the present perfect tense
常见例句
- To grasp the usage of the present perfect tense.
掌握现在完成时态的用法。
www.td-school.org.cn - It is not easy to learn to use the present perfect tense correctly.
学习正确使用现在完成时不是容易的事。
blog.sina.com.cn - They appear more excited when we talk about university life in the United States than when we discuss the correct usage of the present perfect tense.
与讨论如何正确使用现在完成时相比，当我们谈起美国大学的生活时，他们显得更为兴奋。
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