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