could assimilate
Regular verb: assimilate - assimilated- assimilated

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

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

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

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