must interlineate
Regular verb: interlineate - interlineated- interlineated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must interlineate
you must interlineate
she must interlineate
we must interlineate
you must interlineate
they must interlineate 	I must be interlineating
you must be interlineating
she must be interlineating
we must be interlineating
you must be interlineating
they must be interlineating	I must have interlineated
you must have interlineated
she must have interlineated
we must have interlineated
you must have interlineated
they must have interlineated	I must have been interlineating
you must have been interlineating
she must have been interlineating
we must have been interlineating
you must have been interlineating
they must have been interlineating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not interlineate
you must not interlineate
she must not interlineate
we must not interlineate
you must not interlineate
they must not interlineate 	I must not be interlineating
you must not be interlineating
she must not be interlineating
we must not be interlineating
you must not be interlineating
they must not be interlineating	I must not have interlineated
you must not have interlineated
she must not have interlineated
we must not have interlineated
you must not have interlineated
they must not have interlineated	I must not have been interlineating
you must not have been interlineating
she must not have been interlineating
we must not have been interlineating
you must not have been interlineating
they must not have been interlineating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I interlineate?
must you interlineate?
must she interlineate?
must we interlineate?
must you interlineate?
must they interlineate? 	must I be interlineating?
must you be interlineating?
must she be interlineating?
must we be interlineating?
must you be interlineating?
must they be interlineating? 	must I have interlineated?
must you have interlineated?
must she have interlineated?
must we have interlineated?
must you have interlineated?
must they have interlineated? 	must I have been interlineating?
must you have been interlineating?
must she have been interlineating?
must we have been interlineating?
must you have been interlineating?
must they have been interlineating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not interlineate?
must you not interlineate?
must she not interlineate?
must we not interlineate?
must you not interlineate?
must they not interlineate? 	must I not be interlineating?
must you not be interlineating?
must she not be interlineating?
must we not be interlineating?
must you not be interlineating?
must they not be interlineating? 	must I not have interlineated?
must you not have interlineated?
must she not have interlineated?
must we not have interlineated?
must you not have interlineated?
must they not have interlineated? 	must I not have been interlineating?
must you not have been interlineating?
must she not have been interlineating?
must we not have been interlineating?
must you not have been interlineating?
must they not have been interlineating?