must collate
Regular verb: collate - collated- collated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must collate
you must collate
she must collate
we must collate
you must collate
they must collate 	I must be collating
you must be collating
she must be collating
we must be collating
you must be collating
they must be collating	I must have collated
you must have collated
she must have collated
we must have collated
you must have collated
they must have collated	I must have been collating
you must have been collating
she must have been collating
we must have been collating
you must have been collating
they must have been collating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't collate
you mustn't collate
she mustn't collate
we mustn't collate
you mustn't collate
they mustn't collate 	I mustn't be collating
you mustn't be collating
she mustn't be collating
we mustn't be collating
you mustn't be collating
they mustn't be collating	I mustn't have collated
you mustn't have collated
she mustn't have collated
we mustn't have collated
you mustn't have collated
they mustn't have collated	I mustn't have been collating
you mustn't have been collating
she mustn't have been collating
we mustn't have been collating
you mustn't have been collating
they mustn't have been collating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I collate?
must you collate?
must she collate?
must we collate?
must you collate?
must they collate? 	must I be collating?
must you be collating?
must she be collating?
must we be collating?
must you be collating?
must they be collating? 	must I have collated?
must you have collated?
must she have collated?
must we have collated?
must you have collated?
must they have collated? 	must I have been collating?
must you have been collating?
must she have been collating?
must we have been collating?
must you have been collating?
must they have been collating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I collate?
mustn't you collate?
mustn't she collate?
mustn't we collate?
mustn't you collate?
mustn't they collate? 	mustn't I be collating?
mustn't you be collating?
mustn't she be collating?
mustn't we be collating?
mustn't you be collating?
mustn't they be collating? 	mustn't I have collated?
mustn't you have collated?
mustn't she have collated?
mustn't we have collated?
mustn't you have collated?
mustn't they have collated? 	mustn't I have been collating?
mustn't you have been collating?
mustn't she have been collating?
mustn't we have been collating?
mustn't you have been collating?
mustn't they have been collating?