2. Complete the sentences with the Past Perfect form of the verbs in brackets. 1 He .. (to watch) this TV programme before his parents came home. 2 Sheila and Witty .. (to send) the invitations for the conference before Friday. 3 A group of tourists. (already to visit) this cathedral before the guide told them about its history. 4 His nephew... (to move) to a new flat by the beginning of September. 5 The accident ... (to happen) before Henry understood anything. 6 John and Andrew.. (to get) to the hotel before night.​