语法请分析下面句子括号部分在句子中所作的成分
Theywent(hunting)togetherearlyinthemorning.
(Thereisgoingtobe)anAmericanfilmtonight.
(Tobehonest),yourpronounciationisnotsogood.
Itisourdutytokeepourclassroom(cleanandtidy).
Henoticedaman(entertheroom).
请分析这些句子括号部分在句子中所作的成分,