Hello there! :)
Which sentence has a verb error? A) Answer your uncle when he asks you a question! B) Helps me out with cleaning the dishes, will you? C) After you've taken out the trash, go make your bed. D) Please don't try to convince me to stay another night.
The sentence with a verb error is the following one: Helps me out with cleaning the dishes, will you? The subject of this sentence is an "understood 'you'" which should be followed by the plural verb "help."
Therefore answer is
Helps me out with cleaning the dishes, will you?
Option (B)