I must thank you must thank he must thank we must thank you must thank they must thank
Forma con V-ing
I must be thanking you must be thanking he must be thanking we must be thanking you must be thanking they must be thanking
Perfecto
I must have thanked you must have thanked he must have thanked we must have thanked you must have thanked they must have thanked
Perfecto con V-ing
I must have been thanking you must have been thanking he must have been thanking we must have been thanking you must have been thanking they must have been thanking
Negación
Forma simple
I mustn't thank you mustn't thank he mustn't thank we mustn't thank you mustn't thank they mustn't thank
Forma con V-ing
I mustn't be thanking you mustn't be thanking he mustn't be thanking we mustn't be thanking you mustn't be thanking they mustn't be thanking
Perfecto
I mustn't have thanked you mustn't have thanked he mustn't have thanked we mustn't have thanked you mustn't have thanked they mustn't have thanked
Perfecto con V-ing
I mustn't have been thanking you mustn't have been thanking he mustn't have been thanking we mustn't have been thanking you mustn't have been thanking they mustn't have been thanking
Forma interrogativa
Forma simple
must I thank? must you thank? must he thank? must we thank? must you thank? must they thank?
Forma con V-ing
must I be thanking? must you be thanking? must he be thanking? must we be thanking? must you be thanking? must they be thanking?
Perfecto
must I have thanked? must you have thanked? must he have thanked? must we have thanked? must you have thanked? must they have thanked?
Perfecto con V-ing
must I have been thanking? must you have been thanking? must he have been thanking? must we have been thanking? must you have been thanking? must they have been thanking?
Forma interro-negativa
Forma simple
mustn't I thank? mustn't you thank? mustn't he thank? mustn't we thank? mustn't you thank? mustn't they thank?
Forma con V-ing
mustn't I be thanking? mustn't you be thanking? mustn't he be thanking? mustn't we be thanking? mustn't you be thanking? mustn't they be thanking?
Perfecto
mustn't I have thanked? mustn't you have thanked? mustn't he have thanked? mustn't we have thanked? mustn't you have thanked? mustn't they have thanked?
Perfecto con V-ing
mustn't I have been thanking? mustn't you have been thanking? mustn't he have been thanking? mustn't we have been thanking? mustn't you have been thanking? mustn't they have been thanking?