不要忘了给你母亲写信。用英语怎么说？

不要忘了给你母亲写信。

Don't neglect writing to your mother.

neglect

vt. 疏忽，忽略，遗漏，疏于照顾；n. 玩忽，被忽略的状态，怠慢；

例句
America and Japan have settled back into a policy of benign neglect of their currencies.
美国和日本又回到了不作为货币政策的老路。

writing

n. 文字，写作，文章，笔迹；v. 写（ write的现在分词），写信；

例句
...teaching the basics of reading, writing and arithmetic.
教授阅读、写作和算术的基础知识

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

your

pron. 你的，你们的，尊，玉，乃；

例句
I think there's something a little peculiar about the results of your test.
我认为你的化验结果有点不对劲。

mother

n. 母亲，妈妈，女修道院院长，大娘；vt. 像母亲般地照顾，养育，溺爱；

例句
I felt I had adjusted to the idea of being a mother very well...
我感到自己已经完全接受了当妈妈的想法。