Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could mock mock you could mock mock he could mock mock we could mock mock you could mock mock they could mock mock
V-ing form
I could be mock mocking you could be mock mocking he could be mock mocking we could be mock mocking you could be mock mocking they could be mock mocking
Perfect
I could have mock mocked you could have mock mocked he could have mock mocked we could have mock mocked you could have mock mocked they could have mock mocked
V-ing perfect
I could have been mock mocking you could have been mock mocking he could have been mock mocking we could have been mock mocking you could have been mock mocking they could have been mock mocking
Negation
Simple form
I could not mock mock you could not mock mock he could not mock mock we could not mock mock you could not mock mock they could not mock mock
V-ing form
I could not be mock mocking you could not be mock mocking he could not be mock mocking we could not be mock mocking you could not be mock mocking they could not be mock mocking
Perfect
I could not have mock mocked you could not have mock mocked he could not have mock mocked we could not have mock mocked you could not have mock mocked they could not have mock mocked
V-ing perfect
I could not have been mock mocking you could not have been mock mocking he could not have been mock mocking we could not have been mock mocking you could not have been mock mocking they could not have been mock mocking
Interrogative form
Simple form
could I mock mock? could you mock mock? could he mock mock? could we mock mock? could you mock mock? could they mock mock?
V-ing form
could I be mock mocking? could you be mock mocking? could he be mock mocking? could we be mock mocking? could you be mock mocking? could they be mock mocking?
Perfect
could I have mock mocked? could you have mock mocked? could he have mock mocked? could we have mock mocked? could you have mock mocked? could they have mock mocked?
V-ing perfect
could I have been mock mocking? could you have been mock mocking? could he have been mock mocking? could we have been mock mocking? could you have been mock mocking? could they have been mock mocking?
Interro-negative form
Simple form
could I not mock mock? could you not mock mock? could he not mock mock? could we not mock mock? could you not mock mock? could they not mock mock?
V-ing form
could I not be mock mocking? could you not be mock mocking? could he not be mock mocking? could we not be mock mocking? could you not be mock mocking? could they not be mock mocking?
Perfect
could I not have mock mocked? could you not have mock mocked? could he not have mock mocked? could we not have mock mocked? could you not have mock mocked? could they not have mock mocked?
V-ing perfect
could I not have been mock mocking? could you not have been mock mocking? could he not have been mock mocking? could we not have been mock mocking? could you not have been mock mocking? could they not have been mock mocking?