I could board you could board she could board we could board you could board they could board
Forma con V-ing
I could be boarding you could be boarding she could be boarding we could be boarding you could be boarding they could be boarding
Perfetto
I could have boarded you could have boarded she could have boarded we could have boarded you could have boarded they could have boarded
Perfetto con V-ing
I could have been boarding you could have been boarding she could have been boarding we could have been boarding you could have been boarding they could have been boarding
Negazione
Forma semplice
I couldn't board you couldn't board she couldn't board we couldn't board you couldn't board they couldn't board
Forma con V-ing
I couldn't be boarding you couldn't be boarding she couldn't be boarding we couldn't be boarding you couldn't be boarding they couldn't be boarding
Perfetto
I couldn't have boarded you couldn't have boarded she couldn't have boarded we couldn't have boarded you couldn't have boarded they couldn't have boarded
Perfetto con V-ing
I couldn't have been boarding you couldn't have been boarding she couldn't have been boarding we couldn't have been boarding you couldn't have been boarding they couldn't have been boarding
Forma interrogativa
Forma semplice
could I board? could you board? could she board? could we board? could you board? could they board?
Forma con V-ing
could I be boarding? could you be boarding? could she be boarding? could we be boarding? could you be boarding? could they be boarding?
Perfetto
could I have boarded? could you have boarded? could she have boarded? could we have boarded? could you have boarded? could they have boarded?
Perfetto con V-ing
could I have been boarding? could you have been boarding? could she have been boarding? could we have been boarding? could you have been boarding? could they have been boarding?
Forma interro-negativa
Forma semplice
couldn't I board? couldn't you board? couldn't she board? couldn't we board? couldn't you board? couldn't they board?
Forma con V-ing
couldn't I be boarding? couldn't you be boarding? couldn't she be boarding? couldn't we be boarding? couldn't you be boarding? couldn't they be boarding?
Perfetto
couldn't I have boarded? couldn't you have boarded? couldn't she have boarded? couldn't we have boarded? couldn't you have boarded? couldn't they have boarded?
Perfetto con V-ing
couldn't I have been boarding? couldn't you have been boarding? couldn't she have been boarding? couldn't we have been boarding? couldn't you have been boarding? couldn't they have been boarding?