English verb conjugation
CAN APPRECIATE

Regular verb: appreciate - appreciated - appreciated

Affirmation

Simple form	V-ing form
I can appreciate you can appreciate he can appreciate we can appreciate you can appreciate they can appreciate	I can be appreciating you can be appreciating he can be appreciating we can be appreciating you can be appreciating they can be appreciating
Perfect	V-ing perfect
I can have appreciated you can have appreciated he can have appreciated we can have appreciated you can have appreciated they can have appreciated	I can have been appreciating you can have been appreciating he can have been appreciating we can have been appreciating you can have been appreciating they can have been appreciating

Negation

Simple form	V-ing form
I cannot appreciate you cannot appreciate he cannot appreciate we cannot appreciate you cannot appreciate they cannot appreciate	I cannot be appreciating you cannot be appreciating he cannot be appreciating we cannot be appreciating you cannot be appreciating they cannot be appreciating
Perfect	V-ing perfect
I cannot have appreciated you cannot have appreciated he cannot have appreciated we cannot have appreciated you cannot have appreciated they cannot have appreciated	I cannot have been appreciating you cannot have been appreciating he cannot have been appreciating we cannot have been appreciating you cannot have been appreciating they cannot have been appreciating

Interrogative form

Simple form	V-ing form
can I appreciate? can you appreciate? can he appreciate? can we appreciate? can you appreciate? can they appreciate?	can I be appreciating? can you be appreciating? can he be appreciating? can we be appreciating? can you be appreciating? can they be appreciating?
Perfect	V-ing perfect
can I have appreciated? can you have appreciated? can he have appreciated? can we have appreciated? can you have appreciated? can they have appreciated?	can I have been appreciating? can you have been appreciating? can he have been appreciating? can we have been appreciating? can you have been appreciating? can they have been appreciating?

Interro-negative form

Simple form	V-ing form
can I not appreciate? can you not appreciate? can he not appreciate? can we not appreciate? can you not appreciate? can they not appreciate?	can I not be appreciating? can you not be appreciating? can he not be appreciating? can we not be appreciating? can you not be appreciating? can they not be appreciating?
Perfect	V-ing perfect
can I not have appreciated? can you not have appreciated? can he not have appreciated? can we not have appreciated? can you not have appreciated? can they not have appreciated?	can I not have been appreciating? can you not have been appreciating? can he not have been appreciating? can we not have been appreciating? can you not have been appreciating? can they not have been appreciating?