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