The pen is good to write为什么要加with

The pen is good to write为什么要加with The pen is good to write(要加介词with吗?) Could you lend me a pen to write with?为什么要加with 为什么This pen is easy to write with.可以变成This is an easy pen to （I have a pen to write with）句中 为什么加 with ①The pen is nice to write with .②The ice is thick to skate o A pen is used to write with为什么要加个with呢?! The old pen is broken,I'd like ____ one to write with A.the I want to borrow a pen ____ to write with 为什么要用with I use a pen to write.还是I use a pen to write with.为什么? Will you lend me a pen to write with,为什么要用with? i think the pen is easy to write是否正确,请检查一下为什么,