I could load you could load he could load we could load you could load they could load
V-ing form
I could be loading you could be loading he could be loading we could be loading you could be loading they could be loading
Perfect
I could have loaded you could have loaded he could have loaded we could have loaded you could have loaded they could have loaded
V-ing perfect
I could have been loading you could have been loading he could have been loading we could have been loading you could have been loading they could have been loading
Negation
Simple form
I could not load you could not load he could not load we could not load you could not load they could not load
V-ing form
I could not be loading you could not be loading he could not be loading we could not be loading you could not be loading they could not be loading
Perfect
I could not have loaded you could not have loaded he could not have loaded we could not have loaded you could not have loaded they could not have loaded
V-ing perfect
I could not have been loading you could not have been loading he could not have been loading we could not have been loading you could not have been loading they could not have been loading
Interrogative form
Simple form
could I load? could you load? could he load? could we load? could you load? could they load?
V-ing form
could I be loading? could you be loading? could he be loading? could we be loading? could you be loading? could they be loading?
Perfect
could I have loaded? could you have loaded? could he have loaded? could we have loaded? could you have loaded? could they have loaded?
V-ing perfect
could I have been loading? could you have been loading? could he have been loading? could we have been loading? could you have been loading? could they have been loading?
Interro-negative form
Simple form
could I not load? could you not load? could he not load? could we not load? could you not load? could they not load?
V-ing form
could I not be loading? could you not be loading? could he not be loading? could we not be loading? could you not be loading? could they not be loading?
Perfect
could I not have loaded? could you not have loaded? could he not have loaded? could we not have loaded? could you not have loaded? could they not have loaded?
V-ing perfect
could I not have been loading? could you not have been loading? could he not have been loading? could we not have been loading? could you not have been loading? could they not have been loading?