Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can appreciate appreciate you can appreciate appreciate he can appreciate appreciate we can appreciate appreciate you can appreciate appreciate they can appreciate appreciate
V-ing form
I can be appreciate appreciating you can be appreciate appreciating he can be appreciate appreciating we can be appreciate appreciating you can be appreciate appreciating they can be appreciate appreciating
Perfect
I can have appreciate appreciated you can have appreciate appreciated he can have appreciate appreciated we can have appreciate appreciated you can have appreciate appreciated they can have appreciate appreciated
V-ing perfect
I can have been appreciate appreciating you can have been appreciate appreciating he can have been appreciate appreciating we can have been appreciate appreciating you can have been appreciate appreciating they can have been appreciate appreciating
Negation
Simple form
I cannot appreciate appreciate you cannot appreciate appreciate he cannot appreciate appreciate we cannot appreciate appreciate you cannot appreciate appreciate they cannot appreciate appreciate
V-ing form
I cannot be appreciate appreciating you cannot be appreciate appreciating he cannot be appreciate appreciating we cannot be appreciate appreciating you cannot be appreciate appreciating they cannot be appreciate appreciating
Perfect
I cannot have appreciate appreciated you cannot have appreciate appreciated he cannot have appreciate appreciated we cannot have appreciate appreciated you cannot have appreciate appreciated they cannot have appreciate appreciated
V-ing perfect
I cannot have been appreciate appreciating you cannot have been appreciate appreciating he cannot have been appreciate appreciating we cannot have been appreciate appreciating you cannot have been appreciate appreciating they cannot have been appreciate appreciating
Interrogative form
Simple form
can I appreciate appreciate? can you appreciate appreciate? can he appreciate appreciate? can we appreciate appreciate? can you appreciate appreciate? can they appreciate appreciate?
V-ing form
can I be appreciate appreciating? can you be appreciate appreciating? can he be appreciate appreciating? can we be appreciate appreciating? can you be appreciate appreciating? can they be appreciate appreciating?
Perfect
can I have appreciate appreciated? can you have appreciate appreciated? can he have appreciate appreciated? can we have appreciate appreciated? can you have appreciate appreciated? can they have appreciate appreciated?
V-ing perfect
can I have been appreciate appreciating? can you have been appreciate appreciating? can he have been appreciate appreciating? can we have been appreciate appreciating? can you have been appreciate appreciating? can they have been appreciate appreciating?
Interro-negative form
Simple form
can I not appreciate appreciate? can you not appreciate appreciate? can he not appreciate appreciate? can we not appreciate appreciate? can you not appreciate appreciate? can they not appreciate appreciate?
V-ing form
can I not be appreciate appreciating? can you not be appreciate appreciating? can he not be appreciate appreciating? can we not be appreciate appreciating? can you not be appreciate appreciating? can they not be appreciate appreciating?
Perfect
can I not have appreciate appreciated? can you not have appreciate appreciated? can he not have appreciate appreciated? can we not have appreciate appreciated? can you not have appreciate appreciated? can they not have appreciate appreciated?
V-ing perfect
can I not have been appreciate appreciating? can you not have been appreciate appreciating? can he not have been appreciate appreciating? can we not have been appreciate appreciating? can you not have been appreciate appreciating? can they not have been appreciate appreciating?