题目内容：

语法 请分析下面句子括号部分在句子中所作的成分
They went (hunting) together early in the morning.
(There is going to be) an American film tonight.
(To be honest),your pronounciation is not so good.
It is our duty to keep our classroom (clean and tidy).
He noticed a man (enter the room).
请分析这些句子括号部分在句子中所作的成分,