There are mistakes in the use of reflexive pronouns in some of these sentences. Find the mistakes and correct them.

1. My sister taught herself to swim. 2. Anna repaired the chair herself. (Correct) 3. The children are making themselves something to eat. (Correct) 4. I hurt myself when I fell down the stairs. 5. We're meeting at 8.00 this evening. 6. We're enjoying ourselves very much. (Correct)