must bargain
Regular verb: bargain - bargained- bargained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must bargain
you must bargain
she must bargain
we must bargain
you must bargain
they must bargain 	I must be bargaining
you must be bargaining
she must be bargaining
we must be bargaining
you must be bargaining
they must be bargaining	I must have bargained
you must have bargained
she must have bargained
we must have bargained
you must have bargained
they must have bargained	I must have been bargaining
you must have been bargaining
she must have been bargaining
we must have been bargaining
you must have been bargaining
they must have been bargaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't bargain
you mustn't bargain
she mustn't bargain
we mustn't bargain
you mustn't bargain
they mustn't bargain 	I mustn't be bargaining
you mustn't be bargaining
she mustn't be bargaining
we mustn't be bargaining
you mustn't be bargaining
they mustn't be bargaining	I mustn't have bargained
you mustn't have bargained
she mustn't have bargained
we mustn't have bargained
you mustn't have bargained
they mustn't have bargained	I mustn't have been bargaining
you mustn't have been bargaining
she mustn't have been bargaining
we mustn't have been bargaining
you mustn't have been bargaining
they mustn't have been bargaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I bargain?
must you bargain?
must she bargain?
must we bargain?
must you bargain?
must they bargain? 	must I be bargaining?
must you be bargaining?
must she be bargaining?
must we be bargaining?
must you be bargaining?
must they be bargaining? 	must I have bargained?
must you have bargained?
must she have bargained?
must we have bargained?
must you have bargained?
must they have bargained? 	must I have been bargaining?
must you have been bargaining?
must she have been bargaining?
must we have been bargaining?
must you have been bargaining?
must they have been bargaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I bargain?
mustn't you bargain?
mustn't she bargain?
mustn't we bargain?
mustn't you bargain?
mustn't they bargain? 	mustn't I be bargaining?
mustn't you be bargaining?
mustn't she be bargaining?
mustn't we be bargaining?
mustn't you be bargaining?
mustn't they be bargaining? 	mustn't I have bargained?
mustn't you have bargained?
mustn't she have bargained?
mustn't we have bargained?
mustn't you have bargained?
mustn't they have bargained? 	mustn't I have been bargaining?
mustn't you have been bargaining?
mustn't she have been bargaining?
mustn't we have been bargaining?
mustn't you have been bargaining?
mustn't they have been bargaining?