Find and correct the mistakes in the questions below. Three of the questions are correct.
1 When you started studying English? 2 Who did helped you to learn English? 3 Do you be enjoy learning languages? 4 Did you to learn anything important from your teachers? 5 What annoys you about your job or your studies? 6 In your job or studies, is there anything you are not happy? 7 When you imagine the perfect career, what do you think of? 8 What keeps you awake at night?