请教一个英语句子成分的分析

请教一个英语句子成分的分析请详细分析这个句子的各成分This is china behaving more actively in the international sphere to protect its interests beyond its borders than it had in the past我的分析是否正确：主干：This is china behaving more actively（主谓宾宾补的结构）this(主） is(谓） china(宾） behaving more actively(宾补） in the international sphere(为修饰宾补的定语1）to protect its interests beyond its borders(为修饰宾补的定语2）than it had in the past(为修饰宾补的定语3）