imperfective

常见例句

The aspectual contrast between perfective and imperfective is found in many Slavic languages.
完成体和未完成体之间的对立见于许多斯拉夫语。
The aspect of verb in Russian (imperfective aspect and perfective aspect) is one of the difficulties for Chinese students.
俄语动词体（未完成体和完成体）是中国学生学习俄语的难点之一。
In our country, the main reason of restricting the efficiency function to bring into full play is the lack of the idea of procedural justice and the imperfective of the procedure laws themselves.
在我国，制约诉讼法之效率功能充分发挥的因素主要是程序正义理念的缺失和诉讼法自身的不够科学、合理；