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