在英语学习中，“used to”是一个非常实用的短语，用来描述过去经常发生的动作或存在的状态。而“used to doing something”则更侧重于习惯性行为，表达对某种事情已经适应的状态。以下是一些实用且自然的例句，帮助大家更好地掌握这一用法。

1. I used to doing exercise every morning when I was younger.

- 我年轻的时候习惯每天早上锻炼身体。

2. She used to doing homework late into the night during her school days.

- 她上学时习惯熬夜写作业。

3. They used to doing things their own way, which often caused misunderstandings.

- 他们习惯按照自己的方式做事，这常常导致误会。

4. He used to doing sports after work, but now he prefers reading at home.

- 他以前习惯下班后做运动，但现在更喜欢在家看书。

5. We used to doing family trips every summer, but this year we decided to stay put.

- 我们过去每个夏天都习惯全家出游，但今年决定待在家里。

通过这些句子可以看出，“used to doing something”强调的是长期形成的习惯或行为模式。希望这些例子能帮到正在学习英语的朋友！如果还有其他疑问，欢迎继续探讨哦～