can frost
Verbo regular: frost - frosted- frosted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can frost
you can frost
he can frost
we can frost
you can frost
they can frost 	I can be frosting
you can be frosting
he can be frosting
we can be frosting
you can be frosting
they can be frosting	I can have frosted
you can have frosted
he can have frosted
we can have frosted
you can have frosted
they can have frosted	I can have been frosting
you can have been frosting
he can have been frosting
we can have been frosting
you can have been frosting
they can have been frosting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't frost
you can't frost
he can't frost
we can't frost
you can't frost
they can't frost 	I can't be frosting
you can't be frosting
he can't be frosting
we can't be frosting
you can't be frosting
they can't be frosting	I can't have frosted
you can't have frosted
he can't have frosted
we can't have frosted
you can't have frosted
they can't have frosted	I can't have been frosting
you can't have been frosting
he can't have been frosting
we can't have been frosting
you can't have been frosting
they can't have been frosting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I frost?
can you frost?
can he frost?
can we frost?
can you frost?
can they frost? 	can I be frosting?
can you be frosting?
can he be frosting?
can we be frosting?
can you be frosting?
can they be frosting? 	can I have frosted?
can you have frosted?
can he have frosted?
can we have frosted?
can you have frosted?
can they have frosted? 	can I have been frosting?
can you have been frosting?
can he have been frosting?
can we have been frosting?
can you have been frosting?
can they have been frosting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I frost?
can't you frost?
can't he frost?
can't we frost?
can't you frost?
can't they frost? 	can't I be frosting?
can't you be frosting?
can't he be frosting?
can't we be frosting?
can't you be frosting?
can't they be frosting? 	can't I have frosted?
can't you have frosted?
can't he have frosted?
can't we have frosted?
can't you have frosted?
can't they have frosted? 	can't I have been frosting?
can't you have been frosting?
can't he have been frosting?
can't we have been frosting?
can't you have been frosting?
can't they have been frosting?