could partition
Regular verb: partition - partitioned- partitioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could partition
you could partition
he could partition
we could partition
you could partition
they could partition 	I could be partitioning
you could be partitioning
he could be partitioning
we could be partitioning
you could be partitioning
they could be partitioning	I could have partitioned
you could have partitioned
he could have partitioned
we could have partitioned
you could have partitioned
they could have partitioned	I could have been partitioning
you could have been partitioning
he could have been partitioning
we could have been partitioning
you could have been partitioning
they could have been partitioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not partition
you could not partition
he could not partition
we could not partition
you could not partition
they could not partition 	I could not be partitioning
you could not be partitioning
he could not be partitioning
we could not be partitioning
you could not be partitioning
they could not be partitioning	I could not have partitioned
you could not have partitioned
he could not have partitioned
we could not have partitioned
you could not have partitioned
they could not have partitioned	I could not have been partitioning
you could not have been partitioning
he could not have been partitioning
we could not have been partitioning
you could not have been partitioning
they could not have been partitioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I partition?
could you partition?
could he partition?
could we partition?
could you partition?
could they partition? 	could I be partitioning?
could you be partitioning?
could he be partitioning?
could we be partitioning?
could you be partitioning?
could they be partitioning? 	could I have partitioned?
could you have partitioned?
could he have partitioned?
could we have partitioned?
could you have partitioned?
could they have partitioned? 	could I have been partitioning?
could you have been partitioning?
could he have been partitioning?
could we have been partitioning?
could you have been partitioning?
could they have been partitioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not partition?
could you not partition?
could he not partition?
could we not partition?
could you not partition?
could they not partition? 	could I not be partitioning?
could you not be partitioning?
could he not be partitioning?
could we not be partitioning?
could you not be partitioning?
could they not be partitioning? 	could I not have partitioned?
could you not have partitioned?
could he not have partitioned?
could we not have partitioned?
could you not have partitioned?
could they not have partitioned? 	could I not have been partitioning?
could you not have been partitioning?
could he not have been partitioning?
could we not have been partitioning?
could you not have been partitioning?
could they not have been partitioning?