English verb conjugation
MAY THRESH

Regular verb: thresh - threshed - threshed

Affirmation

Simple form	V-ing form
I may thresh you may thresh he may thresh we may thresh you may thresh they may thresh	I may be threshing you may be threshing he may be threshing we may be threshing you may be threshing they may be threshing
Perfect	V-ing perfect
I may have threshed you may have threshed he may have threshed we may have threshed you may have threshed they may have threshed	I may have been threshing you may have been threshing he may have been threshing we may have been threshing you may have been threshing they may have been threshing

Negation

Simple form	V-ing form
I mayn't thresh you mayn't thresh he mayn't thresh we mayn't thresh you mayn't thresh they mayn't thresh	I mayn't be threshing you mayn't be threshing he mayn't be threshing we mayn't be threshing you mayn't be threshing they mayn't be threshing
Perfect	V-ing perfect
I mayn't have threshed you mayn't have threshed he mayn't have threshed we mayn't have threshed you mayn't have threshed they mayn't have threshed	I mayn't have been threshing you mayn't have been threshing he mayn't have been threshing we mayn't have been threshing you mayn't have been threshing they mayn't have been threshing

Interrogative form

Simple form	V-ing form
may I thresh? may you thresh? may he thresh? may we thresh? may you thresh? may they thresh?	may I be threshing? may you be threshing? may he be threshing? may we be threshing? may you be threshing? may they be threshing?
Perfect	V-ing perfect
may I have threshed? may you have threshed? may he have threshed? may we have threshed? may you have threshed? may they have threshed?	may I have been threshing? may you have been threshing? may he have been threshing? may we have been threshing? may you have been threshing? may they have been threshing?

Interro-negative form

Simple form	V-ing form
mayn't I thresh? mayn't you thresh? mayn't he thresh? mayn't we thresh? mayn't you thresh? mayn't they thresh?	mayn't I be threshing? mayn't you be threshing? mayn't he be threshing? mayn't we be threshing? mayn't you be threshing? mayn't they be threshing?
Perfect	V-ing perfect
mayn't I have threshed? mayn't you have threshed? mayn't he have threshed? mayn't we have threshed? mayn't you have threshed? mayn't they have threshed?	mayn't I have been threshing? mayn't you have been threshing? mayn't he have been threshing? mayn't we have been threshing? mayn't you have been threshing? mayn't they have been threshing?