I could batch you could batch she could batch we could batch you could batch they could batch
V-ing form
I could be batching you could be batching she could be batching we could be batching you could be batching they could be batching
Perfect
I could have batched you could have batched she could have batched we could have batched you could have batched they could have batched
V-ing perfect
I could have been batching you could have been batching she could have been batching we could have been batching you could have been batching they could have been batching
Negation
Simple form
I could not batch you could not batch she could not batch we could not batch you could not batch they could not batch
V-ing form
I could not be batching you could not be batching she could not be batching we could not be batching you could not be batching they could not be batching
Perfect
I could not have batched you could not have batched she could not have batched we could not have batched you could not have batched they could not have batched
V-ing perfect
I could not have been batching you could not have been batching she could not have been batching we could not have been batching you could not have been batching they could not have been batching
Interrogative form
Simple form
could I batch? could you batch? could she batch? could we batch? could you batch? could they batch?
V-ing form
could I be batching? could you be batching? could she be batching? could we be batching? could you be batching? could they be batching?
Perfect
could I have batched? could you have batched? could she have batched? could we have batched? could you have batched? could they have batched?
V-ing perfect
could I have been batching? could you have been batching? could she have been batching? could we have been batching? could you have been batching? could they have been batching?
Interro-negative form
Simple form
could I not batch? could you not batch? could she not batch? could we not batch? could you not batch? could they not batch?
V-ing form
could I not be batching? could you not be batching? could she not be batching? could we not be batching? could you not be batching? could they not be batching?
Perfect
could I not have batched? could you not have batched? could she not have batched? could we not have batched? could you not have batched? could they not have batched?
V-ing perfect
could I not have been batching? could you not have been batching? could she not have been batching? could we not have been batching? could you not have been batching? could they not have been batching?