Conjugaison du verbe anglais
MUST CONCENTER

Verbe régulier : concenter - concentered - concentered

Affirmation

Forme simple	Forme en V-ing
I must concenter you must concenter she must concenter we must concenter you must concenter they must concenter	I must be concentering you must be concentering she must be concentering we must be concentering you must be concentering they must be concentering
Perfect	Perfect en V-ing
I must have concentered you must have concentered she must have concentered we must have concentered you must have concentered they must have concentered	I must have been concentering you must have been concentering she must have been concentering we must have been concentering you must have been concentering they must have been concentering

Négation

Forme simple	Forme en V-ing
I must not concenter you must not concenter she must not concenter we must not concenter you must not concenter they must not concenter	I must not be concentering you must not be concentering she must not be concentering we must not be concentering you must not be concentering they must not be concentering
Perfect	Perfect en V-ing
I must not have concentered you must not have concentered she must not have concentered we must not have concentered you must not have concentered they must not have concentered	I must not have been concentering you must not have been concentering she must not have been concentering we must not have been concentering you must not have been concentering they must not have been concentering

Forme interrogative

Forme simple	Forme en V-ing
must I concenter? must you concenter? must she concenter? must we concenter? must you concenter? must they concenter?	must I be concentering? must you be concentering? must she be concentering? must we be concentering? must you be concentering? must they be concentering?
Perfect	Perfect en V-ing
must I have concentered? must you have concentered? must she have concentered? must we have concentered? must you have concentered? must they have concentered?	must I have been concentering? must you have been concentering? must she have been concentering? must we have been concentering? must you have been concentering? must they have been concentering?

Forme interro-négative

Forme simple	Forme en V-ing
must I not concenter? must you not concenter? must she not concenter? must we not concenter? must you not concenter? must they not concenter?	must I not be concentering? must you not be concentering? must she not be concentering? must we not be concentering? must you not be concentering? must they not be concentering?
Perfect	Perfect en V-ing
must I not have concentered? must you not have concentered? must she not have concentered? must we not have concentered? must you not have concentered? must they not have concentered?	must I not have been concentering? must you not have been concentering? must she not have been concentering? must we not have been concentering? must you not have been concentering? must they not have been concentering?