Nominative
In linguistics , the nominative is a grammatical case expressing the syntactic function of subject , that is to say the actant said (the diathesis active), or (in the passive diathesis). Grammar of Old French , where it is called on.
In the Latin model is the nominative is used to indicate the subject of a sentence to indicate a name attribute of a subject in the nominative (he is a man, he becomes a man, he seems to be a man). For the cons interjection, exclamation are made by the vocative.
Use the following registered may vary inflected languages. and in its expressive function of the subject, they must compete in some languages by the ergative and absolutive.
In languages with declensions, like German or Latin , the nominative can be the normal form of the word (which is in the dictionary), that is to say the lemma. This is not true in all: in Sanskrit , for example, often cites the names by their morphological theme (without inflections): Asva-"horse" (not avas).
- Listing registered in Latin, subject and predicate of the subject:
Is homo magnus (The man is great), Homo (inis, m) is about, so it is personal, and Magnus (a, um) is the same case, because it is an attribute of topic (with the verb to be).

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