must rebate
Regular verb: rebate - rebated- rebated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must rebate
you must rebate
she must rebate
we must rebate
you must rebate
they must rebate 	I must be rebating
you must be rebating
she must be rebating
we must be rebating
you must be rebating
they must be rebating	I must have rebated
you must have rebated
she must have rebated
we must have rebated
you must have rebated
they must have rebated	I must have been rebating
you must have been rebating
she must have been rebating
we must have been rebating
you must have been rebating
they must have been rebating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't rebate
you mustn't rebate
she mustn't rebate
we mustn't rebate
you mustn't rebate
they mustn't rebate 	I mustn't be rebating
you mustn't be rebating
she mustn't be rebating
we mustn't be rebating
you mustn't be rebating
they mustn't be rebating	I mustn't have rebated
you mustn't have rebated
she mustn't have rebated
we mustn't have rebated
you mustn't have rebated
they mustn't have rebated	I mustn't have been rebating
you mustn't have been rebating
she mustn't have been rebating
we mustn't have been rebating
you mustn't have been rebating
they mustn't have been rebating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I rebate?
must you rebate?
must she rebate?
must we rebate?
must you rebate?
must they rebate? 	must I be rebating?
must you be rebating?
must she be rebating?
must we be rebating?
must you be rebating?
must they be rebating? 	must I have rebated?
must you have rebated?
must she have rebated?
must we have rebated?
must you have rebated?
must they have rebated? 	must I have been rebating?
must you have been rebating?
must she have been rebating?
must we have been rebating?
must you have been rebating?
must they have been rebating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I rebate?
mustn't you rebate?
mustn't she rebate?
mustn't we rebate?
mustn't you rebate?
mustn't they rebate? 	mustn't I be rebating?
mustn't you be rebating?
mustn't she be rebating?
mustn't we be rebating?
mustn't you be rebating?
mustn't they be rebating? 	mustn't I have rebated?
mustn't you have rebated?
mustn't she have rebated?
mustn't we have rebated?
mustn't you have rebated?
mustn't they have rebated? 	mustn't I have been rebating?
mustn't you have been rebating?
mustn't she have been rebating?
mustn't we have been rebating?
mustn't you have been rebating?
mustn't they have been rebating?