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