| 1. | Proto-Indo-European also used reduplication for imperfective aspect.
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| 2. | In Japanese, the basic verb form is an imperfective aspect.
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| 3. | This is a rough equivalent of the perfective vs . imperfective aspect opposition.
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| 4. | The terminology around the stative, perfective and imperfective aspects can be confusing.
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| 5. | Usage of the perfective aspect follows the same pattern as the imperfective aspect.
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| 6. | There is a perfective / imperfective aspect distinction.
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| 7. | There is no imperfective aspect, as in Romance, no irregular verbs are available.
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| 8. | The tenses may be further divided according to the imperfective aspects respectively .-->
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| 9. | Modern Greek distinguishes the perfective and imperfective aspects by the use of two different verb stems.
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| 10. | The past contrasts perfective and imperfective aspect, and some verbs retain such a contrast in the present.
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