Verbe régulier : head - headed - headed Traduction française : être à la tête de - aller
Affirmation
Forme simple
I must head you must head he must head we must head you must head they must head
Forme en V-ing
I must be heading you must be heading he must be heading we must be heading you must be heading they must be heading
Perfect
I must have headed you must have headed he must have headed we must have headed you must have headed they must have headed
Perfect en V-ing
I must have been heading you must have been heading he must have been heading we must have been heading you must have been heading they must have been heading
Négation
Forme simple
I mustn't head you mustn't head he mustn't head we mustn't head you mustn't head they mustn't head
Forme en V-ing
I mustn't be heading you mustn't be heading he mustn't be heading we mustn't be heading you mustn't be heading they mustn't be heading
Perfect
I mustn't have headed you mustn't have headed he mustn't have headed we mustn't have headed you mustn't have headed they mustn't have headed
Perfect en V-ing
I mustn't have been heading you mustn't have been heading he mustn't have been heading we mustn't have been heading you mustn't have been heading they mustn't have been heading
Forme interrogative
Forme simple
must I head? must you head? must he head? must we head? must you head? must they head?
Forme en V-ing
must I be heading? must you be heading? must he be heading? must we be heading? must you be heading? must they be heading?
Perfect
must I have headed? must you have headed? must he have headed? must we have headed? must you have headed? must they have headed?
Perfect en V-ing
must I have been heading? must you have been heading? must he have been heading? must we have been heading? must you have been heading? must they have been heading?
Forme interro-négative
Forme simple
mustn't I head? mustn't you head? mustn't he head? mustn't we head? mustn't you head? mustn't they head?
Forme en V-ing
mustn't I be heading? mustn't you be heading? mustn't he be heading? mustn't we be heading? mustn't you be heading? mustn't they be heading?
Perfect
mustn't I have headed? mustn't you have headed? mustn't he have headed? mustn't we have headed? mustn't you have headed? mustn't they have headed?
Perfect en V-ing
mustn't I have been heading? mustn't you have been heading? mustn't he have been heading? mustn't we have been heading? mustn't you have been heading? mustn't they have been heading?