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