English verb conjugation
MAY CHANGE

Regular verb: change - changed - changed

Affirmation

Simple form	V-ing form
I may change you may change he may change we may change you may change they may change	I may be changing you may be changing he may be changing we may be changing you may be changing they may be changing
Perfect	V-ing perfect
I may have changed you may have changed he may have changed we may have changed you may have changed they may have changed	I may have been changing you may have been changing he may have been changing we may have been changing you may have been changing they may have been changing

Negation

Simple form	V-ing form
I mayn't change you mayn't change he mayn't change we mayn't change you mayn't change they mayn't change	I mayn't be changing you mayn't be changing he mayn't be changing we mayn't be changing you mayn't be changing they mayn't be changing
Perfect	V-ing perfect
I mayn't have changed you mayn't have changed he mayn't have changed we mayn't have changed you mayn't have changed they mayn't have changed	I mayn't have been changing you mayn't have been changing he mayn't have been changing we mayn't have been changing you mayn't have been changing they mayn't have been changing

Interrogative form

Simple form	V-ing form
may I change? may you change? may he change? may we change? may you change? may they change?	may I be changing? may you be changing? may he be changing? may we be changing? may you be changing? may they be changing?
Perfect	V-ing perfect
may I have changed? may you have changed? may he have changed? may we have changed? may you have changed? may they have changed?	may I have been changing? may you have been changing? may he have been changing? may we have been changing? may you have been changing? may they have been changing?

Interro-negative form

Simple form	V-ing form
mayn't I change? mayn't you change? mayn't he change? mayn't we change? mayn't you change? mayn't they change?	mayn't I be changing? mayn't you be changing? mayn't he be changing? mayn't we be changing? mayn't you be changing? mayn't they be changing?
Perfect	V-ing perfect
mayn't I have changed? mayn't you have changed? mayn't he have changed? mayn't we have changed? mayn't you have changed? mayn't they have changed?	mayn't I have been changing? mayn't you have been changing? mayn't he have been changing? mayn't we have been changing? mayn't you have been changing? mayn't they have been changing?