English verb conjugation
MAY STONE

Regular verb: stone - stoned - stoned

Affirmation

Simple form	V-ing form
I may stone you may stone he may stone we may stone you may stone they may stone	I may be stoning you may be stoning he may be stoning we may be stoning you may be stoning they may be stoning
Perfect	V-ing perfect
I may have stoned you may have stoned he may have stoned we may have stoned you may have stoned they may have stoned	I may have been stoning you may have been stoning he may have been stoning we may have been stoning you may have been stoning they may have been stoning

Negation

Simple form	V-ing form
I mayn't stone you mayn't stone he mayn't stone we mayn't stone you mayn't stone they mayn't stone	I mayn't be stoning you mayn't be stoning he mayn't be stoning we mayn't be stoning you mayn't be stoning they mayn't be stoning
Perfect	V-ing perfect
I mayn't have stoned you mayn't have stoned he mayn't have stoned we mayn't have stoned you mayn't have stoned they mayn't have stoned	I mayn't have been stoning you mayn't have been stoning he mayn't have been stoning we mayn't have been stoning you mayn't have been stoning they mayn't have been stoning

Interrogative form

Simple form	V-ing form
may I stone? may you stone? may he stone? may we stone? may you stone? may they stone?	may I be stoning? may you be stoning? may he be stoning? may we be stoning? may you be stoning? may they be stoning?
Perfect	V-ing perfect
may I have stoned? may you have stoned? may he have stoned? may we have stoned? may you have stoned? may they have stoned?	may I have been stoning? may you have been stoning? may he have been stoning? may we have been stoning? may you have been stoning? may they have been stoning?

Interro-negative form

Simple form	V-ing form
mayn't I stone? mayn't you stone? mayn't he stone? mayn't we stone? mayn't you stone? mayn't they stone?	mayn't I be stoning? mayn't you be stoning? mayn't he be stoning? mayn't we be stoning? mayn't you be stoning? mayn't they be stoning?
Perfect	V-ing perfect
mayn't I have stoned? mayn't you have stoned? mayn't he have stoned? mayn't we have stoned? mayn't you have stoned? mayn't they have stoned?	mayn't I have been stoning? mayn't you have been stoning? mayn't he have been stoning? mayn't we have been stoning? mayn't you have been stoning? mayn't they have been stoning?