I must boo-hoo you must boo-hoo she must boo-hoo we must boo-hoo you must boo-hoo they must boo-hoo
Forme en V-ing
I must be boo-hooing you must be boo-hooing she must be boo-hooing we must be boo-hooing you must be boo-hooing they must be boo-hooing
Perfect
I must have boo-hooed you must have boo-hooed she must have boo-hooed we must have boo-hooed you must have boo-hooed they must have boo-hooed
Perfect en V-ing
I must have been boo-hooing you must have been boo-hooing she must have been boo-hooing we must have been boo-hooing you must have been boo-hooing they must have been boo-hooing
Négation
Forme simple
I mustn't boo-hoo you mustn't boo-hoo she mustn't boo-hoo we mustn't boo-hoo you mustn't boo-hoo they mustn't boo-hoo
Forme en V-ing
I mustn't be boo-hooing you mustn't be boo-hooing she mustn't be boo-hooing we mustn't be boo-hooing you mustn't be boo-hooing they mustn't be boo-hooing
Perfect
I mustn't have boo-hooed you mustn't have boo-hooed she mustn't have boo-hooed we mustn't have boo-hooed you mustn't have boo-hooed they mustn't have boo-hooed
Perfect en V-ing
I mustn't have been boo-hooing you mustn't have been boo-hooing she mustn't have been boo-hooing we mustn't have been boo-hooing you mustn't have been boo-hooing they mustn't have been boo-hooing
Forme interrogative
Forme simple
must I boo-hoo? must you boo-hoo? must she boo-hoo? must we boo-hoo? must you boo-hoo? must they boo-hoo?
Forme en V-ing
must I be boo-hooing? must you be boo-hooing? must she be boo-hooing? must we be boo-hooing? must you be boo-hooing? must they be boo-hooing?
Perfect
must I have boo-hooed? must you have boo-hooed? must she have boo-hooed? must we have boo-hooed? must you have boo-hooed? must they have boo-hooed?
Perfect en V-ing
must I have been boo-hooing? must you have been boo-hooing? must she have been boo-hooing? must we have been boo-hooing? must you have been boo-hooing? must they have been boo-hooing?
Forme interro-négative
Forme simple
mustn't I boo-hoo? mustn't you boo-hoo? mustn't she boo-hoo? mustn't we boo-hoo? mustn't you boo-hoo? mustn't they boo-hoo?
Forme en V-ing
mustn't I be boo-hooing? mustn't you be boo-hooing? mustn't she be boo-hooing? mustn't we be boo-hooing? mustn't you be boo-hooing? mustn't they be boo-hooing?
Perfect
mustn't I have boo-hooed? mustn't you have boo-hooed? mustn't she have boo-hooed? mustn't we have boo-hooed? mustn't you have boo-hooed? mustn't they have boo-hooed?
Perfect en V-ing
mustn't I have been boo-hooing? mustn't you have been boo-hooing? mustn't she have been boo-hooing? mustn't we have been boo-hooing? mustn't you have been boo-hooing? mustn't they have been boo-hooing?