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