动名词完成时是英语中的一种时态，它由“have/has been”和动名词构成，用来表示一个动作在过去开始并一直持续到现在为止。下面是一些动名词完成时例句：
- 我们已经在这个公司工作了五年了。
我们已经 been working in this company for five years.
- 她一直在学习法语，已经学了两年了。
She has been studying French for two years.
- 你看到那个电影了吗？
Have you seen that movie?
- 我们已经在这个城市生活了很长时间。
We have been living in this city for a long time.
- 他已经在这个项目上工作了一个月了。
He has been working on this project for a month.
- 我们已经在这个学校学习了三年了。
We have been studying at this school for three years.
- 他已经在这个行业工作了很长时间。
He has been working in this industry for a long time.
- 她一直在等待他的来信，已经等了两个星期了。
She has been waiting for his letter for two weeks.
- 我们已经在这个餐厅吃了好几次了。
We have been eating at this restaurant several times.
- 这个问题一直存在，我们已经在尝试解决它了。
This problem has been existing and we have been trying to solve it.
以上是一些动名词完成时的例句，通过学习和练习，我们能更好地掌握这个时态，并在英语交流中更加流利自如。
