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