I could backload you could backload she could backload we could backload you could backload they could backload
V-ing form
I could be backloading you could be backloading she could be backloading we could be backloading you could be backloading they could be backloading
Perfect
I could have backloaded you could have backloaded she could have backloaded we could have backloaded you could have backloaded they could have backloaded
V-ing perfect
I could have been backloading you could have been backloading she could have been backloading we could have been backloading you could have been backloading they could have been backloading
Negation
Simple form
I could not backload you could not backload she could not backload we could not backload you could not backload they could not backload
V-ing form
I could not be backloading you could not be backloading she could not be backloading we could not be backloading you could not be backloading they could not be backloading
Perfect
I could not have backloaded you could not have backloaded she could not have backloaded we could not have backloaded you could not have backloaded they could not have backloaded
V-ing perfect
I could not have been backloading you could not have been backloading she could not have been backloading we could not have been backloading you could not have been backloading they could not have been backloading
Interrogative form
Simple form
could I backload? could you backload? could she backload? could we backload? could you backload? could they backload?
V-ing form
could I be backloading? could you be backloading? could she be backloading? could we be backloading? could you be backloading? could they be backloading?
Perfect
could I have backloaded? could you have backloaded? could she have backloaded? could we have backloaded? could you have backloaded? could they have backloaded?
V-ing perfect
could I have been backloading? could you have been backloading? could she have been backloading? could we have been backloading? could you have been backloading? could they have been backloading?
Interro-negative form
Simple form
could I not backload? could you not backload? could she not backload? could we not backload? could you not backload? could they not backload?
V-ing form
could I not be backloading? could you not be backloading? could she not be backloading? could we not be backloading? could you not be backloading? could they not be backloading?
Perfect
could I not have backloaded? could you not have backloaded? could she not have backloaded? could we not have backloaded? could you not have backloaded? could they not have backloaded?
V-ing perfect
could I not have been backloading? could you not have been backloading? could she not have been backloading? could we not have been backloading? could you not have been backloading? could they not have been backloading?