为什么agree to 的to 是介词?

为什么agree to 的to 是介词? We seem to agree _____ almost everything.填介词答案是to,为什么不用with agree with agree to agree 的区别 为何agree to的To明明是介词,后面是Do sth?agree to同意；赞成.to 为介词,后接名词.但为何后面的是Do sth?而不是Doing sth? his silence suggested that he ___ our plan.A.should not agree B.did not agree to C.not agree to D.would not agree with 我想知道的是D为什么不行呢?是因为时态还是因为后面的介词with?如果是因为时态,我倒觉得用过去将 agree to,agree with,agree on,agree about的区别. agree to,agree with,agree on,agree about的区别. agree to 和 agree to do 的区别agree to do+sth.这我知道,但是agree to也加sth.这里的to到底是介词还是动词不定式?还有,我在语法书上看到两个句子是：After much argeement most of his proposals were finally agreed to. agree to/on/with的区别是? agree to 和 agree to do 的区别agree to do+sth.这我知道,但是agree to也加sth.这里的to到底是介词还是动词不定式?请麻烦说下区别.还有,我在语法书上看到两个句子是：After much argeement most of his proposals w agree to one's plan 中to 为什么是介词?不是有agree to do? agree to.agree with的用法区别 agree to和agree with的区别. agree to和 agree with的区别? agree to 和agree with的区别 关于agree 1.这句话对么 agree on和agree to可用于被动语态,但agree with和agree about不可用于被动语态.2.agree的被动语态可以省略介词? agree,agree to,agree with有什么区别?agree是及物动词吗?什么时候用agree,什么时候用agree to? 【非谓语】Would you agree to Parson's having full control of the operation?①为什么用would不用will?②agree to 的to 为什么是介词?是怎么判断的?③full在这边是什么词?control在这边是什么词?④求翻译句子.能不