Our country has changed greatly since1976(改为一般疑问句）

Our country has changed greatly since1976(改为一般疑问句）
Our country has changed greatly since1976(改为一般疑问句）

Our country has changed greatly since1976(改为一般疑问句）
Has our country changed greatly since 1976?

带 have/has 的句子变成一般疑问句有两种:
1 Has our country changed greatly since 1976?
2 Does our country have changed greatly since 1976?

Has our country changed greatly since 1976?

What happens to your country since 1976?