must collimate
Regular verb: collimate - collimated- collimated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must collimate
you must collimate
she must collimate
we must collimate
you must collimate
they must collimate 	I must be collimating
you must be collimating
she must be collimating
we must be collimating
you must be collimating
they must be collimating	I must have collimated
you must have collimated
she must have collimated
we must have collimated
you must have collimated
they must have collimated	I must have been collimating
you must have been collimating
she must have been collimating
we must have been collimating
you must have been collimating
they must have been collimating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't collimate
you mustn't collimate
she mustn't collimate
we mustn't collimate
you mustn't collimate
they mustn't collimate 	I mustn't be collimating
you mustn't be collimating
she mustn't be collimating
we mustn't be collimating
you mustn't be collimating
they mustn't be collimating	I mustn't have collimated
you mustn't have collimated
she mustn't have collimated
we mustn't have collimated
you mustn't have collimated
they mustn't have collimated	I mustn't have been collimating
you mustn't have been collimating
she mustn't have been collimating
we mustn't have been collimating
you mustn't have been collimating
they mustn't have been collimating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I collimate?
must you collimate?
must she collimate?
must we collimate?
must you collimate?
must they collimate? 	must I be collimating?
must you be collimating?
must she be collimating?
must we be collimating?
must you be collimating?
must they be collimating? 	must I have collimated?
must you have collimated?
must she have collimated?
must we have collimated?
must you have collimated?
must they have collimated? 	must I have been collimating?
must you have been collimating?
must she have been collimating?
must we have been collimating?
must you have been collimating?
must they have been collimating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I collimate?
mustn't you collimate?
mustn't she collimate?
mustn't we collimate?
mustn't you collimate?
mustn't they collimate? 	mustn't I be collimating?
mustn't you be collimating?
mustn't she be collimating?
mustn't we be collimating?
mustn't you be collimating?
mustn't they be collimating? 	mustn't I have collimated?
mustn't you have collimated?
mustn't she have collimated?
mustn't we have collimated?
mustn't you have collimated?
mustn't they have collimated? 	mustn't I have been collimating?
mustn't you have been collimating?
mustn't she have been collimating?
mustn't we have been collimating?
mustn't you have been collimating?
mustn't they have been collimating?