may window-shop
Regular verb: window-shop - window-shoped- window-shoped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may window-shop
you may window-shop
she may window-shop
we may window-shop
you may window-shop
they may window-shop 	I may be window-shoping
you may be window-shoping
she may be window-shoping
we may be window-shoping
you may be window-shoping
they may be window-shoping	I may have window-shoped
you may have window-shoped
she may have window-shoped
we may have window-shoped
you may have window-shoped
they may have window-shoped	I may have been window-shoping
you may have been window-shoping
she may have been window-shoping
we may have been window-shoping
you may have been window-shoping
they may have been window-shoping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't window-shop
you mayn't window-shop
she mayn't window-shop
we mayn't window-shop
you mayn't window-shop
they mayn't window-shop 	I mayn't be window-shoping
you mayn't be window-shoping
she mayn't be window-shoping
we mayn't be window-shoping
you mayn't be window-shoping
they mayn't be window-shoping	I mayn't have window-shoped
you mayn't have window-shoped
she mayn't have window-shoped
we mayn't have window-shoped
you mayn't have window-shoped
they mayn't have window-shoped	I mayn't have been window-shoping
you mayn't have been window-shoping
she mayn't have been window-shoping
we mayn't have been window-shoping
you mayn't have been window-shoping
they mayn't have been window-shoping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I window-shop?
may you window-shop?
may she window-shop?
may we window-shop?
may you window-shop?
may they window-shop? 	may I be window-shoping?
may you be window-shoping?
may she be window-shoping?
may we be window-shoping?
may you be window-shoping?
may they be window-shoping? 	may I have window-shoped?
may you have window-shoped?
may she have window-shoped?
may we have window-shoped?
may you have window-shoped?
may they have window-shoped? 	may I have been window-shoping?
may you have been window-shoping?
may she have been window-shoping?
may we have been window-shoping?
may you have been window-shoping?
may they have been window-shoping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I window-shop?
mayn't you window-shop?
mayn't she window-shop?
mayn't we window-shop?
mayn't you window-shop?
mayn't they window-shop? 	mayn't I be window-shoping?
mayn't you be window-shoping?
mayn't she be window-shoping?
mayn't we be window-shoping?
mayn't you be window-shoping?
mayn't they be window-shoping? 	mayn't I have window-shoped?
mayn't you have window-shoped?
mayn't she have window-shoped?
mayn't we have window-shoped?
mayn't you have window-shoped?
mayn't they have window-shoped? 	mayn't I have been window-shoping?
mayn't you have been window-shoping?
mayn't she have been window-shoping?
mayn't we have been window-shoping?
mayn't you have been window-shoping?
mayn't they have been window-shoping?