I may winnow you may winnow she may winnow we may winnow you may winnow they may winnow
V-ing form
I may be winnowing you may be winnowing she may be winnowing we may be winnowing you may be winnowing they may be winnowing
Perfect
I may have winnowed you may have winnowed she may have winnowed we may have winnowed you may have winnowed they may have winnowed
V-ing perfect
I may have been winnowing you may have been winnowing she may have been winnowing we may have been winnowing you may have been winnowing they may have been winnowing
Negation
Simple form
I may not winnow you may not winnow she may not winnow we may not winnow you may not winnow they may not winnow
V-ing form
I may not be winnowing you may not be winnowing she may not be winnowing we may not be winnowing you may not be winnowing they may not be winnowing
Perfect
I may not have winnowed you may not have winnowed she may not have winnowed we may not have winnowed you may not have winnowed they may not have winnowed
V-ing perfect
I may not have been winnowing you may not have been winnowing she may not have been winnowing we may not have been winnowing you may not have been winnowing they may not have been winnowing
Interrogative form
Simple form
may I winnow? may you winnow? may she winnow? may we winnow? may you winnow? may they winnow?
V-ing form
may I be winnowing? may you be winnowing? may she be winnowing? may we be winnowing? may you be winnowing? may they be winnowing?
Perfect
may I have winnowed? may you have winnowed? may she have winnowed? may we have winnowed? may you have winnowed? may they have winnowed?
V-ing perfect
may I have been winnowing? may you have been winnowing? may she have been winnowing? may we have been winnowing? may you have been winnowing? may they have been winnowing?
Interro-negative form
Simple form
may I not winnow? may you not winnow? may she not winnow? may we not winnow? may you not winnow? may they not winnow?
V-ing form
may I not be winnowing? may you not be winnowing? may she not be winnowing? may we not be winnowing? may you not be winnowing? may they not be winnowing?
Perfect
may I not have winnowed? may you not have winnowed? may she not have winnowed? may we not have winnowed? may you not have winnowed? may they not have winnowed?
V-ing perfect
may I not have been winnowing? may you not have been winnowing? may she not have been winnowing? may we not have been winnowing? may you not have been winnowing? may they not have been winnowing?