Questions & Answers about Суточная норма воды — два литра.
What is the difference between суточная and дневная?
Both can translate to daily, but суточная (from the plural-only noun сутки) specifically refers to a full 24-hour period. Дневная (from день) usually refers only to the daytime. Dietary, medical, or official norms often use суточная to be completely precise about a full day's cycle.
Why is there an em-dash (—) before два литра?
In Russian, when both the subject (норма) and the predicate (два литра) are in the nominative case, and the present tense verb to be (is) is omitted, an em-dash is used to separate them.
Why is it два литра instead of два литр?
After the numbers 2, 3, and 4 in the nominative case, the following noun must take the genitive singular. Since литр is a masculine noun, its genitive singular form is литра.
Why is воды in the genitive case here?
It translates to of water. The genitive case is used here to link two nouns together to show possession or a relationship, creating the noun phrase норма воды (norm of water).
To practice this lesson's focus, how would you change the end of the sentence to say 'up to two hundred liters' using an oblique case?
You would say до двухсот литров. The preposition до requires the genitive case, changing 200 to двухсот. Remember that in oblique cases (any case other than nominative or inanimate accusative), the noun must match the number's case in the plural form, so we use the genitive plural литров.
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