Past Tenses 1. I (cook) pizza while you were reading. (was cooking, cooked, had cooked, had been cooking) 2. I (cook) pizza yesterday. (was cooking, cooked, had cooked, had been cooking) 3. I (cook) pizza before he came home. (was cooking, cooked, had cooked, had been cooking) 4. I (cook) pizza since 2 o’clock yesterday. (was cooking, cooked, had cooked, had been cooking) 5. Я написала письмо вчера. (wrote, had been writing, had written, was writing) 6. Я написала письмо вчера до того, как мама пришла домой. (wrote, had been writing, had written, was writing) 7. Я писала письмо уже час, когда он пришел домой. (wrote, had been writing, had written, was writing) 8. Я писала письмо вчера, когда мама готовила пиццу. (wrote, had been writing, had written, was writing)