Сделать 5 типов вопросов i know this girl she sings very well she is play the piano now he has been walking in the park for half an hour

1. i know this girl do i know this girl? i don't know this girl whom i know? do i know this girl or this boy? i know this girl, don't i? 2. she sings very well does she sing very well? she doesn't sing very well who sings very well? does she sing or dance very well? she sings very well, doesn't she? 3. she is playing the piano now is she playing the piano now? she isn't playing the piano now who is playing the piano now? is she playing the piano or the guitar now? she is playing the piano now, isn't she? 4. he has been walking in the park for half an hour has he been walking in the park for half an hour? he hasn't been walking in the park for half an hour who has been walking in the park for half an hour? has he been walking in the park or in the garden for half an hour? he has been walking in the park for half an hour, hasn't he?

Ну наверное 3. french: art, police, machine, hotel; т.к. в latin есть самовар, что неправильно, а в russian есть кофе, что тоже неправильно. методом исключения - п. 3 french