I may fumble you may fumble she may fumble we may fumble you may fumble they may fumble
V-ing form
I may be fumbling you may be fumbling she may be fumbling we may be fumbling you may be fumbling they may be fumbling
Perfect
I may have fumbled you may have fumbled she may have fumbled we may have fumbled you may have fumbled they may have fumbled
V-ing perfect
I may have been fumbling you may have been fumbling she may have been fumbling we may have been fumbling you may have been fumbling they may have been fumbling
Negation
Simple form
I may not fumble you may not fumble she may not fumble we may not fumble you may not fumble they may not fumble
V-ing form
I may not be fumbling you may not be fumbling she may not be fumbling we may not be fumbling you may not be fumbling they may not be fumbling
Perfect
I may not have fumbled you may not have fumbled she may not have fumbled we may not have fumbled you may not have fumbled they may not have fumbled
V-ing perfect
I may not have been fumbling you may not have been fumbling she may not have been fumbling we may not have been fumbling you may not have been fumbling they may not have been fumbling
Interrogative form
Simple form
may I fumble? may you fumble? may she fumble? may we fumble? may you fumble? may they fumble?
V-ing form
may I be fumbling? may you be fumbling? may she be fumbling? may we be fumbling? may you be fumbling? may they be fumbling?
Perfect
may I have fumbled? may you have fumbled? may she have fumbled? may we have fumbled? may you have fumbled? may they have fumbled?
V-ing perfect
may I have been fumbling? may you have been fumbling? may she have been fumbling? may we have been fumbling? may you have been fumbling? may they have been fumbling?
Interro-negative form
Simple form
may I not fumble? may you not fumble? may she not fumble? may we not fumble? may you not fumble? may they not fumble?
V-ing form
may I not be fumbling? may you not be fumbling? may she not be fumbling? may we not be fumbling? may you not be fumbling? may they not be fumbling?
Perfect
may I not have fumbled? may you not have fumbled? may she not have fumbled? may we not have fumbled? may you not have fumbled? may they not have fumbled?
V-ing perfect
may I not have been fumbling? may you not have been fumbling? may she not have been fumbling? may we not have been fumbling? may you not have been fumbling? may they not have been fumbling?