English verb conjugation
MAY CONCAVE

Regular verb: concave - concaved - concaved

Affirmation

Simple form	V-ing form
I may concave you may concave he may concave we may concave you may concave they may concave	I may be concaving you may be concaving he may be concaving we may be concaving you may be concaving they may be concaving
Perfect	V-ing perfect
I may have concaved you may have concaved he may have concaved we may have concaved you may have concaved they may have concaved	I may have been concaving you may have been concaving he may have been concaving we may have been concaving you may have been concaving they may have been concaving

Negation

Simple form	V-ing form
I mayn't concave you mayn't concave he mayn't concave we mayn't concave you mayn't concave they mayn't concave	I mayn't be concaving you mayn't be concaving he mayn't be concaving we mayn't be concaving you mayn't be concaving they mayn't be concaving
Perfect	V-ing perfect
I mayn't have concaved you mayn't have concaved he mayn't have concaved we mayn't have concaved you mayn't have concaved they mayn't have concaved	I mayn't have been concaving you mayn't have been concaving he mayn't have been concaving we mayn't have been concaving you mayn't have been concaving they mayn't have been concaving

Interrogative form

Simple form	V-ing form
may I concave? may you concave? may he concave? may we concave? may you concave? may they concave?	may I be concaving? may you be concaving? may he be concaving? may we be concaving? may you be concaving? may they be concaving?
Perfect	V-ing perfect
may I have concaved? may you have concaved? may he have concaved? may we have concaved? may you have concaved? may they have concaved?	may I have been concaving? may you have been concaving? may he have been concaving? may we have been concaving? may you have been concaving? may they have been concaving?

Interro-negative form

Simple form	V-ing form
mayn't I concave? mayn't you concave? mayn't he concave? mayn't we concave? mayn't you concave? mayn't they concave?	mayn't I be concaving? mayn't you be concaving? mayn't he be concaving? mayn't we be concaving? mayn't you be concaving? mayn't they be concaving?
Perfect	V-ing perfect
mayn't I have concaved? mayn't you have concaved? mayn't he have concaved? mayn't we have concaved? mayn't you have concaved? mayn't they have concaved?	mayn't I have been concaving? mayn't you have been concaving? mayn't he have been concaving? mayn't we have been concaving? mayn't you have been concaving? mayn't they have been concaving?