Catalan grammar, the morphology and syntax of the Catalan language, is similar to the grammar of most other Romance languages. Catalan is a relatively synthetic, fusional language.
The grammar of Catalan is similar to other Romance languages. Features include:
Some distinctive features of Catalan among Romance languages include the general lack of masculine markers (like Italian -o), a trait shared with French and Occitan; and the fact that the preterite tense of verbs is usually formed with a periphrasis consisting of the verb "to go" plus infinitive.
Catalan has two types of article, definite and indefinite. They are declined for gender and number, and must agree with the noun they qualify. As with other Romance languages, Catalan articles are subject to complex elision and contraction processes.
The inflection of articles is complex, especially because of frequent elision, but is similar to neighboring languages. Catalan has more preposition–article contractions than Spanish, like dels ("of + the [plural]"), but fewer than Italian (which has sul, col, nel, etc.).
The tables below summarize the forms of the definite article, its elisions, and its contractions.
Forenames and surnames must carry a definite article. In addition to the ordinary singular forms, alternative forms derived from the Latin vocative domine can be used. The elision rules are the same for el and la.
In Western Catalonia the dialectal versions lo and los are used instead of el and els.