Conjugaison du verbe anglais MUST PREFER

I must prefer
you must prefer
she must prefer
we must prefer
you must prefer
they must prefer

I must be preferring
you must be preferring
she must be preferring
we must be preferring
you must be preferring
they must be preferring

I must have preferred
you must have preferred
she must have preferred
we must have preferred
you must have preferred
they must have preferred

I must have been preferring
you must have been preferring
she must have been preferring
we must have been preferring
you must have been preferring
they must have been preferring

I mustn't prefer
you mustn't prefer
she mustn't prefer
we mustn't prefer
you mustn't prefer
they mustn't prefer

I mustn't be preferring
you mustn't be preferring
she mustn't be preferring
we mustn't be preferring
you mustn't be preferring
they mustn't be preferring

I mustn't have preferred
you mustn't have preferred
she mustn't have preferred
we mustn't have preferred
you mustn't have preferred
they mustn't have preferred

I mustn't have been preferring
you mustn't have been preferring
she mustn't have been preferring
we mustn't have been preferring
you mustn't have been preferring
they mustn't have been preferring

must I prefer?
must you prefer?
must she prefer?
must we prefer?
must you prefer?
must they prefer?

must I be preferring?
must you be preferring?
must she be preferring?
must we be preferring?
must you be preferring?
must they be preferring?

must I have preferred?
must you have preferred?
must she have preferred?
must we have preferred?
must you have preferred?
must they have preferred?

must I have been preferring?
must you have been preferring?
must she have been preferring?
must we have been preferring?
must you have been preferring?
must they have been preferring?

mustn't I prefer?
mustn't you prefer?
mustn't she prefer?
mustn't we prefer?
mustn't you prefer?
mustn't they prefer?

mustn't I be preferring?
mustn't you be preferring?
mustn't she be preferring?
mustn't we be preferring?
mustn't you be preferring?
mustn't they be preferring?

mustn't I have preferred?
mustn't you have preferred?
mustn't she have preferred?
mustn't we have preferred?
mustn't you have preferred?
mustn't they have preferred?

mustn't I have been preferring?
mustn't you have been preferring?
mustn't she have been preferring?
mustn't we have been preferring?
mustn't you have been preferring?
mustn't they have been preferring?