I could offload you could offload he could offload we could offload you could offload they could offload
V-ing form
I could be offloading you could be offloading he could be offloading we could be offloading you could be offloading they could be offloading
Perfect
I could have offloaded you could have offloaded he 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 he 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 he 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 he 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 he 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 he 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 he offload? could we offload? could you offload? could they offload?
V-ing form
could I be offloading? could you be offloading? could he be offloading? could we be offloading? could you be offloading? could they be offloading?
Perfect
could I have offloaded? could you have offloaded? could he 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 he 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 he 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 he 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 he 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 he not have been offloading? could we not have been offloading? could you not have been offloading? could they not have been offloading?