Conjugaison du verbe anglais MUST BACK
Verbe régulier : back - backed - backed
Affirmation
Forme simple
I must back
you must back
he must back
we must back
you must back
they must back
Forme en V-ing
I must be backing
you must be backing
he must be backing
we must be backing
you must be backing
they must be backing
Perfect
I must have backed
you must have backed
he must have backed
we must have backed
you must have backed
they must have backed
Perfect en V-ing
I must have been backing
you must have been backing
he must have been backing
we must have been backing
you must have been backing
they must have been backing
Négation
Forme simple
I mustn't back
you mustn't back
he mustn't back
we mustn't back
you mustn't back
they mustn't back
Forme en V-ing
I mustn't be backing
you mustn't be backing
he mustn't be backing
we mustn't be backing
you mustn't be backing
they mustn't be backing
Perfect
I mustn't have backed
you mustn't have backed
he mustn't have backed
we mustn't have backed
you mustn't have backed
they mustn't have backed
Perfect en V-ing
I mustn't have been backing
you mustn't have been backing
he mustn't have been backing
we mustn't have been backing
you mustn't have been backing
they mustn't have been backing
Forme interrogative
Forme simple
must I back?
must you back?
must he back?
must we back?
must you back?
must they back?
Forme en V-ing
must I be backing?
must you be backing?
must he be backing?
must we be backing?
must you be backing?
must they be backing?
Perfect
must I have backed?
must you have backed?
must he have backed?
must we have backed?
must you have backed?
must they have backed?
Perfect en V-ing
must I have been backing?
must you have been backing?
must he have been backing?
must we have been backing?
must you have been backing?
must they have been backing?
Forme interro-négative
Forme simple
mustn't I back?
mustn't you back?
mustn't he back?
mustn't we back?
mustn't you back?
mustn't they back?
Forme en V-ing
mustn't I be backing?
mustn't you be backing?
mustn't he be backing?
mustn't we be backing?
mustn't you be backing?
mustn't they be backing?
Perfect
mustn't I have backed?
mustn't you have backed?
mustn't he have backed?
mustn't we have backed?
mustn't you have backed?
mustn't they have backed?
Perfect en V-ing
mustn't I have been backing?
mustn't you have been backing?
mustn't he have been backing?
mustn't we have been backing?
mustn't you have been backing?
mustn't they have been backing?
Verbe au hasard
admit - affect - amount - arc - bread - busy - collide - conclude - consider - contain - contend - corrupt - decorate - display - drink - echo - exclude - fend - finalize - follow - frighten - glad - improve - loco - mark - owe - pedal - post - practice - put - rain - rap - reach - relent - rent - restore - save - spot - to be - to do - to go - to have - utilize - vibrate