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Оба and Обе in All Six Cases
Обо́их, обе́им, обе́ими — pick the form the sentence needs, and put the noun with it.
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Practice Russian the friendly way — with free, interactive exercises. Work through grammar, vocabulary, and reading by topic and level, and check your answers as you go.
Grammar in Use
Оба, обе, and the Words After Them
Pick о́ба or о́бе by gender, then put the noun and any adjective into the right form.
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Both and Neither Without Оба
Not every both is о́ба. Choose the Russian that matches the English: и…, и…, и то, и друго́е, ни…, ни…
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По, В or На: Choose the Right Preposition
Two decisions in every sentence: which of the three prepositions belongs in the gap, and what form the word in brackets takes after it. No verbs of motion here — nothing is going anywhere. Your clue is what the sentence is actually about: a place, a channel, or a subject.
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Prepositional Case of Nouns: В or На
Where is it, and where did it happen? Every sentence needs в or на plus the prepositional form of the word in brackets — and the words are not all singular, so keep an eye on the endings.
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-то, -нибудь, or угодно: All Question Words
Every question word — кто, что, какой, как, где, когда — choose -то, -нибудь, or угодно, and decline where the sentence needs it.
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Какой-то, -нибудь, or угодно with Cases
Practice choosing какой-то, какой-нибудь, or какой угодно in Russian, declined to agree with the noun.
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-нибудь vs угодно
Practice choosing -нибудь or угодно in Russian across кто, что, где, куда and когда — with context clues.
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кто/что -то/-нибудь with Cases
Choose кто-то, кто-нибудь, что-то, or что-нибудь, then decline it to fit the sentence — context clues included.
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«ли» Indirect Questions Exercise: Practice "Whether" in Russian
Practice joining two Russian sentences into one indirect question with «ли» — how Russian expresses "whether." Answers included.
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«ли» Yes/No Questions Exercise: Practice Russian Question Formation
Turn Russian statements into yes/no questions using the particle «ли». Practice sentences with answers, for A1–B1 learners.
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Russian Prepositions В/Во and На
Practice choosing the correct Russian preposition в/во or на to talk about location and place.
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