I could rank you could rank she could rank we could rank you could rank they could rank
Forma con V-ing
I could be ranking you could be ranking she could be ranking we could be ranking you could be ranking they could be ranking
Perfecto
I could have ranked you could have ranked she could have ranked we could have ranked you could have ranked they could have ranked
Perfecto con V-ing
I could have been ranking you could have been ranking she could have been ranking we could have been ranking you could have been ranking they could have been ranking
Negación
Forma simple
I couldn't rank you couldn't rank she couldn't rank we couldn't rank you couldn't rank they couldn't rank
Forma con V-ing
I couldn't be ranking you couldn't be ranking she couldn't be ranking we couldn't be ranking you couldn't be ranking they couldn't be ranking
Perfecto
I couldn't have ranked you couldn't have ranked she couldn't have ranked we couldn't have ranked you couldn't have ranked they couldn't have ranked
Perfecto con V-ing
I couldn't have been ranking you couldn't have been ranking she couldn't have been ranking we couldn't have been ranking you couldn't have been ranking they couldn't have been ranking
Forma interrogativa
Forma simple
could I rank? could you rank? could she rank? could we rank? could you rank? could they rank?
Forma con V-ing
could I be ranking? could you be ranking? could she be ranking? could we be ranking? could you be ranking? could they be ranking?
Perfecto
could I have ranked? could you have ranked? could she have ranked? could we have ranked? could you have ranked? could they have ranked?
Perfecto con V-ing
could I have been ranking? could you have been ranking? could she have been ranking? could we have been ranking? could you have been ranking? could they have been ranking?
Forma interro-negativa
Forma simple
couldn't I rank? couldn't you rank? couldn't she rank? couldn't we rank? couldn't you rank? couldn't they rank?
Forma con V-ing
couldn't I be ranking? couldn't you be ranking? couldn't she be ranking? couldn't we be ranking? couldn't you be ranking? couldn't they be ranking?
Perfecto
couldn't I have ranked? couldn't you have ranked? couldn't she have ranked? couldn't we have ranked? couldn't you have ranked? couldn't they have ranked?
Perfecto con V-ing
couldn't I have been ranking? couldn't you have been ranking? couldn't she have been ranking? couldn't we have been ranking? couldn't you have been ranking? couldn't they have been ranking?