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 can't load you can't load he can't load we can't load you can't load they can't load
V-ing form
I can't be loading you can't be loading he can't be loading we can't be loading you can't be loading they can't be loading
Perfect
I can't have loaded you can't have loaded he can't have loaded we can't have loaded you can't have loaded they can't have loaded
V-ing perfect
I can't have been loading you can't have been loading he can't have been loading we can't have been loading you can't have been loading they can't 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't I load? can't you load? can't he load? can't we load? can't you load? can't they load?
V-ing form
can't I be loading? can't you be loading? can't he be loading? can't we be loading? can't you be loading? can't they be loading?
Perfect
can't I have loaded? can't you have loaded? can't he have loaded? can't we have loaded? can't you have loaded? can't they have loaded?
V-ing perfect
can't I have been loading? can't you have been loading? can't he have been loading? can't we have been loading? can't you have been loading? can't they have been loading?