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