Let's meet upstairs, shall we? (Change "you" to "we")

I enjoy listening to music and going dancing with my friends. (Add "going" to maintain parallelism)

Did you advise him to see the doctor? (Change "seeing" to "to see" to indicate infinitive after "advise")

She hardly goes to work on time, does she? (Change "do" to "does" to agree with the singular subject "she")

I tried to explain to him, but he went on complaining. (Change "complain" to "complaining" to maintain consistency with the continuous tense "tried to explain")

We hope to be invited to join the health club. (Change "hope" to "hope" to indicate the infinitive after "hope")

She should visit her parents more often. (Change "should visiting" to "should visit" to indicate the modal verb "should" followed by the base form of the verb)

They agreed to go with me to the gym. (Change "agreed go" to "agreed to go" to maintain consistency with the infinitive after "agreed")

Would you mind if I had a look? (Change "having" to "had" to indicate the past tense after "would you mind")

Don't think of leaving too late at night. (Change "leave" to "leaving" to maintain consistency with the gerund phrase "think of")