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 must not rebate
you must not rebate
she must not rebate
we must not rebate
you must not rebate
they must not rebate 	I must not be rebating
you must not be rebating
she must not be rebating
we must not be rebating
you must not be rebating
they must not be rebating	I must not have rebated
you must not have rebated
she must not have rebated
we must not have rebated
you must not have rebated
they must not have rebated	I must not have been rebating
you must not have been rebating
she must not have been rebating
we must not have been rebating
you must not have been rebating
they must not 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 	
must I not rebate?
must you not rebate?
must she not rebate?
must we not rebate?
must you not rebate?
must they not rebate? 	must I not be rebating?
must you not be rebating?
must she not be rebating?
must we not be rebating?
must you not be rebating?
must they not be rebating? 	must I not have rebated?
must you not have rebated?
must she not have rebated?
must we not have rebated?
must you not have rebated?
must they not have rebated? 	must I not have been rebating?
must you not have been rebating?
must she not have been rebating?
must we not have been rebating?
must you not have been rebating?
must they not have been rebating?