I must copper you must copper he must copper we must copper you must copper they must copper
Forma con V-ing
I must be coppering you must be coppering he must be coppering we must be coppering you must be coppering they must be coppering
Perfecto
I must have coppered you must have coppered he must have coppered we must have coppered you must have coppered they must have coppered
Perfecto con V-ing
I must have been coppering you must have been coppering he must have been coppering we must have been coppering you must have been coppering they must have been coppering
Negación
Forma simple
I must not copper you must not copper he must not copper we must not copper you must not copper they must not copper
Forma con V-ing
I must not be coppering you must not be coppering he must not be coppering we must not be coppering you must not be coppering they must not be coppering
Perfecto
I must not have coppered you must not have coppered he must not have coppered we must not have coppered you must not have coppered they must not have coppered
Perfecto con V-ing
I must not have been coppering you must not have been coppering he must not have been coppering we must not have been coppering you must not have been coppering they must not have been coppering
Forma interrogativa
Forma simple
must I copper? must you copper? must he copper? must we copper? must you copper? must they copper?
Forma con V-ing
must I be coppering? must you be coppering? must he be coppering? must we be coppering? must you be coppering? must they be coppering?
Perfecto
must I have coppered? must you have coppered? must he have coppered? must we have coppered? must you have coppered? must they have coppered?
Perfecto con V-ing
must I have been coppering? must you have been coppering? must he have been coppering? must we have been coppering? must you have been coppering? must they have been coppering?
Forma interro-negativa
Forma simple
must I not copper? must you not copper? must he not copper? must we not copper? must you not copper? must they not copper?
Forma con V-ing
must I not be coppering? must you not be coppering? must he not be coppering? must we not be coppering? must you not be coppering? must they not be coppering?
Perfecto
must I not have coppered? must you not have coppered? must he not have coppered? must we not have coppered? must you not have coppered? must they not have coppered?
Perfecto con V-ing
must I not have been coppering? must you not have been coppering? must he not have been coppering? must we not have been coppering? must you not have been coppering? must they not have been coppering?