may upswing
Irregular verb: upswing - upswung- upswung

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may upswing
you may upswing
she may upswing
we may upswing
you may upswing
they may upswing 	I may be upswinging
you may be upswinging
she may be upswinging
we may be upswinging
you may be upswinging
they may be upswinging	I may have upswung
you may have upswung
she may have upswung
we may have upswung
you may have upswung
they may have upswung	I may have been upswinging
you may have been upswinging
she may have been upswinging
we may have been upswinging
you may have been upswinging
they may have been upswinging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't upswing
you mayn't upswing
she mayn't upswing
we mayn't upswing
you mayn't upswing
they mayn't upswing 	I mayn't be upswinging
you mayn't be upswinging
she mayn't be upswinging
we mayn't be upswinging
you mayn't be upswinging
they mayn't be upswinging	I mayn't have upswung
you mayn't have upswung
she mayn't have upswung
we mayn't have upswung
you mayn't have upswung
they mayn't have upswung	I mayn't have been upswinging
you mayn't have been upswinging
she mayn't have been upswinging
we mayn't have been upswinging
you mayn't have been upswinging
they mayn't have been upswinging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I upswing?
may you upswing?
may she upswing?
may we upswing?
may you upswing?
may they upswing? 	may I be upswinging?
may you be upswinging?
may she be upswinging?
may we be upswinging?
may you be upswinging?
may they be upswinging? 	may I have upswung?
may you have upswung?
may she have upswung?
may we have upswung?
may you have upswung?
may they have upswung? 	may I have been upswinging?
may you have been upswinging?
may she have been upswinging?
may we have been upswinging?
may you have been upswinging?
may they have been upswinging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I upswing?
mayn't you upswing?
mayn't she upswing?
mayn't we upswing?
mayn't you upswing?
mayn't they upswing? 	mayn't I be upswinging?
mayn't you be upswinging?
mayn't she be upswinging?
mayn't we be upswinging?
mayn't you be upswinging?
mayn't they be upswinging? 	mayn't I have upswung?
mayn't you have upswung?
mayn't she have upswung?
mayn't we have upswung?
mayn't you have upswung?
mayn't they have upswung? 	mayn't I have been upswinging?
mayn't you have been upswinging?
mayn't she have been upswinging?
mayn't we have been upswinging?
mayn't you have been upswinging?
mayn't they have been upswinging?