I may combat you may combat he may combat we may combat you may combat they may combat
V-ing form
I may be combating you may be combating he may be combating we may be combating you may be combating they may be combating
Perfect
I may have combated you may have combated he may have combated we may have combated you may have combated they may have combated
V-ing perfect
I may have been combating you may have been combating he may have been combating we may have been combating you may have been combating they may have been combating
Negation
Simple form
I may not combat you may not combat he may not combat we may not combat you may not combat they may not combat
V-ing form
I may not be combating you may not be combating he may not be combating we may not be combating you may not be combating they may not be combating
Perfect
I may not have combated you may not have combated he may not have combated we may not have combated you may not have combated they may not have combated
V-ing perfect
I may not have been combating you may not have been combating he may not have been combating we may not have been combating you may not have been combating they may not have been combating
Interrogative form
Simple form
may I combat? may you combat? may he combat? may we combat? may you combat? may they combat?
V-ing form
may I be combating? may you be combating? may he be combating? may we be combating? may you be combating? may they be combating?
Perfect
may I have combated? may you have combated? may he have combated? may we have combated? may you have combated? may they have combated?
V-ing perfect
may I have been combating? may you have been combating? may he have been combating? may we have been combating? may you have been combating? may they have been combating?
Interro-negative form
Simple form
may I not combat? may you not combat? may he not combat? may we not combat? may you not combat? may they not combat?
V-ing form
may I not be combating? may you not be combating? may he not be combating? may we not be combating? may you not be combating? may they not be combating?
Perfect
may I not have combated? may you not have combated? may he not have combated? may we not have combated? may you not have combated? may they not have combated?
V-ing perfect
may I not have been combating? may you not have been combating? may he not have been combating? may we not have been combating? may you not have been combating? may they not have been combating?