Breakdown of Oba rukava su potpuno identična.
biti
to be (sam, si, je)
oba
both (masculine/neuter)
potpun
complete, total
rukav
sleeve
identičan
identical
Questions & Answers about Oba rukava su potpuno identična.
Why do we use oba here instead of obje?
The noun rukav (sleeve) is a masculine word. We use oba for masculine and neuter nouns, while obje is used exclusively for feminine nouns.
Why is the word for sleeves rukava here instead of the normal plural rukavi?
The word oba acts like the numbers 2, 3, and 4. These words require the noun to take a special quantity form, often called the paucal form. For masculine nouns like rukav, this form looks exactly like the genitive singular, which adds an -a.
Why does the adjective identična end in -a rather than the masculine plural ending -i?
Adjectives must match the noun's special paucal form. For masculine nouns after oba, the adjective takes an -a ending. Notice that this rule applies even when the adjective is in the predicate, separated from the noun by the verb su.
Why does this sentence use the plural verb su?
Even though the noun and adjective are locked into that special form by the word oba, the verb still behaves normally and takes the standard plural form. This is a good reminder, as quantities of five or more would force the verb into the singular.
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