这几个to do不定式分别做什么成分knowledge of the other party's needs is used to develop strategies to exploit weakness rather than to seek a solution satisfactory to both side.那第一个to do 在句中算是什么句子成分呢.是算

这几个to do不定式分别做什么成分knowledge of the other party's needs is used to develop strategies to exploit weakness rather than to seek a solution satisfactory to both side.那第一个to do 在句中算是什么句子成分呢.是算
这几个to do不定式分别做什么成分
knowledge of the other party's needs is used to develop strategies to exploit weakness rather than to seek a solution satisfactory to both side.
那第一个to do 在句中算是什么句子成分呢.是算宾补吗还是状语啊

这几个to do不定式分别做什么成分knowledge of the other party's needs is used to develop strategies to exploit weakness rather than to seek a solution satisfactory to both side.那第一个to do 在句中算是什么句子成分呢.是算
第一个to do是be used to do的一部分.
意思是什么被用来干什么.表示被动语态.
第二个to exploit..是前面develop的原因.不定式表目的.
后面的to seek 是因为有rather than 所以前后成分要一致.
最后的to both side不是不定式.
第一个是谓语啊.有be系动词.动词在句子里面只充当谓语成分.