Question

They+want+to+eat+hamburgers+变成一般疑问句？

Answer 1

你好，先找助动词。如图所示。

Answer 2

主语they前面加上助动词Do，句尾加上问号就可以了。Do they want to eat hamburgers ？

Answer 3

改成一般疑问句可以这么改：Do they want to eat hamburgers？供你参考吧。