I must despair you must despair she must despair we must despair you must despair they must despair
Forme en V-ing
I must be despairing you must be despairing she must be despairing we must be despairing you must be despairing they must be despairing
Perfect
I must have despaired you must have despaired she must have despaired we must have despaired you must have despaired they must have despaired
Perfect en V-ing
I must have been despairing you must have been despairing she must have been despairing we must have been despairing you must have been despairing they must have been despairing
Négation
Forme simple
I must not despair you must not despair she must not despair we must not despair you must not despair they must not despair
Forme en V-ing
I must not be despairing you must not be despairing she must not be despairing we must not be despairing you must not be despairing they must not be despairing
Perfect
I must not have despaired you must not have despaired she must not have despaired we must not have despaired you must not have despaired they must not have despaired
Perfect en V-ing
I must not have been despairing you must not have been despairing she must not have been despairing we must not have been despairing you must not have been despairing they must not have been despairing
Forme interrogative
Forme simple
must I despair? must you despair? must she despair? must we despair? must you despair? must they despair?
Forme en V-ing
must I be despairing? must you be despairing? must she be despairing? must we be despairing? must you be despairing? must they be despairing?
Perfect
must I have despaired? must you have despaired? must she have despaired? must we have despaired? must you have despaired? must they have despaired?
Perfect en V-ing
must I have been despairing? must you have been despairing? must she have been despairing? must we have been despairing? must you have been despairing? must they have been despairing?
Forme interro-négative
Forme simple
must I not despair? must you not despair? must she not despair? must we not despair? must you not despair? must they not despair?
Forme en V-ing
must I not be despairing? must you not be despairing? must she not be despairing? must we not be despairing? must you not be despairing? must they not be despairing?
Perfect
must I not have despaired? must you not have despaired? must she not have despaired? must we not have despaired? must you not have despaired? must they not have despaired?
Perfect en V-ing
must I not have been despairing? must you not have been despairing? must she not have been despairing? must we not have been despairing? must you not have been despairing? must they not have been despairing?