keep a diary 用英文怎么翻译?

keep a diary
（习惯地）写日记
例句：
1.Try to keep a diary in English.
尽量用英语记日记.
2.She likes to keep a diary.
她喜欢记日记.
3.It is a good habit to keep a diary .
写日记是一个好习惯.