Jane and bob came home late?

My sister has bought?

перевести, задать вопросы (Альтернативный, общий, специальный, вопрос к подлежащему, разделительный)

Джейн и Боб пришли домой поздно

Did Jane and Bob come home late? (общий)

Did Jane and Bob come home late or early? (альтер)

Jane and Bob came home late, didn't they? (разделит)

When did Jane and Bob come home? (спец)

Who came home late? (к подлеж)

Моя сестра купила ...

Has your sister bought ... ? (общий)

Has your sister bought ... a dress or a skirt? (альтер)

Your sister has bought ..., has't she? (разделит)

What has your sister bought? (спец)

Who has bought ... ? (к подлеж)