Помогите !!!!срочно!!!! Put the verbs in brackets into the gaps in the correct tense Past perfect or Simple past:
1)Before he_____(to sing) a song he____(to play) the guitar.
2)she_____(to watch) a video after the children_____(to go) to bed.
3)After John_____(to make) breakfast he_____(to phone) his friend.
4)I_____(to be) very tired because I_____(to study) too much.
5)They____(to ride) their bikes before they_____(to meet) their friends.
6)Aida_____(to phone) Dad at work before she______(to leave) for her trip.