Past Tenses1. 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)