1.一般疑问句：Does Ben usually do his homework before bedtime?
第一个括号提问：What does Ben usually do before bedtime?
第二个括号提问：When does Ben usually do his homework?
2.一般疑问句：Is your mum telling us an interesting fairy tale now?
否定句：My mun isn't telling us an interesting fairy tale now.
usually：My mum usually tells us interesting fairy tales.
（这个句子中的语法和拼写错误替你改过来了）
3.一般疑问句：Is there any juice in your hand?
括号提问：How much juice is there in your hand?
否定句：There isn't any juice in my hand.
3.括号提问：What is there in your hand?