Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I must buy buy you must buy buy she must buy buy we must buy buy you must buy buy they must buy buy
Forma con V-ing
I must be buy buying you must be buy buying she must be buy buying we must be buy buying you must be buy buying they must be buy buying
Perfecto
I must have buy buyed you must have buy buyed she must have buy buyed we must have buy buyed you must have buy buyed they must have buy buyed
Perfecto con V-ing
I must have been buy buying you must have been buy buying she must have been buy buying we must have been buy buying you must have been buy buying they must have been buy buying
Negación
Forma simple
I mustn't buy buy you mustn't buy buy she mustn't buy buy we mustn't buy buy you mustn't buy buy they mustn't buy buy
Forma con V-ing
I mustn't be buy buying you mustn't be buy buying she mustn't be buy buying we mustn't be buy buying you mustn't be buy buying they mustn't be buy buying
Perfecto
I mustn't have buy buyed you mustn't have buy buyed she mustn't have buy buyed we mustn't have buy buyed you mustn't have buy buyed they mustn't have buy buyed
Perfecto con V-ing
I mustn't have been buy buying you mustn't have been buy buying she mustn't have been buy buying we mustn't have been buy buying you mustn't have been buy buying they mustn't have been buy buying
Forma interrogativa
Forma simple
must I buy buy? must you buy buy? must she buy buy? must we buy buy? must you buy buy? must they buy buy?
Forma con V-ing
must I be buy buying? must you be buy buying? must she be buy buying? must we be buy buying? must you be buy buying? must they be buy buying?
Perfecto
must I have buy buyed? must you have buy buyed? must she have buy buyed? must we have buy buyed? must you have buy buyed? must they have buy buyed?
Perfecto con V-ing
must I have been buy buying? must you have been buy buying? must she have been buy buying? must we have been buy buying? must you have been buy buying? must they have been buy buying?
Forma interro-negativa
Forma simple
mustn't I buy buy? mustn't you buy buy? mustn't she buy buy? mustn't we buy buy? mustn't you buy buy? mustn't they buy buy?
Forma con V-ing
mustn't I be buy buying? mustn't you be buy buying? mustn't she be buy buying? mustn't we be buy buying? mustn't you be buy buying? mustn't they be buy buying?
Perfecto
mustn't I have buy buyed? mustn't you have buy buyed? mustn't she have buy buyed? mustn't we have buy buyed? mustn't you have buy buyed? mustn't they have buy buyed?
Perfecto con V-ing
mustn't I have been buy buying? mustn't you have been buy buying? mustn't she have been buy buying? mustn't we have been buy buying? mustn't you have been buy buying? mustn't they have been buy buying?