use the present simple past simple and past continuous 1 ..... you ...... a letter when i phoned you yesterday ( write ) 2 the teacher called him while he ........ attention to the teacher explaining (...

1. were you writing a letter when I phoned you yesterday? 2. The teacher called him while he was not paying attention to the teacher explaining. (or) The teacher called him while he wasn't paying attention to the teacher explaining. (Alternative with 'pay' in the correct form: The teacher called him while he wasn't paying attention to the teacher explaining.) (Best fit with given options: The teacher called him while he was not paying attention to the teacher explaining.) 3. My brother wasn't doing his homework at 8 pm yesterday. He was playing computer games when I left the house this morning. It was raining very hard. 4. Please leave a message on my phone if you are unable to reach me. He fell while he was going down the stairs. 5. That tourist lost his camera while he was walking around the city.