English verb conjugation
MAY MUTTER

Regular verb: mutter - muttered - muttered

Affirmation

Simple form	V-ing form
I may mutter you may mutter he may mutter we may mutter you may mutter they may mutter	I may be muttering you may be muttering he may be muttering we may be muttering you may be muttering they may be muttering
Perfect	V-ing perfect
I may have muttered you may have muttered he may have muttered we may have muttered you may have muttered they may have muttered	I may have been muttering you may have been muttering he may have been muttering we may have been muttering you may have been muttering they may have been muttering

Negation

Simple form	V-ing form
I mayn't mutter you mayn't mutter he mayn't mutter we mayn't mutter you mayn't mutter they mayn't mutter	I mayn't be muttering you mayn't be muttering he mayn't be muttering we mayn't be muttering you mayn't be muttering they mayn't be muttering
Perfect	V-ing perfect
I mayn't have muttered you mayn't have muttered he mayn't have muttered we mayn't have muttered you mayn't have muttered they mayn't have muttered	I mayn't have been muttering you mayn't have been muttering he mayn't have been muttering we mayn't have been muttering you mayn't have been muttering they mayn't have been muttering

Interrogative form

Simple form	V-ing form
may I mutter? may you mutter? may he mutter? may we mutter? may you mutter? may they mutter?	may I be muttering? may you be muttering? may he be muttering? may we be muttering? may you be muttering? may they be muttering?
Perfect	V-ing perfect
may I have muttered? may you have muttered? may he have muttered? may we have muttered? may you have muttered? may they have muttered?	may I have been muttering? may you have been muttering? may he have been muttering? may we have been muttering? may you have been muttering? may they have been muttering?

Interro-negative form

Simple form	V-ing form
mayn't I mutter? mayn't you mutter? mayn't he mutter? mayn't we mutter? mayn't you mutter? mayn't they mutter?	mayn't I be muttering? mayn't you be muttering? mayn't he be muttering? mayn't we be muttering? mayn't you be muttering? mayn't they be muttering?
Perfect	V-ing perfect
mayn't I have muttered? mayn't you have muttered? mayn't he have muttered? mayn't we have muttered? mayn't you have muttered? mayn't they have muttered?	mayn't I have been muttering? mayn't you have been muttering? mayn't he have been muttering? mayn't we have been muttering? mayn't you have been muttering? mayn't they have been muttering?