4 Complete the sentences. Use the past perfect form of the verbs in brackets. (For sentences 5 and 6, look again at the Look out! box on page 45.) 1 After the thief (steal) the painting, he sold it online. 2 The police arrived after the shoplifter. (run away 3 The police caught the vandals after they (smash) a shop window. 4 After the police (catch) him, he confessed to the crime. 5 The house was empty when the burglars broke in (go) to the shops. (go) joyriding, because we 6 After the teenagers they burned the car.​