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