English verb conjugation
MAY FUMBLE

Regular verb: fumble - fumbled - fumbled

Affirmation

Simple form	V-ing form
I may fumble you may fumble he may fumble we may fumble you may fumble they may fumble	I may be fumbling you may be fumbling he may be fumbling we may be fumbling you may be fumbling they may be fumbling
Perfect	V-ing perfect
I may have fumbled you may have fumbled he may have fumbled we may have fumbled you may have fumbled they may have fumbled	I may have been fumbling you may have been fumbling he may have been fumbling we may have been fumbling you may have been fumbling they may have been fumbling

Negation

Simple form	V-ing form
I may not fumble you may not fumble he may not fumble we may not fumble you may not fumble they may not fumble	I may not be fumbling you may not be fumbling he may not be fumbling we may not be fumbling you may not be fumbling they may not be fumbling
Perfect	V-ing perfect
I may not have fumbled you may not have fumbled he may not have fumbled we may not have fumbled you may not have fumbled they may not have fumbled	I may not have been fumbling you may not have been fumbling he 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	V-ing form
may I fumble? may you fumble? may he fumble? may we fumble? may you fumble? may they fumble?	may I be fumbling? may you be fumbling? may he be fumbling? may we be fumbling? may you be fumbling? may they be fumbling?
Perfect	V-ing perfect
may I have fumbled? may you have fumbled? may he have fumbled? may we have fumbled? may you have fumbled? may they have fumbled?	may I have been fumbling? may you have been fumbling? may he have been fumbling? may we have been fumbling? may you have been fumbling? may they have been fumbling?

Interro-negative form

Simple form	V-ing form
may I not fumble? may you not fumble? may he not fumble? may we not fumble? may you not fumble? may they not fumble?	may I not be fumbling? may you not be fumbling? may he not be fumbling? may we not be fumbling? may you not be fumbling? may they not be fumbling?
Perfect	V-ing perfect
may I not have fumbled? may you not have fumbled? may he not have fumbled? may we not have fumbled? may you not have fumbled? may they not have fumbled?	may I not have been fumbling? may you not have been fumbling? may he not have been fumbling? may we not have been fumbling? may you not have been fumbling? may they not have been fumbling?