must give
Irregular verb: give - gave- given

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must give
you must give
he must give
we must give
you must give
they must give 	I must be giving
you must be giving
he must be giving
we must be giving
you must be giving
they must be giving	I must have given
you must have given
he must have given
we must have given
you must have given
they must have given	I must have been giving
you must have been giving
he must have been giving
we must have been giving
you must have been giving
they must have been giving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't give
you mustn't give
he mustn't give
we mustn't give
you mustn't give
they mustn't give 	I mustn't be giving
you mustn't be giving
he mustn't be giving
we mustn't be giving
you mustn't be giving
they mustn't be giving	I mustn't have given
you mustn't have given
he mustn't have given
we mustn't have given
you mustn't have given
they mustn't have given	I mustn't have been giving
you mustn't have been giving
he mustn't have been giving
we mustn't have been giving
you mustn't have been giving
they mustn't have been giving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I give?
must you give?
must he give?
must we give?
must you give?
must they give? 	must I be giving?
must you be giving?
must he be giving?
must we be giving?
must you be giving?
must they be giving? 	must I have given?
must you have given?
must he have given?
must we have given?
must you have given?
must they have given? 	must I have been giving?
must you have been giving?
must he have been giving?
must we have been giving?
must you have been giving?
must they have been giving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I give?
mustn't you give?
mustn't he give?
mustn't we give?
mustn't you give?
mustn't they give? 	mustn't I be giving?
mustn't you be giving?
mustn't he be giving?
mustn't we be giving?
mustn't you be giving?
mustn't they be giving? 	mustn't I have given?
mustn't you have given?
mustn't he have given?
mustn't we have given?
mustn't you have given?
mustn't they have given? 	mustn't I have been giving?
mustn't you have been giving?
mustn't he have been giving?
mustn't we have been giving?
mustn't you have been giving?
mustn't they have been giving?