英语句型转换 四道john knew something about that news.(改一般疑问句）jane's never been to tuvalu before.（改反意疑问句）Peter gave a birthday gift to his sister?(对a birthday gift 提问）i brought this book three weeks ago(事态转换）

Did John know anything about that news“
has she
What did Peter give to his sister？
I have had this book for three weeks

Did john know something about that news?
jane's never been to tuvalu before,has he?
What did peter give to his sister?
I've had this book for three weeks.

Did John know something about that news？
照抄＋has she？
What did Peter give to his sister？
I have bought this book for three weeks.

我I帮你完成

过去式：Did John know something about the news?
完成时(前否后肯）：Jane has never been to tuvalu before,has she?
过去式：What did Peter give to his sister?
过去式转完成时：I have kept this book since three weeks ago.

1. Did john know anything about that news？

2. Jane's never been to tuvalu before,has she?

3. What did peter give to his sister?

4. I have kept the book for three weeks.

Does john know something about that news？
jane .....before,has she？
What does peter give to his sister？