请帮忙分析一下句子的成分：the next step is to make sure that you know exactly what is required.
题目
请帮忙分析一下句子的成分：the next step is to make sure that you know exactly what is required.
答案
第一层：
the next step is to make sure that you know exactly what is required.
主语：the next step,谓语：is,表语：不定式短语 to make sure that you know exactly what is required；
第二层：
to make sure that you know exactly what is required
动词：to make,make的宾语：宾语从句that you know exactly what is required,宾语补足语：sure；
第三层：
that you know exactly what is required
主语：you,谓语：know,状语：exactly修饰know,know的宾语：从句what is required
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