I must restrengthen you must restrengthen he must restrengthen we must restrengthen you must restrengthen they must restrengthen
Forme en V-ing
I must be restrengthening you must be restrengthening he must be restrengthening we must be restrengthening you must be restrengthening they must be restrengthening
Perfect
I must have restrengthened you must have restrengthened he must have restrengthened we must have restrengthened you must have restrengthened they must have restrengthened
Perfect en V-ing
I must have been restrengthening you must have been restrengthening he must have been restrengthening we must have been restrengthening you must have been restrengthening they must have been restrengthening
Négation
Forme simple
I must not restrengthen you must not restrengthen he must not restrengthen we must not restrengthen you must not restrengthen they must not restrengthen
Forme en V-ing
I must not be restrengthening you must not be restrengthening he must not be restrengthening we must not be restrengthening you must not be restrengthening they must not be restrengthening
Perfect
I must not have restrengthened you must not have restrengthened he must not have restrengthened we must not have restrengthened you must not have restrengthened they must not have restrengthened
Perfect en V-ing
I must not have been restrengthening you must not have been restrengthening he must not have been restrengthening we must not have been restrengthening you must not have been restrengthening they must not have been restrengthening
Forme interrogative
Forme simple
must I restrengthen? must you restrengthen? must he restrengthen? must we restrengthen? must you restrengthen? must they restrengthen?
Forme en V-ing
must I be restrengthening? must you be restrengthening? must he be restrengthening? must we be restrengthening? must you be restrengthening? must they be restrengthening?
Perfect
must I have restrengthened? must you have restrengthened? must he have restrengthened? must we have restrengthened? must you have restrengthened? must they have restrengthened?
Perfect en V-ing
must I have been restrengthening? must you have been restrengthening? must he have been restrengthening? must we have been restrengthening? must you have been restrengthening? must they have been restrengthening?
Forme interro-négative
Forme simple
must I not restrengthen? must you not restrengthen? must he not restrengthen? must we not restrengthen? must you not restrengthen? must they not restrengthen?
Forme en V-ing
must I not be restrengthening? must you not be restrengthening? must he not be restrengthening? must we not be restrengthening? must you not be restrengthening? must they not be restrengthening?
Perfect
must I not have restrengthened? must you not have restrengthened? must he not have restrengthened? must we not have restrengthened? must you not have restrengthened? must they not have restrengthened?
Perfect en V-ing
must I not have been restrengthening? must you not have been restrengthening? must he not have been restrengthening? must we not have been restrengthening? must you not have been restrengthening? must they not have been restrengthening?