Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must despair despair you must despair despair she must despair despair we must despair despair you must despair despair they must despair despair
V-ing form
I must be despair despairing you must be despair despairing she must be despair despairing we must be despair despairing you must be despair despairing they must be despair despairing
Perfect
I must have despair despaired you must have despair despaired she must have despair despaired we must have despair despaired you must have despair despaired they must have despair despaired
V-ing perfect
I must have been despair despairing you must have been despair despairing she must have been despair despairing we must have been despair despairing you must have been despair despairing they must have been despair despairing
Negation
Simple form
I mustn't despair despair you mustn't despair despair she mustn't despair despair we mustn't despair despair you mustn't despair despair they mustn't despair despair
V-ing form
I mustn't be despair despairing you mustn't be despair despairing she mustn't be despair despairing we mustn't be despair despairing you mustn't be despair despairing they mustn't be despair despairing
Perfect
I mustn't have despair despaired you mustn't have despair despaired she mustn't have despair despaired we mustn't have despair despaired you mustn't have despair despaired they mustn't have despair despaired
V-ing perfect
I mustn't have been despair despairing you mustn't have been despair despairing she mustn't have been despair despairing we mustn't have been despair despairing you mustn't have been despair despairing they mustn't have been despair despairing
Interrogative form
Simple form
must I despair despair? must you despair despair? must she despair despair? must we despair despair? must you despair despair? must they despair despair?
V-ing form
must I be despair despairing? must you be despair despairing? must she be despair despairing? must we be despair despairing? must you be despair despairing? must they be despair despairing?
Perfect
must I have despair despaired? must you have despair despaired? must she have despair despaired? must we have despair despaired? must you have despair despaired? must they have despair despaired?
V-ing perfect
must I have been despair despairing? must you have been despair despairing? must she have been despair despairing? must we have been despair despairing? must you have been despair despairing? must they have been despair despairing?
Interro-negative form
Simple form
mustn't I despair despair? mustn't you despair despair? mustn't she despair despair? mustn't we despair despair? mustn't you despair despair? mustn't they despair despair?
V-ing form
mustn't I be despair despairing? mustn't you be despair despairing? mustn't she be despair despairing? mustn't we be despair despairing? mustn't you be despair despairing? mustn't they be despair despairing?
Perfect
mustn't I have despair despaired? mustn't you have despair despaired? mustn't she have despair despaired? mustn't we have despair despaired? mustn't you have despair despaired? mustn't they have despair despaired?
V-ing perfect
mustn't I have been despair despairing? mustn't you have been despair despairing? mustn't she have been despair despairing? mustn't we have been despair despairing? mustn't you have been despair despairing? mustn't they have been despair despairing?