Breakdown of Здесь огромный корень, не оступись и не упади.
и
and
не
not
здесь
here
огромный
huge
упасть
to fall (perfective)
оступиться
to stumble
корень
the root
Questions & Answers about Здесь огромный корень, не оступись и не упади.
Why do не оступись and не упади use the perfective aspect here? I thought negative commands usually take the imperfective.
You are right that negative commands telling someone not to do something intentionally usually take the imperfective. However, these verbs are perfective because they are warnings against accidental, unwanted events. When you warn someone to avoid a mishap, like slipping or falling, you use не plus the perfective imperative.
The verb оступись ends in -сь. Is this a reflexive verb?
Yes, it comes from the perfective verb оступиться (to stumble or lose one's footing). In the imperative form, the reflexive ending -ся shortens to -сь because it directly follows a vowel (и).
Корень ends in a soft sign. How do we know it is masculine, matching the adjective огромный?
How is the imperative упади formed from the infinitive упасть?
To form the imperative, you look at the third-person plural (they) form of the future tense, which is упадут. Drop the -ут ending to find the stem упад-. Because this stem ends in a consonant and the stress naturally falls on the ending of this word, you add -и to make упади.
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