can window-shop
Regular verb: window-shop - window-shoped- window-shoped

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

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

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

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