English verb conjugation
MAY INVOKE

Regular verb: invoke - invoked - invoked

Affirmation

Simple form	V-ing form
I may invoke you may invoke he may invoke we may invoke you may invoke they may invoke	I may be invoking you may be invoking he may be invoking we may be invoking you may be invoking they may be invoking
Perfect	V-ing perfect
I may have invoked you may have invoked he may have invoked we may have invoked you may have invoked they may have invoked	I may have been invoking you may have been invoking he may have been invoking we may have been invoking you may have been invoking they may have been invoking

Negation

Simple form	V-ing form
I mayn't invoke you mayn't invoke he mayn't invoke we mayn't invoke you mayn't invoke they mayn't invoke	I mayn't be invoking you mayn't be invoking he mayn't be invoking we mayn't be invoking you mayn't be invoking they mayn't be invoking
Perfect	V-ing perfect
I mayn't have invoked you mayn't have invoked he mayn't have invoked we mayn't have invoked you mayn't have invoked they mayn't have invoked	I mayn't have been invoking you mayn't have been invoking he mayn't have been invoking we mayn't have been invoking you mayn't have been invoking they mayn't have been invoking

Interrogative form

Simple form	V-ing form
may I invoke? may you invoke? may he invoke? may we invoke? may you invoke? may they invoke?	may I be invoking? may you be invoking? may he be invoking? may we be invoking? may you be invoking? may they be invoking?
Perfect	V-ing perfect
may I have invoked? may you have invoked? may he have invoked? may we have invoked? may you have invoked? may they have invoked?	may I have been invoking? may you have been invoking? may he have been invoking? may we have been invoking? may you have been invoking? may they have been invoking?

Interro-negative form

Simple form	V-ing form
mayn't I invoke? mayn't you invoke? mayn't he invoke? mayn't we invoke? mayn't you invoke? mayn't they invoke?	mayn't I be invoking? mayn't you be invoking? mayn't he be invoking? mayn't we be invoking? mayn't you be invoking? mayn't they be invoking?
Perfect	V-ing perfect
mayn't I have invoked? mayn't you have invoked? mayn't he have invoked? mayn't we have invoked? mayn't you have invoked? mayn't they have invoked?	mayn't I have been invoking? mayn't you have been invoking? mayn't he have been invoking? mayn't we have been invoking? mayn't you have been invoking? mayn't they have been invoking?