Первая часть предложения так и остаётся и пишешь
1... but this bookcase was not made by my grandfather.
2... but the girls were not asked to play football.
3... but the texts were not translated
4... but the tees were not covered with snow
5... but Victor's test was not checked by the teacher
6... but the dog was not given milk
7... but I was not taught to read when she was 5 years old
8... but my jacket was not washed