with后面表示工具一定要加冠词吗?例如 write with a pen

by with 区别一、表示使用有形的工具时,通常用with来表示.例如：用钢笔写 write with a pen用肉 write with a pen WRITE WITH A PEN OR Could you lend me a pen to write with?为什么要加with （I have a pen to write with）句中 为什么加 with i write a letter with pen是对的吗? write 【by .iN .with】a pen i have a pen to write还是/write with he told me to write with a pen这句中with a pen 的成分是伴随状语吗? The pen is good to write为什么要加with The pen is good to write(要加介词with吗?) I use a pen to write.还是I use a pen to write with.为什么?