I must tether you must tether she must tether we must tether you must tether they must tether
Forme en V-ing
I must be tethering you must be tethering she must be tethering we must be tethering you must be tethering they must be tethering
Perfect
I must have tethered you must have tethered she must have tethered we must have tethered you must have tethered they must have tethered
Perfect en V-ing
I must have been tethering you must have been tethering she must have been tethering we must have been tethering you must have been tethering they must have been tethering
Négation
Forme simple
I must not tether you must not tether she must not tether we must not tether you must not tether they must not tether
Forme en V-ing
I must not be tethering you must not be tethering she must not be tethering we must not be tethering you must not be tethering they must not be tethering
Perfect
I must not have tethered you must not have tethered she must not have tethered we must not have tethered you must not have tethered they must not have tethered
Perfect en V-ing
I must not have been tethering you must not have been tethering she must not have been tethering we must not have been tethering you must not have been tethering they must not have been tethering
Forme interrogative
Forme simple
must I tether? must you tether? must she tether? must we tether? must you tether? must they tether?
Forme en V-ing
must I be tethering? must you be tethering? must she be tethering? must we be tethering? must you be tethering? must they be tethering?
Perfect
must I have tethered? must you have tethered? must she have tethered? must we have tethered? must you have tethered? must they have tethered?
Perfect en V-ing
must I have been tethering? must you have been tethering? must she have been tethering? must we have been tethering? must you have been tethering? must they have been tethering?
Forme interro-négative
Forme simple
must I not tether? must you not tether? must she not tether? must we not tether? must you not tether? must they not tether?
Forme en V-ing
must I not be tethering? must you not be tethering? must she not be tethering? must we not be tethering? must you not be tethering? must they not be tethering?
Perfect
must I not have tethered? must you not have tethered? must she not have tethered? must we not have tethered? must you not have tethered? must they not have tethered?
Perfect en V-ing
must I not have been tethering? must you not have been tethering? must she not have been tethering? must we not have been tethering? must you not have been tethering? must they not have been tethering?