must despair
Regular verb: despair - despaired- despaired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must despair
you must despair
she must despair
we must despair
you must despair
they must despair 	I must be despairing
you must be despairing
she must be despairing
we must be despairing
you must be despairing
they must be despairing	I must have despaired
you must have despaired
she must have despaired
we must have despaired
you must have despaired
they must have despaired	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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not despair
you must not despair
she must not despair
we must not despair
you must not despair
they must not despair 	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	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	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	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I despair?
must you despair?
must she despair?
must we despair?
must you despair?
must they despair? 	must I be despairing?
must you be despairing?
must she be despairing?
must we be despairing?
must you be despairing?
must they be despairing? 	must I have despaired?
must you have despaired?
must she have despaired?
must we have despaired?
must you have despaired?
must they have despaired? 	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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not despair?
must you not despair?
must she not despair?
must we not despair?
must you not despair?
must they not despair? 	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? 	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? 	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?