I can mock you can mock he can mock we can mock you can mock they can mock
V-ing form
I can be mocking you can be mocking he can be mocking we can be mocking you can be mocking they can be mocking
Perfect
I can have mocked you can have mocked he can have mocked we can have mocked you can have mocked they can have mocked
V-ing perfect
I can have been mocking you can have been mocking he can have been mocking we can have been mocking you can have been mocking they can have been mocking
Negation
Simple form
I can't mock you can't mock he can't mock we can't mock you can't mock they can't mock
V-ing form
I can't be mocking you can't be mocking he can't be mocking we can't be mocking you can't be mocking they can't be mocking
Perfect
I can't have mocked you can't have mocked he can't have mocked we can't have mocked you can't have mocked they can't have mocked
V-ing perfect
I can't have been mocking you can't have been mocking he can't have been mocking we can't have been mocking you can't have been mocking they can't have been mocking
Interrogative form
Simple form
can I mock? can you mock? can he mock? can we mock? can you mock? can they mock?
V-ing form
can I be mocking? can you be mocking? can he be mocking? can we be mocking? can you be mocking? can they be mocking?
Perfect
can I have mocked? can you have mocked? can he have mocked? can we have mocked? can you have mocked? can they have mocked?
V-ing perfect
can I have been mocking? can you have been mocking? can he have been mocking? can we have been mocking? can you have been mocking? can they have been mocking?
Interro-negative form
Simple form
can't I mock? can't you mock? can't he mock? can't we mock? can't you mock? can't they mock?
V-ing form
can't I be mocking? can't you be mocking? can't he be mocking? can't we be mocking? can't you be mocking? can't they be mocking?
Perfect
can't I have mocked? can't you have mocked? can't he have mocked? can't we have mocked? can't you have mocked? can't they have mocked?
V-ing perfect
can't I have been mocking? can't you have been mocking? can't he have been mocking? can't we have been mocking? can't you have been mocking? can't they have been mocking?