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 mayn't marvel you mayn't marvel he mayn't marvel we mayn't marvel you mayn't marvel they mayn't marvel
V-ing form
I mayn't be marvelling you mayn't be marvelling he mayn't be marvelling we mayn't be marvelling you mayn't be marvelling they mayn't be marvelling
Perfect
I mayn't have marvelled you mayn't have marvelled he mayn't have marvelled we mayn't have marvelled you mayn't have marvelled they mayn't have marvelled
V-ing perfect
I mayn't have been marvelling you mayn't have been marvelling he mayn't have been marvelling we mayn't have been marvelling you mayn't have been marvelling they mayn't 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
mayn't I marvel? mayn't you marvel? mayn't he marvel? mayn't we marvel? mayn't you marvel? mayn't they marvel?
V-ing form
mayn't I be marvelling? mayn't you be marvelling? mayn't he be marvelling? mayn't we be marvelling? mayn't you be marvelling? mayn't they be marvelling?
Perfect
mayn't I have marvelled? mayn't you have marvelled? mayn't he have marvelled? mayn't we have marvelled? mayn't you have marvelled? mayn't they have marvelled?
V-ing perfect
mayn't I have been marvelling? mayn't you have been marvelling? mayn't he have been marvelling? mayn't we have been marvelling? mayn't you have been marvelling? mayn't they have been marvelling?