Grammar Note
不可数名词
完成体动词形式
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完成体动词形式
A perfective verb form.
In English, the perfective is often formed with the auxiliary 'have' and a past participle.
在英语中，完成时通常由助动词“have”和过去分词构成。
完成体动词形式
A perfective verb form.
The teacher explained that the perfective focuses on the completion of an action.
老师解释说，完成时强调动作的完成。
Linguists distinguish between perfective and imperfective aspects in many languages.
语言学家在许多语言中区分完成体和未完成体。
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不可数名词
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.