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