The people who are prone to fall on their knees to

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The people（主语） who are prone to fall on their knees to do us honor when success is with us （定语从句）may be（系动词） the first（表语） to throw the stone of malice（不定式做定语 ）when failure settles its cloud upon our heads （时间状语从句）
句子的主干是：People (主语）may be（系动词） the first （表语）when...（状语从句）.
定语从句中：who（主语） are （系动词）prone （表语）to fall on their knees（状语） to do us honor （状语）when success is with us（时间状语从句）.
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供参考答案1:
你....... 知道逗号是什么吗......
the people who are prone to fall on their knees flatters us when success is with us, also may be the first to throw the stones of malice when failure settles its cloud upon our heads.
这样行么