Put the verbs in brackets into the gaps in the correct tense past perfect or simple past: 1)before sing) a song play) the guitar. 2) watch) a video after the go) to bed. 3)after make) breakfast phone) his friend. 4) be) very tired because study) too much. 5) ride) their bikes before meet) their friends. 6) phone) dad at work before leave) for her trip.