I may marvel you may marvel he may marvel we may marvel you may marvel they may marvel
V-ing form
I may be marvelling you may be marvelling he may be marvelling we may be marvelling you may be marvelling they may be marvelling
Perfect
I may have marvelled you may have marvelled he may have marvelled we may have marvelled you may have marvelled they may have marvelled
V-ing perfect
I may have been marvelling you may have been marvelling he may have been marvelling we may have been marvelling you may have been marvelling they may have been marvelling
Negation
Simple form
I may not marvel you may not marvel he may not marvel we may not marvel you may not marvel they may not marvel
V-ing form
I may not be marvelling you may not be marvelling he may not be marvelling we may not be marvelling you may not be marvelling they may not be marvelling
Perfect
I may not have marvelled you may not have marvelled he may not have marvelled we may not have marvelled you may not have marvelled they may not have marvelled
V-ing perfect
I may not have been marvelling you may not have been marvelling he may not have been marvelling we may not have been marvelling you may not have been marvelling they may not have been marvelling
Interrogative form
Simple form
may I marvel? may you marvel? may he marvel? may we marvel? may you marvel? may they marvel?
V-ing form
may I be marvelling? may you be marvelling? may he be marvelling? may we be marvelling? may you be marvelling? may they be marvelling?
Perfect
may I have marvelled? may you have marvelled? may he have marvelled? may we have marvelled? may you have marvelled? may they have marvelled?
V-ing perfect
may I have been marvelling? may you have been marvelling? may he have been marvelling? may we have been marvelling? may you have been marvelling? may they have been marvelling?
Interro-negative form
Simple form
may I not marvel? may you not marvel? may he not marvel? may we not marvel? may you not marvel? may they not marvel?
V-ing form
may I not be marvelling? may you not be marvelling? may he not be marvelling? may we not be marvelling? may you not be marvelling? may they not be marvelling?
Perfect
may I not have marvelled? may you not have marvelled? may he not have marvelled? may we not have marvelled? may you not have marvelled? may they not have marvelled?
V-ing perfect
may I not have been marvelling? may you not have been marvelling? may he not have been marvelling? may we not have been marvelling? may you not have been marvelling? may they not have been marvelling?