I must waste you must waste he must waste we must waste you must waste they must waste
Forme en V-ing
I must be wasting you must be wasting he must be wasting we must be wasting you must be wasting they must be wasting
Perfect
I must have wasted you must have wasted he must have wasted we must have wasted you must have wasted they must have wasted
Perfect en V-ing
I must have been wasting you must have been wasting he must have been wasting we must have been wasting you must have been wasting they must have been wasting
Négation
Forme simple
I mustn't waste you mustn't waste he mustn't waste we mustn't waste you mustn't waste they mustn't waste
Forme en V-ing
I mustn't be wasting you mustn't be wasting he mustn't be wasting we mustn't be wasting you mustn't be wasting they mustn't be wasting
Perfect
I mustn't have wasted you mustn't have wasted he mustn't have wasted we mustn't have wasted you mustn't have wasted they mustn't have wasted
Perfect en V-ing
I mustn't have been wasting you mustn't have been wasting he mustn't have been wasting we mustn't have been wasting you mustn't have been wasting they mustn't have been wasting
Forme interrogative
Forme simple
must I waste? must you waste? must he waste? must we waste? must you waste? must they waste?
Forme en V-ing
must I be wasting? must you be wasting? must he be wasting? must we be wasting? must you be wasting? must they be wasting?
Perfect
must I have wasted? must you have wasted? must he have wasted? must we have wasted? must you have wasted? must they have wasted?
Perfect en V-ing
must I have been wasting? must you have been wasting? must he have been wasting? must we have been wasting? must you have been wasting? must they have been wasting?
Forme interro-négative
Forme simple
mustn't I waste? mustn't you waste? mustn't he waste? mustn't we waste? mustn't you waste? mustn't they waste?
Forme en V-ing
mustn't I be wasting? mustn't you be wasting? mustn't he be wasting? mustn't we be wasting? mustn't you be wasting? mustn't they be wasting?
Perfect
mustn't I have wasted? mustn't you have wasted? mustn't he have wasted? mustn't we have wasted? mustn't you have wasted? mustn't they have wasted?
Perfect en V-ing
mustn't I have been wasting? mustn't you have been wasting? mustn't he have been wasting? mustn't we have been wasting? mustn't you have been wasting? mustn't they have been wasting?