Надо написать предложения в утвердительной и отрицательной форме 1. the biggest russian library is in st petersburg. 2. the russian state library was founded in 1918. 3. the russian state library was founded by lenin. 4. the russian state library has been renamed four times. 5. the russian state library was built for about twenty years. 6. the russian state library is closed on sundays

Утвердительная форма
1. The biggest Russian Library is in St Petersburg. 
2. The Russian State Library was founded in 1918.
3. The Russian State Library was founded by Lenin. 
4. The Russian State Library has been renamed four times. 
5. The Russian State Library was built for about twenty years. 
6. The Russian State Library is closed on Sundays
отрицательная форма
1. The biggest Russian Library isn"t in St Petersburg. 
2. The Russian State Library wasn"t founded in 1918.
3. The Russian State Library wasn"t founded by Lenin. 
4. The Russian State Library hasn"t been renamed four times. 
5. The Russian State Library wasn"t built for about twenty years. 
6. The Russian State Library is closed on Sundays