must assimilate
Regular verb: assimilate - assimilated- assimilated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must assimilate
you must assimilate
she must assimilate
we must assimilate
you must assimilate
they must assimilate 	I must be assimilating
you must be assimilating
she must be assimilating
we must be assimilating
you must be assimilating
they must be assimilating	I must have assimilated
you must have assimilated
she must have assimilated
we must have assimilated
you must have assimilated
they must have assimilated	I must have been assimilating
you must have been assimilating
she must have been assimilating
we must have been assimilating
you must have been assimilating
they must have been assimilating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not assimilate
you must not assimilate
she must not assimilate
we must not assimilate
you must not assimilate
they must not assimilate 	I must not be assimilating
you must not be assimilating
she must not be assimilating
we must not be assimilating
you must not be assimilating
they must not be assimilating	I must not have assimilated
you must not have assimilated
she must not have assimilated
we must not have assimilated
you must not have assimilated
they must not have assimilated	I must not have been assimilating
you must not have been assimilating
she must not have been assimilating
we must not have been assimilating
you must not have been assimilating
they must not have been assimilating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I assimilate?
must you assimilate?
must she assimilate?
must we assimilate?
must you assimilate?
must they assimilate? 	must I be assimilating?
must you be assimilating?
must she be assimilating?
must we be assimilating?
must you be assimilating?
must they be assimilating? 	must I have assimilated?
must you have assimilated?
must she have assimilated?
must we have assimilated?
must you have assimilated?
must they have assimilated? 	must I have been assimilating?
must you have been assimilating?
must she have been assimilating?
must we have been assimilating?
must you have been assimilating?
must they have been assimilating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not assimilate?
must you not assimilate?
must she not assimilate?
must we not assimilate?
must you not assimilate?
must they not assimilate? 	must I not be assimilating?
must you not be assimilating?
must she not be assimilating?
must we not be assimilating?
must you not be assimilating?
must they not be assimilating? 	must I not have assimilated?
must you not have assimilated?
must she not have assimilated?
must we not have assimilated?
must you not have assimilated?
must they not have assimilated? 	must I not have been assimilating?
must you not have been assimilating?
must she not have been assimilating?
must we not have been assimilating?
must you not have been assimilating?
must they not have been assimilating?