Conjugación del verbo inglés
MUST FROST

Verbo regular: frost - frosted - frosted

Afirmación

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

Negación

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

Forma interrogativa

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

Forma interro-negativa

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