I could vary you could vary he could vary we could vary you could vary they could vary
Forma con V-ing
I could be varying you could be varying he could be varying we could be varying you could be varying they could be varying
Perfetto
I could have varied you could have varied he could have varied we could have varied you could have varied they could have varied
Perfetto con V-ing
I could have been varying you could have been varying he could have been varying we could have been varying you could have been varying they could have been varying
Negazione
Forma semplice
I couldn't vary you couldn't vary he couldn't vary we couldn't vary you couldn't vary they couldn't vary
Forma con V-ing
I couldn't be varying you couldn't be varying he couldn't be varying we couldn't be varying you couldn't be varying they couldn't be varying
Perfetto
I couldn't have varied you couldn't have varied he couldn't have varied we couldn't have varied you couldn't have varied they couldn't have varied
Perfetto con V-ing
I couldn't have been varying you couldn't have been varying he couldn't have been varying we couldn't have been varying you couldn't have been varying they couldn't have been varying
Forma interrogativa
Forma semplice
could I vary? could you vary? could he vary? could we vary? could you vary? could they vary?
Forma con V-ing
could I be varying? could you be varying? could he be varying? could we be varying? could you be varying? could they be varying?
Perfetto
could I have varied? could you have varied? could he have varied? could we have varied? could you have varied? could they have varied?
Perfetto con V-ing
could I have been varying? could you have been varying? could he have been varying? could we have been varying? could you have been varying? could they have been varying?
Forma interro-negativa
Forma semplice
couldn't I vary? couldn't you vary? couldn't he vary? couldn't we vary? couldn't you vary? couldn't they vary?
Forma con V-ing
couldn't I be varying? couldn't you be varying? couldn't he be varying? couldn't we be varying? couldn't you be varying? couldn't they be varying?
Perfetto
couldn't I have varied? couldn't you have varied? couldn't he have varied? couldn't we have varied? couldn't you have varied? couldn't they have varied?
Perfetto con V-ing
couldn't I have been varying? couldn't you have been varying? couldn't he have been varying? couldn't we have been varying? couldn't you have been varying? couldn't they have been varying?