Надо преобразовать предложение "in 1895 popov gave a working demonstration of the first radio receiver in the world." в шесть типов вопросительного предложения (общий, специальный, альтернативный, разделительный, вопрос к подлежащему, вопрос к сказуемому). заранее !

1. Did Popov give a working demonstration of the first radio receiver in the world in 1895?
2. When did Popov give a working demonstration of the first radio receiver in the world?
3. Did Popov give a working demonstration of the first radio receiver in the world in 1895 or in 1995?
4. Popov gave a working demonstration of the first radio receiver in the world in 1895, didn`t he?
5. Who gave a working demonstration of the first radio receiver in the world in 1895
6. What did Popov do in 1895?