English verb conjugation
MAY SPUTTER

Regular verb: sputter - sputtered - sputtered

Affirmation

Simple form	V-ing form
I may sputter you may sputter he may sputter we may sputter you may sputter they may sputter	I may be sputtering you may be sputtering he may be sputtering we may be sputtering you may be sputtering they may be sputtering
Perfect	V-ing perfect
I may have sputtered you may have sputtered he may have sputtered we may have sputtered you may have sputtered they may have sputtered	I may have been sputtering you may have been sputtering he may have been sputtering we may have been sputtering you may have been sputtering they may have been sputtering

Negation

Simple form	V-ing form
I mayn't sputter you mayn't sputter he mayn't sputter we mayn't sputter you mayn't sputter they mayn't sputter	I mayn't be sputtering you mayn't be sputtering he mayn't be sputtering we mayn't be sputtering you mayn't be sputtering they mayn't be sputtering
Perfect	V-ing perfect
I mayn't have sputtered you mayn't have sputtered he mayn't have sputtered we mayn't have sputtered you mayn't have sputtered they mayn't have sputtered	I mayn't have been sputtering you mayn't have been sputtering he mayn't have been sputtering we mayn't have been sputtering you mayn't have been sputtering they mayn't have been sputtering

Interrogative form

Simple form	V-ing form
may I sputter? may you sputter? may he sputter? may we sputter? may you sputter? may they sputter?	may I be sputtering? may you be sputtering? may he be sputtering? may we be sputtering? may you be sputtering? may they be sputtering?
Perfect	V-ing perfect
may I have sputtered? may you have sputtered? may he have sputtered? may we have sputtered? may you have sputtered? may they have sputtered?	may I have been sputtering? may you have been sputtering? may he have been sputtering? may we have been sputtering? may you have been sputtering? may they have been sputtering?

Interro-negative form

Simple form	V-ing form
mayn't I sputter? mayn't you sputter? mayn't he sputter? mayn't we sputter? mayn't you sputter? mayn't they sputter?	mayn't I be sputtering? mayn't you be sputtering? mayn't he be sputtering? mayn't we be sputtering? mayn't you be sputtering? mayn't they be sputtering?
Perfect	V-ing perfect
mayn't I have sputtered? mayn't you have sputtered? mayn't he have sputtered? mayn't we have sputtered? mayn't you have sputtered? mayn't they have sputtered?	mayn't I have been sputtering? mayn't you have been sputtering? mayn't he have been sputtering? mayn't we have been sputtering? mayn't you have been sputtering? mayn't they have been sputtering?