I used to write during my free periods at school.

我过去上学时常在空闲时间写作。

《柯林斯英汉双解大词典》

It can also be used to write XML.

它还可以用于编写XML。

youdao

He used to write on a daily basis.

以前他每天坚持写日记，现在一个月写一至两次。

youdao

She used the time in a hospital to write letters in support of an American Red Cross organization.

VOA: special.2009.07.26

There are also documents written in Braille, a method used by blind people to read and write.

VOA: special.2010.07.09

Franz Schubert used the guitar to write some of his famous works.

VOA: special.2010.05.12

He used to write them down and keep them in a ring binder.

NEWYORKER: Mastering the Machine

Mr. Honarmand is a Dutch citizen who used to write columns for the opposition daily Kayhan International, based in London.

CENTERFORSECURITYPOLICY: Venezuelas Tarek El-Aissami

In fact, when I was a kid, I used to write these songs and I used to sneak into my mom and dad's room.

CNN: Singer/songwriter Sally Taylor