English verb conjugation
MAY GRAVEL

Regular verb: gravel - gravelled - gravelled

Affirmation

Simple form	V-ing form
I may gravel you may gravel he may gravel we may gravel you may gravel they may gravel	I may be gravelling you may be gravelling he may be gravelling we may be gravelling you may be gravelling they may be gravelling
Perfect	V-ing perfect
I may have gravelled you may have gravelled he may have gravelled we may have gravelled you may have gravelled they may have gravelled	I may have been gravelling you may have been gravelling he may have been gravelling we may have been gravelling you may have been gravelling they may have been gravelling

Negation

Simple form	V-ing form
I mayn't gravel you mayn't gravel he mayn't gravel we mayn't gravel you mayn't gravel they mayn't gravel	I mayn't be gravelling you mayn't be gravelling he mayn't be gravelling we mayn't be gravelling you mayn't be gravelling they mayn't be gravelling
Perfect	V-ing perfect
I mayn't have gravelled you mayn't have gravelled he mayn't have gravelled we mayn't have gravelled you mayn't have gravelled they mayn't have gravelled	I mayn't have been gravelling you mayn't have been gravelling he mayn't have been gravelling we mayn't have been gravelling you mayn't have been gravelling they mayn't have been gravelling

Interrogative form

Simple form	V-ing form
may I gravel? may you gravel? may he gravel? may we gravel? may you gravel? may they gravel?	may I be gravelling? may you be gravelling? may he be gravelling? may we be gravelling? may you be gravelling? may they be gravelling?
Perfect	V-ing perfect
may I have gravelled? may you have gravelled? may he have gravelled? may we have gravelled? may you have gravelled? may they have gravelled?	may I have been gravelling? may you have been gravelling? may he have been gravelling? may we have been gravelling? may you have been gravelling? may they have been gravelling?

Interro-negative form

Simple form	V-ing form
mayn't I gravel? mayn't you gravel? mayn't he gravel? mayn't we gravel? mayn't you gravel? mayn't they gravel?	mayn't I be gravelling? mayn't you be gravelling? mayn't he be gravelling? mayn't we be gravelling? mayn't you be gravelling? mayn't they be gravelling?
Perfect	V-ing perfect
mayn't I have gravelled? mayn't you have gravelled? mayn't he have gravelled? mayn't we have gravelled? mayn't you have gravelled? mayn't they have gravelled?	mayn't I have been gravelling? mayn't you have been gravelling? mayn't he have been gravelling? mayn't we have been gravelling? mayn't you have been gravelling? mayn't they have been gravelling?