must surrender
Regular verb: surrender - surrendered- surrendered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must surrender
you must surrender
she must surrender
we must surrender
you must surrender
they must surrender 	I must be surrendering
you must be surrendering
she must be surrendering
we must be surrendering
you must be surrendering
they must be surrendering	I must have surrendered
you must have surrendered
she must have surrendered
we must have surrendered
you must have surrendered
they must have surrendered	I must have been surrendering
you must have been surrendering
she must have been surrendering
we must have been surrendering
you must have been surrendering
they must have been surrendering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't surrender
you mustn't surrender
she mustn't surrender
we mustn't surrender
you mustn't surrender
they mustn't surrender 	I mustn't be surrendering
you mustn't be surrendering
she mustn't be surrendering
we mustn't be surrendering
you mustn't be surrendering
they mustn't be surrendering	I mustn't have surrendered
you mustn't have surrendered
she mustn't have surrendered
we mustn't have surrendered
you mustn't have surrendered
they mustn't have surrendered	I mustn't have been surrendering
you mustn't have been surrendering
she mustn't have been surrendering
we mustn't have been surrendering
you mustn't have been surrendering
they mustn't have been surrendering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I surrender?
must you surrender?
must she surrender?
must we surrender?
must you surrender?
must they surrender? 	must I be surrendering?
must you be surrendering?
must she be surrendering?
must we be surrendering?
must you be surrendering?
must they be surrendering? 	must I have surrendered?
must you have surrendered?
must she have surrendered?
must we have surrendered?
must you have surrendered?
must they have surrendered? 	must I have been surrendering?
must you have been surrendering?
must she have been surrendering?
must we have been surrendering?
must you have been surrendering?
must they have been surrendering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I surrender?
mustn't you surrender?
mustn't she surrender?
mustn't we surrender?
mustn't you surrender?
mustn't they surrender? 	mustn't I be surrendering?
mustn't you be surrendering?
mustn't she be surrendering?
mustn't we be surrendering?
mustn't you be surrendering?
mustn't they be surrendering? 	mustn't I have surrendered?
mustn't you have surrendered?
mustn't she have surrendered?
mustn't we have surrendered?
mustn't you have surrendered?
mustn't they have surrendered? 	mustn't I have been surrendering?
mustn't you have been surrendering?
mustn't she have been surrendering?
mustn't we have been surrendering?
mustn't you have been surrendering?
mustn't they have been surrendering?