I must second you must second he must second we must second you must second they must second
Forma con V-ing
I must be seconding you must be seconding he must be seconding we must be seconding you must be seconding they must be seconding
Perfecto
I must have seconded you must have seconded he must have seconded we must have seconded you must have seconded they must have seconded
Perfecto con V-ing
I must have been seconding you must have been seconding he must have been seconding we must have been seconding you must have been seconding they must have been seconding
Negación
Forma simple
I mustn't second you mustn't second he mustn't second we mustn't second you mustn't second they mustn't second
Forma con V-ing
I mustn't be seconding you mustn't be seconding he mustn't be seconding we mustn't be seconding you mustn't be seconding they mustn't be seconding
Perfecto
I mustn't have seconded you mustn't have seconded he mustn't have seconded we mustn't have seconded you mustn't have seconded they mustn't have seconded
Perfecto con V-ing
I mustn't have been seconding you mustn't have been seconding he mustn't have been seconding we mustn't have been seconding you mustn't have been seconding they mustn't have been seconding
Forma interrogativa
Forma simple
must I second? must you second? must he second? must we second? must you second? must they second?
Forma con V-ing
must I be seconding? must you be seconding? must he be seconding? must we be seconding? must you be seconding? must they be seconding?
Perfecto
must I have seconded? must you have seconded? must he have seconded? must we have seconded? must you have seconded? must they have seconded?
Perfecto con V-ing
must I have been seconding? must you have been seconding? must he have been seconding? must we have been seconding? must you have been seconding? must they have been seconding?
Forma interro-negativa
Forma simple
mustn't I second? mustn't you second? mustn't he second? mustn't we second? mustn't you second? mustn't they second?
Forma con V-ing
mustn't I be seconding? mustn't you be seconding? mustn't he be seconding? mustn't we be seconding? mustn't you be seconding? mustn't they be seconding?
Perfecto
mustn't I have seconded? mustn't you have seconded? mustn't he have seconded? mustn't we have seconded? mustn't you have seconded? mustn't they have seconded?
Perfecto con V-ing
mustn't I have been seconding? mustn't you have been seconding? mustn't he have been seconding? mustn't we have been seconding? mustn't you have been seconding? mustn't they have been seconding?