English verb conjugation
MAY RESEARCH

Regular verb: research - researched - researched

Affirmation

Simple form	V-ing form
I may research you may research he may research we may research you may research they may research	I may be researching you may be researching he may be researching we may be researching you may be researching they may be researching
Perfect	V-ing perfect
I may have researched you may have researched he may have researched we may have researched you may have researched they may have researched	I may have been researching you may have been researching he may have been researching we may have been researching you may have been researching they may have been researching

Negation

Simple form	V-ing form
I mayn't research you mayn't research he mayn't research we mayn't research you mayn't research they mayn't research	I mayn't be researching you mayn't be researching he mayn't be researching we mayn't be researching you mayn't be researching they mayn't be researching
Perfect	V-ing perfect
I mayn't have researched you mayn't have researched he mayn't have researched we mayn't have researched you mayn't have researched they mayn't have researched	I mayn't have been researching you mayn't have been researching he mayn't have been researching we mayn't have been researching you mayn't have been researching they mayn't have been researching

Interrogative form

Simple form	V-ing form
may I research? may you research? may he research? may we research? may you research? may they research?	may I be researching? may you be researching? may he be researching? may we be researching? may you be researching? may they be researching?
Perfect	V-ing perfect
may I have researched? may you have researched? may he have researched? may we have researched? may you have researched? may they have researched?	may I have been researching? may you have been researching? may he have been researching? may we have been researching? may you have been researching? may they have been researching?

Interro-negative form

Simple form	V-ing form
mayn't I research? mayn't you research? mayn't he research? mayn't we research? mayn't you research? mayn't they research?	mayn't I be researching? mayn't you be researching? mayn't he be researching? mayn't we be researching? mayn't you be researching? mayn't they be researching?
Perfect	V-ing perfect
mayn't I have researched? mayn't you have researched? mayn't he have researched? mayn't we have researched? mayn't you have researched? mayn't they have researched?	mayn't I have been researching? mayn't you have been researching? mayn't he have been researching? mayn't we have been researching? mayn't you have been researching? mayn't they have been researching?