Tarnish and how metals change, sentence 2
Tarnish is a chemical change on the very surface of a metal.
Who acts: Tarnish · What happens: be · To what, where: chemical change, very surface
This is a sentence of the lesson «Tarnish and how metals change» of the chemistry 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 (Tarnish), 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 | Tarnish | tarnish | NOUN | Number=Sing | 5 change | nsubj |
| 2 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 5 change | cop |
| 3 | a | a | DET | Definite=Ind PronType=Art | 5 change | det |
| 4 | chemical | chemical | ADJ | Degree=Pos | 5 change | amod |
| 5 | change | change | NOUN | Number=Sing | root | root |
| 6 | on | on | ADP | _ | 9 surface | case |
| 7 | the | the | DET | Definite=Def PronType=Art | 9 surface | det |
| 8 | very | very | ADJ | Degree=Pos | 9 surface | amod |
| 9 | surface | surface | NOUN | Number=Sing | 5 change | nmod |
| 10 | of | of | ADP | _ | 12 metal | case |
| 11 | a | a | DET | Definite=Ind PronType=Art | 12 metal | det |
| 12 | metal | metal | NOUN | Number=Sing | 9 surface | nmod |
| 13 | . | . | PUNCT | _ | 5 change | punct |
Pragmatics
- form
- statement
- act
- assert
- voice
- narrator
- polarity
- none
- teacher
- kept the draft
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | is a | present | Tarnish | a chemical change | the very surface of a metal | tree rules |
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:chemistry:014-tarnish-and-how-metals-change.lesson:2.
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): R7-rel-agree ×2. 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/chemistry/14-tarnish-and-how-metals-change/2/