Conjugaison du verbe anglais MUST BACK
Verbe régulier : back - backed - backed
Affirmation
Forme simple
I must back
you must back
she must back
we must back
you must back
they must back
Forme en V-ing
I must be backing
you must be backing
she must be backing
we must be backing
you must be backing
they must be backing
Perfect
I must have backed
you must have backed
she 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
she 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
she 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
she 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
she 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
she 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 she back?
must we back?
must you back?
must they back?
Forme en V-ing
must I be backing?
must you be backing?
must she be backing?
must we be backing?
must you be backing?
must they be backing?
Perfect
must I have backed?
must you have backed?
must she 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 she 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 she 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 she 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 she 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 she have been backing?
mustn't we have been backing?
mustn't you have been backing?
mustn't they have been backing?
Verbe au hasard
advantage - agree - amaze - arm - attract - bear - beat - benefit - circle - clean - coffer - complain - conjugate - cycle - demit - desire - down - draft - exclaim - float - free - full - giggle - glad - greet - im - kayak - lie - matter - perform - rain - rebuild - refit - resume - skip - sough - thank - threaten - to be - to do - to go - to have - vary - warn