I may plan you may plan she may plan we may plan you may plan they may plan
V-ing form
I may be planning you may be planning she may be planning we may be planning you may be planning they may be planning
Perfect
I may have planned you may have planned she may have planned we may have planned you may have planned they may have planned
V-ing perfect
I may have been planning you may have been planning she may have been planning we may have been planning you may have been planning they may have been planning
Negation
Simple form
I may not plan you may not plan she may not plan we may not plan you may not plan they may not plan
V-ing form
I may not be planning you may not be planning she may not be planning we may not be planning you may not be planning they may not be planning
Perfect
I may not have planned you may not have planned she may not have planned we may not have planned you may not have planned they may not have planned
V-ing perfect
I may not have been planning you may not have been planning she may not have been planning we may not have been planning you may not have been planning they may not have been planning
Interrogative form
Simple form
may I plan? may you plan? may she plan? may we plan? may you plan? may they plan?
V-ing form
may I be planning? may you be planning? may she be planning? may we be planning? may you be planning? may they be planning?
Perfect
may I have planned? may you have planned? may she have planned? may we have planned? may you have planned? may they have planned?
V-ing perfect
may I have been planning? may you have been planning? may she have been planning? may we have been planning? may you have been planning? may they have been planning?
Interro-negative form
Simple form
may I not plan? may you not plan? may she not plan? may we not plan? may you not plan? may they not plan?
V-ing form
may I not be planning? may you not be planning? may she not be planning? may we not be planning? may you not be planning? may they not be planning?
Perfect
may I not have planned? may you not have planned? may she not have planned? may we not have planned? may you not have planned? may they not have planned?
V-ing perfect
may I not have been planning? may you not have been planning? may she not have been planning? may we not have been planning? may you not have been planning? may they not have been planning?