[ A knife is a tool for cutting with.刀是切割的工具 ] 最后一个with 我怎么觉得多余的.这是什么样的语法来的.读起来很不自然.我语法刚刚开始学.很多都不懂.大家不要见笑.能不能帮我理解一下这个

A knife is a tool for cutting with. knife is a tool to cut with 为啥要有那个with吗? A knife is a tool for cutting with.基础语法问题knife前面那个a能不能去掉,也就是说它是不是可要可不要的?tool前面那个a呢?再啰嗦一句knife前面的那个a有什么意义呢？为什么可以加？我很罗嗦。- -*** A spade is a tool.如题 English is a useful tool.写作 This tool is a real eye opener. This is a knife 改为复数 This is a knife.怎样变复数. Time is a kill pig knife! He is ( ) the apple with a knife. 谁来帮我分析一下这个句子的成分?A knife is a tool for cutting with.前面应该是一套主系表,后面呢?“for cutting with”是定语从句?还是补语? 请问这句话with是倒装吗?A knife is a tool for cutting with正常的说应该是with cutting 请问这句话中的with是倒装吗? The tool with _____he is working is called a pump. have a tool Dictionary is ______ useful tool.A an B a C / DDictionary is ______ useful tool.A anB aC /D the Is still only a decadent style tool是什么意思 English is _language.it is_important tool.填a,an.the,/ english is just a tool to communicate什么意思