I must gratify you must gratify she must gratify we must gratify you must gratify they must gratify
Forma con V-ing
I must be gratifying you must be gratifying she must be gratifying we must be gratifying you must be gratifying they must be gratifying
Perfecto
I must have gratified you must have gratified she must have gratified we must have gratified you must have gratified they must have gratified
Perfecto con V-ing
I must have been gratifying you must have been gratifying she must have been gratifying we must have been gratifying you must have been gratifying they must have been gratifying
Negación
Forma simple
I mustn't gratify you mustn't gratify she mustn't gratify we mustn't gratify you mustn't gratify they mustn't gratify
Forma con V-ing
I mustn't be gratifying you mustn't be gratifying she mustn't be gratifying we mustn't be gratifying you mustn't be gratifying they mustn't be gratifying
Perfecto
I mustn't have gratified you mustn't have gratified she mustn't have gratified we mustn't have gratified you mustn't have gratified they mustn't have gratified
Perfecto con V-ing
I mustn't have been gratifying you mustn't have been gratifying she mustn't have been gratifying we mustn't have been gratifying you mustn't have been gratifying they mustn't have been gratifying
Forma interrogativa
Forma simple
must I gratify? must you gratify? must she gratify? must we gratify? must you gratify? must they gratify?
Forma con V-ing
must I be gratifying? must you be gratifying? must she be gratifying? must we be gratifying? must you be gratifying? must they be gratifying?
Perfecto
must I have gratified? must you have gratified? must she have gratified? must we have gratified? must you have gratified? must they have gratified?
Perfecto con V-ing
must I have been gratifying? must you have been gratifying? must she have been gratifying? must we have been gratifying? must you have been gratifying? must they have been gratifying?
Forma interro-negativa
Forma simple
mustn't I gratify? mustn't you gratify? mustn't she gratify? mustn't we gratify? mustn't you gratify? mustn't they gratify?
Forma con V-ing
mustn't I be gratifying? mustn't you be gratifying? mustn't she be gratifying? mustn't we be gratifying? mustn't you be gratifying? mustn't they be gratifying?
Perfecto
mustn't I have gratified? mustn't you have gratified? mustn't she have gratified? mustn't we have gratified? mustn't you have gratified? mustn't they have gratified?
Perfecto con V-ing
mustn't I have been gratifying? mustn't you have been gratifying? mustn't she have been gratifying? mustn't we have been gratifying? mustn't you have been gratifying? mustn't they have been gratifying?