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 cannot mock you cannot mock he cannot mock we cannot mock you cannot mock they cannot mock
V-ing form
I cannot be mocking you cannot be mocking he cannot be mocking we cannot be mocking you cannot be mocking they cannot be mocking
Perfect
I cannot have mocked you cannot have mocked he cannot have mocked we cannot have mocked you cannot have mocked they cannot have mocked
V-ing perfect
I cannot have been mocking you cannot have been mocking he cannot have been mocking we cannot have been mocking you cannot have been mocking they cannot 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 I not mock? can you not mock? can he not mock? can we not mock? can you not mock? can they not mock?
V-ing form
can I not be mocking? can you not be mocking? can he not be mocking? can we not be mocking? can you not be mocking? can they not be mocking?
Perfect
can I not have mocked? can you not have mocked? can he not have mocked? can we not have mocked? can you not have mocked? can they not have mocked?
V-ing perfect
can I not have been mocking? can you not have been mocking? can he not have been mocking? can we not have been mocking? can you not have been mocking? can they not have been mocking?