Who has learned a new foreign language? -специальный
Has father learned a new foreign language? -общий
What my father has learned? -специальный
My father has learned new foreign language, hasn't he?-разделительный
Has father or mother learned a new foreign language?
Has father learned or taught foreign language?
2) Has John bought the book about snakes?-общий
Who has bought the book about snakes?
What has bought John?
About whom John has bought the book?
John has bought the book about snakes, hasn't he?
Has John or Anna bought the book about snakes?
Has John bought or learn the book about snakes?
Has John bought the book or magazine about snakes?
Has John bought the book about snakes or tigers?
3)Has my mother lost her car keys?
Who has lost car keys?
What my mother has lost?
Whom keys my mother has lost?
What keys my mother has lost?
My mother has lost her car keys, hasn't she?
Has my mother or father has lost car keys?
Has mother lost or found her car keys?
Has mother lost her or my car keys?
Has mother lost her car or home keys?
Has mother lost her car keys or wheels?