must loo
Verbe régulier : loo - looed- looed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must loo
you must loo
he must loo
we must loo
you must loo
they must loo 	I must be looing
you must be looing
he must be looing
we must be looing
you must be looing
they must be looing	I must have looed
you must have looed
he must have looed
we must have looed
you must have looed
they must have looed	I must have been looing
you must have been looing
he must have been looing
we must have been looing
you must have been looing
they must have been looing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't loo
you mustn't loo
he mustn't loo
we mustn't loo
you mustn't loo
they mustn't loo 	I mustn't be looing
you mustn't be looing
he mustn't be looing
we mustn't be looing
you mustn't be looing
they mustn't be looing	I mustn't have looed
you mustn't have looed
he mustn't have looed
we mustn't have looed
you mustn't have looed
they mustn't have looed	I mustn't have been looing
you mustn't have been looing
he mustn't have been looing
we mustn't have been looing
you mustn't have been looing
they mustn't have been looing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I loo?
must you loo?
must he loo?
must we loo?
must you loo?
must they loo? 	must I be looing?
must you be looing?
must he be looing?
must we be looing?
must you be looing?
must they be looing? 	must I have looed?
must you have looed?
must he have looed?
must we have looed?
must you have looed?
must they have looed? 	must I have been looing?
must you have been looing?
must he have been looing?
must we have been looing?
must you have been looing?
must they have been looing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I loo?
mustn't you loo?
mustn't he loo?
mustn't we loo?
mustn't you loo?
mustn't they loo? 	mustn't I be looing?
mustn't you be looing?
mustn't he be looing?
mustn't we be looing?
mustn't you be looing?
mustn't they be looing? 	mustn't I have looed?
mustn't you have looed?
mustn't he have looed?
mustn't we have looed?
mustn't you have looed?
mustn't they have looed? 	mustn't I have been looing?
mustn't you have been looing?
mustn't he have been looing?
mustn't we have been looing?
mustn't you have been looing?
mustn't they have been looing?