must window-shop
Verbe régulier : window-shop - window-shoped- window-shoped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must window-shop
you must window-shop
he must window-shop
we must window-shop
you must window-shop
they must window-shop 	I must be window-shoping
you must be window-shoping
he must be window-shoping
we must be window-shoping
you must be window-shoping
they must be window-shoping	I must have window-shoped
you must have window-shoped
he must have window-shoped
we must have window-shoped
you must have window-shoped
they must have window-shoped	I must have been window-shoping
you must have been window-shoping
he must have been window-shoping
we must have been window-shoping
you must have been window-shoping
they must have been window-shoping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't window-shop
you mustn't window-shop
he mustn't window-shop
we mustn't window-shop
you mustn't window-shop
they mustn't window-shop 	I mustn't be window-shoping
you mustn't be window-shoping
he mustn't be window-shoping
we mustn't be window-shoping
you mustn't be window-shoping
they mustn't be window-shoping	I mustn't have window-shoped
you mustn't have window-shoped
he mustn't have window-shoped
we mustn't have window-shoped
you mustn't have window-shoped
they mustn't have window-shoped	I mustn't have been window-shoping
you mustn't have been window-shoping
he mustn't have been window-shoping
we mustn't have been window-shoping
you mustn't have been window-shoping
they mustn't have been window-shoping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I window-shop?
must you window-shop?
must he window-shop?
must we window-shop?
must you window-shop?
must they window-shop? 	must I be window-shoping?
must you be window-shoping?
must he be window-shoping?
must we be window-shoping?
must you be window-shoping?
must they be window-shoping? 	must I have window-shoped?
must you have window-shoped?
must he have window-shoped?
must we have window-shoped?
must you have window-shoped?
must they have window-shoped? 	must I have been window-shoping?
must you have been window-shoping?
must he have been window-shoping?
must we have been window-shoping?
must you have been window-shoping?
must they have been window-shoping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I window-shop?
mustn't you window-shop?
mustn't he window-shop?
mustn't we window-shop?
mustn't you window-shop?
mustn't they window-shop? 	mustn't I be window-shoping?
mustn't you be window-shoping?
mustn't he be window-shoping?
mustn't we be window-shoping?
mustn't you be window-shoping?
mustn't they be window-shoping? 	mustn't I have window-shoped?
mustn't you have window-shoped?
mustn't he have window-shoped?
mustn't we have window-shoped?
mustn't you have window-shoped?
mustn't they have window-shoped? 	mustn't I have been window-shoping?
mustn't you have been window-shoping?
mustn't he have been window-shoping?
mustn't we have been window-shoping?
mustn't you have been window-shoping?
mustn't they have been window-shoping?