this guide describes what i think life on mars will be like.句子成分分析

This guide 主语
describes 谓语
what I think life on mars will be like宾语从句.
再分析宾语从句：
what是will be like中like的介词宾语.
I think 插入语
life on mars 主语
will be like (what)是系表结构,作谓语.
如果我帮到了你,解释的非常好，我有个问题 i think是插入语，如果提出来，放在哪个位置呢？This guide describes what i think life on mars will be like.I think是插入语，如果提出来，可放在：This guide describes what life on mars will be like，I think .