I must attempt you must attempt she must attempt we must attempt you must attempt they must attempt
Forme en V-ing
I must be attempting you must be attempting she must be attempting we must be attempting you must be attempting they must be attempting
Perfect
I must have attempted you must have attempted she must have attempted we must have attempted you must have attempted they must have attempted
Perfect en V-ing
I must have been attempting you must have been attempting she must have been attempting we must have been attempting you must have been attempting they must have been attempting
Négation
Forme simple
I must not attempt you must not attempt she must not attempt we must not attempt you must not attempt they must not attempt
Forme en V-ing
I must not be attempting you must not be attempting she must not be attempting we must not be attempting you must not be attempting they must not be attempting
Perfect
I must not have attempted you must not have attempted she must not have attempted we must not have attempted you must not have attempted they must not have attempted
Perfect en V-ing
I must not have been attempting you must not have been attempting she must not have been attempting we must not have been attempting you must not have been attempting they must not have been attempting
Forme interrogative
Forme simple
must I attempt? must you attempt? must she attempt? must we attempt? must you attempt? must they attempt?
Forme en V-ing
must I be attempting? must you be attempting? must she be attempting? must we be attempting? must you be attempting? must they be attempting?
Perfect
must I have attempted? must you have attempted? must she have attempted? must we have attempted? must you have attempted? must they have attempted?
Perfect en V-ing
must I have been attempting? must you have been attempting? must she have been attempting? must we have been attempting? must you have been attempting? must they have been attempting?
Forme interro-négative
Forme simple
must I not attempt? must you not attempt? must she not attempt? must we not attempt? must you not attempt? must they not attempt?
Forme en V-ing
must I not be attempting? must you not be attempting? must she not be attempting? must we not be attempting? must you not be attempting? must they not be attempting?
Perfect
must I not have attempted? must you not have attempted? must she not have attempted? must we not have attempted? must you not have attempted? must they not have attempted?
Perfect en V-ing
must I not have been attempting? must you not have been attempting? must she not have been attempting? must we not have been attempting? must you not have been attempting? must they not have been attempting?