Power stations and the grid, sentence 14
A transformer has two coils of wire round an iron core and changes the voltage, up for long lines and down for homes; substations hum because the iron vibrates.
Who acts: transformer, substations, iron · What happens: have, change, hum, vibrate · To what, where: two coils, voltage
This is a sentence of the lesson «Power stations and the grid» of the technology 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 (transformer, substations, iron), 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 | A | a | DET | Definite=Ind PronType=Art | 2 transformer | det |
| 2 | transformer | transformer | NOUN | Number=Sing | 3 has | nsubj |
| 3 | has | have | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | two | two | NUM | NumForm=Word NumType=Card | 5 coils | nummod |
| 5 | coils | coil | NOUN | Number=Plur | 3 has | obj |
| 6 | of | of | ADP | _ | 7 wire | case |
| 7 | wire | wire | NOUN | Number=Sing | 5 coils | nmod |
| 8 | round | round | ADP | _ | 11 core | case |
| 9 | an | a | DET | Definite=Ind PronType=Art | 11 core | det |
| 10 | iron | iron | NOUN | Number=Sing | 11 core | compound |
| 11 | core | core | NOUN | Number=Sing | 5 coils | nmod |
| 12 | and | and | CCONJ | _ | 13 changes | cc |
| 13 | changes | change | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 3 has | conj |
| 14 | the | the | DET | Definite=Def PronType=Art | 15 voltage | det |
| 15 | voltage | voltage | NOUN | Number=Sing | 13 changes | obj |
| 16 | , | , | PUNCT | _ | 20 lines | punct |
| 17 | up | up | ADV | _ | 20 lines | advmod |
| 18 | for | for | ADP | _ | 20 lines | case |
| 19 | long | long | ADJ | Degree=Pos | 20 lines | amod |
| 20 | lines | line | NOUN | Number=Plur | 13 changes | obl |
| 21 | and | and | CCONJ | _ | 24 homes | cc |
| 22 | down | down | ADV | _ | 24 homes | advmod |
| 23 | for | for | ADP | _ | 24 homes | case |
| 24 | homes | home | NOUN | Number=Plur | 20 lines | conj |
| 25 | ; | ; | PUNCT | _ | 27 hum | punct |
| 26 | substations | substation | NOUN | Number=Plur | 27 hum | nsubj |
| 27 | hum | hum | VERB | Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin | 3 has | parataxis |
| 28 | because | because | SCONJ | _ | 31 vibrates | mark |
| 29 | the | the | DET | Definite=Def PronType=Art | 30 iron | det |
| 30 | iron | iron | NOUN | Number=Sing | 31 vibrates | nsubj |
| 31 | vibrates | vibrate | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 27 hum | advcl |
| 32 | . | . | PUNCT | _ | 3 has | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | have | present | a transformer | two coils of wire | round a iron core | vn birth-28.2-1 «NP V NP»: agent=Agent coil=Patient | |||
| 2 | change | present | a transformer not said here | the voltage | for long lines and homes | vn exchange-13.6.1 «NP V NP PP.co-theme»: agent=Agent voltage=Theme for line=Co-Theme | |||
| 3 | hum | present | substations | vn bulge-47.5.3 «NP V»: agent=Location | |||||
| 4 | vibrate | present | the iron | vn other_cos-45.4 «NP.patient V»: agent=Patient |
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:technology:032-power-stations-and-the-grid.lesson:14.
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/technology/32-power-stations-and-the-grid/14/