may you timetable? may he timetable? may we timetable? may you timetable? may they timetable?
V-ing form
may I be timetabling? may you be timetabling? may he be timetabling? may we be timetabling? may you be timetabling? may they be timetabling?
Perfect
may I have timetabled? may you have timetabled? may he have timetabled? may we have timetabled? may you have timetabled? may they have timetabled?
V-ing perfect
may I have been timetabling? may you have been timetabling? may he have been timetabling? may we have been timetabling? may you have been timetabling? may they have been timetabling?
Interro-negative form
Simple form
may I not timetable? may you not timetable? may he not timetable? may we not timetable? may you not timetable? may they not timetable?
V-ing form
may I not be timetabling? may you not be timetabling? may he not be timetabling? may we not be timetabling? may you not be timetabling? may they not be timetabling?
Perfect
may I not have timetabled? may you not have timetabled? may he not have timetabled? may we not have timetabled? may you not have timetabled? may they not have timetabled?
V-ing perfect
may I not have been timetabling? may you not have been timetabling? may he not have been timetabling? may we not have been timetabling? may you not have been timetabling? may they not have been timetabling?