I may spade you may spade she may spade we may spade you may spade they may spade
V-ing form
I may be spading you may be spading she may be spading we may be spading you may be spading they may be spading
Perfect
I may have spaded you may have spaded she may have spaded we may have spaded you may have spaded they may have spaded
V-ing perfect
I may have been spading you may have been spading she may have been spading we may have been spading you may have been spading they may have been spading
Negation
Simple form
I may not spade you may not spade she may not spade we may not spade you may not spade they may not spade
V-ing form
I may not be spading you may not be spading she may not be spading we may not be spading you may not be spading they may not be spading
Perfect
I may not have spaded you may not have spaded she may not have spaded we may not have spaded you may not have spaded they may not have spaded
V-ing perfect
I may not have been spading you may not have been spading she may not have been spading we may not have been spading you may not have been spading they may not have been spading
Interrogative form
Simple form
may I spade? may you spade? may she spade? may we spade? may you spade? may they spade?
V-ing form
may I be spading? may you be spading? may she be spading? may we be spading? may you be spading? may they be spading?
Perfect
may I have spaded? may you have spaded? may she have spaded? may we have spaded? may you have spaded? may they have spaded?
V-ing perfect
may I have been spading? may you have been spading? may she have been spading? may we have been spading? may you have been spading? may they have been spading?
Interro-negative form
Simple form
may I not spade? may you not spade? may she not spade? may we not spade? may you not spade? may they not spade?
V-ing form
may I not be spading? may you not be spading? may she not be spading? may we not be spading? may you not be spading? may they not be spading?
Perfect
may I not have spaded? may you not have spaded? may she not have spaded? may we not have spaded? may you not have spaded? may they not have spaded?
V-ing perfect
may I not have been spading? may you not have been spading? may she not have been spading? may we not have been spading? may you not have been spading? may they not have been spading?