Помогите, очень срочно 5.6.7 ПОЖАЛУЙСТА

5. 1. are we? 2. did she? 3. do I? 4. wasn't it? 5. have they? 6. had we? 6. 1. could. 2. was able to. 3. couldn't. 4. were able.  7. 1. hadn't had. 2. hadn't realised.  3. had forgotten.  4. had worked. 5. had she heard.