I could offload you could offload she could offload we could offload you could offload they could offload
V-ing form
I could be offloading you could be offloading she could be offloading we could be offloading you could be offloading they could be offloading
Perfect
I could have offloaded you could have offloaded she could have offloaded we could have offloaded you could have offloaded they could have offloaded
V-ing perfect
I could have been offloading you could have been offloading she could have been offloading we could have been offloading you could have been offloading they could have been offloading
Negation
Simple form
I could not offload you could not offload she could not offload we could not offload you could not offload they could not offload
V-ing form
I could not be offloading you could not be offloading she could not be offloading we could not be offloading you could not be offloading they could not be offloading
Perfect
I could not have offloaded you could not have offloaded she could not have offloaded we could not have offloaded you could not have offloaded they could not have offloaded
V-ing perfect
I could not have been offloading you could not have been offloading she could not have been offloading we could not have been offloading you could not have been offloading they could not have been offloading
Interrogative form
Simple form
could I offload? could you offload? could she offload? could we offload? could you offload? could they offload?
V-ing form
could I be offloading? could you be offloading? could she be offloading? could we be offloading? could you be offloading? could they be offloading?
Perfect
could I have offloaded? could you have offloaded? could she have offloaded? could we have offloaded? could you have offloaded? could they have offloaded?
V-ing perfect
could I have been offloading? could you have been offloading? could she have been offloading? could we have been offloading? could you have been offloading? could they have been offloading?
Interro-negative form
Simple form
could I not offload? could you not offload? could she not offload? could we not offload? could you not offload? could they not offload?
V-ing form
could I not be offloading? could you not be offloading? could she not be offloading? could we not be offloading? could you not be offloading? could they not be offloading?
Perfect
could I not have offloaded? could you not have offloaded? could she not have offloaded? could we not have offloaded? could you not have offloaded? could they not have offloaded?
V-ing perfect
could I not have been offloading? could you not have been offloading? could she not have been offloading? could we not have been offloading? could you not have been offloading? could they not have been offloading?