Child language acquisition
| Babbling | 6-8 months | Repetitive CV patterns |
| One-word stage (better one-morphemeor one-unit)or holophrastic stage | 9-18 months | Single open-class words or word stems |
| Two-word stage | 18-24 months | "mini-sentences" with simple semantic relations |
| Telegraphic stage or early multiword stage (better multi-morpheme) | 24-30 months | "Telegraphic" sentence structures oflexical rather than functional orgrammatical morphemes |
| Later multiword stage | 30+ months | Grammatical or functional structures emerge |
