I can frost you can frost she can frost we can frost you can frost they can frost
Forma con V-ing
I can be frosting you can be frosting she can be frosting we can be frosting you can be frosting they can be frosting
Perfecto
I can have frosted you can have frosted she can have frosted we can have frosted you can have frosted they can have frosted
Perfecto con V-ing
I can have been frosting you can have been frosting she can have been frosting we can have been frosting you can have been frosting they can have been frosting
Negación
Forma simple
I cannot frost you cannot frost she cannot frost we cannot frost you cannot frost they cannot frost
Forma con V-ing
I cannot be frosting you cannot be frosting she cannot be frosting we cannot be frosting you cannot be frosting they cannot be frosting
Perfecto
I cannot have frosted you cannot have frosted she cannot have frosted we cannot have frosted you cannot have frosted they cannot have frosted
Perfecto con V-ing
I cannot have been frosting you cannot have been frosting she cannot have been frosting we cannot have been frosting you cannot have been frosting they cannot have been frosting
Forma interrogativa
Forma simple
can I frost? can you frost? can she frost? can we frost? can you frost? can they frost?
Forma con V-ing
can I be frosting? can you be frosting? can she be frosting? can we be frosting? can you be frosting? can they be frosting?
Perfecto
can I have frosted? can you have frosted? can she have frosted? can we have frosted? can you have frosted? can they have frosted?
Perfecto con V-ing
can I have been frosting? can you have been frosting? can she have been frosting? can we have been frosting? can you have been frosting? can they have been frosting?
Forma interro-negativa
Forma simple
can I not frost? can you not frost? can she not frost? can we not frost? can you not frost? can they not frost?
Forma con V-ing
can I not be frosting? can you not be frosting? can she not be frosting? can we not be frosting? can you not be frosting? can they not be frosting?
Perfecto
can I not have frosted? can you not have frosted? can she not have frosted? can we not have frosted? can you not have frosted? can they not have frosted?
Perfecto con V-ing
can I not have been frosting? can you not have been frosting? can she not have been frosting? can we not have been frosting? can you not have been frosting? can they not have been frosting?