Rivers shaping the land, sentence 12
An oxbow lake forms when a river cuts through the narrow neck of a meander and leaves the loop behind.
Who acts: oxbow lake, river · What happens: form, cut, leave · To what, where: loop
This is a sentence of the lesson «Rivers shaping the land» of the geography course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (oxbow lake, river), what happens, when and where, as Mova's frames read it from the tree.
The tree
The words, one row each (CoNLL-U)
| # | word | lemma | UPOS | features | head | relation |
|---|---|---|---|---|---|---|
| 1 | An | a | DET | Definite=Ind PronType=Art | 3 lake | det |
| 2 | oxbow | oxbow | NOUN | Number=Sing | 3 lake | compound |
| 3 | lake | lake | NOUN | Number=Sing | 4 forms | nsubj |
| 4 | forms | form | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 5 | when | when | SCONJ | _ | 8 cuts | mark |
| 6 | a | a | DET | Definite=Ind PronType=Art | 7 river | det |
| 7 | river | river | NOUN | Number=Sing | 8 cuts | nsubj |
| 8 | cuts | cut | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 4 forms | advcl |
| 9 | through | through | ADP | _ | 12 neck | case |
| 10 | the | the | DET | Definite=Def PronType=Art | 12 neck | det |
| 11 | narrow | narrow | ADJ | Degree=Pos | 12 neck | amod |
| 12 | neck | neck | NOUN | Number=Sing | 8 cuts | obl |
| 13 | of | of | ADP | _ | 15 meander | case |
| 14 | a | a | DET | Definite=Ind PronType=Art | 15 meander | det |
| 15 | meander | meander | NOUN | Number=Sing | 12 neck | nmod |
| 16 | and | and | CCONJ | _ | 17 leaves | cc |
| 17 | leaves | leave | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 8 cuts | conj |
| 18 | the | the | DET | Definite=Def PronType=Art | 19 loop | det |
| 19 | loop | loop | NOUN | Number=Sing | 17 leaves | obj |
| 20 | behind | behind | ADV | _ | 17 leaves | advmod |
| 21 | . | . | PUNCT | _ | 4 forms | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | form | present | a oxbow lake | vn appear-48.1.1 «NP V»: agent=Theme | |||||
| 2 | cut | present | a river | through the narrow neck of a meander | vn cut-21.1-1 «NP V PP»: agent=Agent through neck=Patient | ||||
| 3 | leave | present | a river not said here | the loop | behind property | vn keep-15.2 «NP V NP»: agent=Agent loop=Theme |
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.
Licence: CC BY-SA 4.0, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, mova-school-agreed-en.conllu) is part. The lessons were written for Mova's primary school. Sentence school:geography:053-rivers-shaping-the-land.lesson:12.
The tree: Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1. The frames are read from the tree by Mova's frames reader (prag) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.
See the release 0.4.
This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/geography/53-rivers-shaping-the-land/12/