You need to write to him的同意句
问题描述：
You need to write to him的同意句
答
我认同hkp1992的！
答
既然有了这么多正确答案，我本来是不想跟lz这浪费时间滴。。
但是我要说一下
二楼的不对
need to do 是需要做。。。
但 need doing 是 需要被做。。。（表被动） 相当于 need to be done
答
You need write to him.这里need作情态动词，你那句的是作实意动词，应该是这样吧
答
You need to write a letter to him.
答
you have to write to him
答
他们都答得可以
但我不认同You should write a letter to him 这一句
答
Yon need to send him a letter.