English verb conjugation
MAY BASE

Regular verb: base - based - based

Affirmation

Simple form	V-ing form
I may base you may base he may base we may base you may base they may base	I may be basing you may be basing he may be basing we may be basing you may be basing they may be basing
Perfect	V-ing perfect
I may have based you may have based he may have based we may have based you may have based they may have based	I may have been basing you may have been basing he may have been basing we may have been basing you may have been basing they may have been basing

Negation

Simple form	V-ing form
I mayn't base you mayn't base he mayn't base we mayn't base you mayn't base they mayn't base	I mayn't be basing you mayn't be basing he mayn't be basing we mayn't be basing you mayn't be basing they mayn't be basing
Perfect	V-ing perfect
I mayn't have based you mayn't have based he mayn't have based we mayn't have based you mayn't have based they mayn't have based	I mayn't have been basing you mayn't have been basing he mayn't have been basing we mayn't have been basing you mayn't have been basing they mayn't have been basing

Interrogative form

Simple form	V-ing form
may I base? may you base? may he base? may we base? may you base? may they base?	may I be basing? may you be basing? may he be basing? may we be basing? may you be basing? may they be basing?
Perfect	V-ing perfect
may I have based? may you have based? may he have based? may we have based? may you have based? may they have based?	may I have been basing? may you have been basing? may he have been basing? may we have been basing? may you have been basing? may they have been basing?

Interro-negative form

Simple form	V-ing form
mayn't I base? mayn't you base? mayn't he base? mayn't we base? mayn't you base? mayn't they base?	mayn't I be basing? mayn't you be basing? mayn't he be basing? mayn't we be basing? mayn't you be basing? mayn't they be basing?
Perfect	V-ing perfect
mayn't I have based? mayn't you have based? mayn't he have based? mayn't we have based? mayn't you have based? mayn't they have based?	mayn't I have been basing? mayn't you have been basing? mayn't he have been basing? mayn't we have been basing? mayn't you have been basing? mayn't they have been basing?