English verb conjugation
MAY MAST

Regular verb: mast - masted - masted

Affirmation

Simple form	V-ing form
I may mast you may mast he may mast we may mast you may mast they may mast	I may be masting you may be masting he may be masting we may be masting you may be masting they may be masting
Perfect	V-ing perfect
I may have masted you may have masted he may have masted we may have masted you may have masted they may have masted	I may have been masting you may have been masting he may have been masting we may have been masting you may have been masting they may have been masting

Negation

Simple form	V-ing form
I mayn't mast you mayn't mast he mayn't mast we mayn't mast you mayn't mast they mayn't mast	I mayn't be masting you mayn't be masting he mayn't be masting we mayn't be masting you mayn't be masting they mayn't be masting
Perfect	V-ing perfect
I mayn't have masted you mayn't have masted he mayn't have masted we mayn't have masted you mayn't have masted they mayn't have masted	I mayn't have been masting you mayn't have been masting he mayn't have been masting we mayn't have been masting you mayn't have been masting they mayn't have been masting

Interrogative form

Simple form	V-ing form
may I mast? may you mast? may he mast? may we mast? may you mast? may they mast?	may I be masting? may you be masting? may he be masting? may we be masting? may you be masting? may they be masting?
Perfect	V-ing perfect
may I have masted? may you have masted? may he have masted? may we have masted? may you have masted? may they have masted?	may I have been masting? may you have been masting? may he have been masting? may we have been masting? may you have been masting? may they have been masting?

Interro-negative form

Simple form	V-ing form
mayn't I mast? mayn't you mast? mayn't he mast? mayn't we mast? mayn't you mast? mayn't they mast?	mayn't I be masting? mayn't you be masting? mayn't he be masting? mayn't we be masting? mayn't you be masting? mayn't they be masting?
Perfect	V-ing perfect
mayn't I have masted? mayn't you have masted? mayn't he have masted? mayn't we have masted? mayn't you have masted? mayn't they have masted?	mayn't I have been masting? mayn't you have been masting? mayn't he have been masting? mayn't we have been masting? mayn't you have been masting? mayn't they have been masting?