I could overload you could overload he could overload we could overload you could overload they could overload
V-ing form
I could be overloading you could be overloading he could be overloading we could be overloading you could be overloading they could be overloading
Perfect
I could have overloaded you could have overloaded he could have overloaded we could have overloaded you could have overloaded they could have overloaded
V-ing perfect
I could have been overloading you could have been overloading he could have been overloading we could have been overloading you could have been overloading they could have been overloading
Negation
Simple form
I could not overload you could not overload he could not overload we could not overload you could not overload they could not overload
V-ing form
I could not be overloading you could not be overloading he could not be overloading we could not be overloading you could not be overloading they could not be overloading
Perfect
I could not have overloaded you could not have overloaded he could not have overloaded we could not have overloaded you could not have overloaded they could not have overloaded
V-ing perfect
I could not have been overloading you could not have been overloading he could not have been overloading we could not have been overloading you could not have been overloading they could not have been overloading
Interrogative form
Simple form
could I overload? could you overload? could he overload? could we overload? could you overload? could they overload?
V-ing form
could I be overloading? could you be overloading? could he be overloading? could we be overloading? could you be overloading? could they be overloading?
Perfect
could I have overloaded? could you have overloaded? could he have overloaded? could we have overloaded? could you have overloaded? could they have overloaded?
V-ing perfect
could I have been overloading? could you have been overloading? could he have been overloading? could we have been overloading? could you have been overloading? could they have been overloading?
Interro-negative form
Simple form
could I not overload? could you not overload? could he not overload? could we not overload? could you not overload? could they not overload?
V-ing form
could I not be overloading? could you not be overloading? could he not be overloading? could we not be overloading? could you not be overloading? could they not be overloading?
Perfect
could I not have overloaded? could you not have overloaded? could he not have overloaded? could we not have overloaded? could you not have overloaded? could they not have overloaded?
V-ing perfect
could I not have been overloading? could you not have been overloading? could he not have been overloading? could we not have been overloading? could you not have been overloading? could they not have been overloading?