Why planes fly, sentence 17
A glider has no engine; it is towed up and then floats on rising warm air, and gliders can stay up for hours and fly hundreds of kilometres.
Who acts: glider, gliders · What happens: have, tow up, float, rise, stay up, fly · To what, where: engine, glider, rising warm air, hundreds
This is a sentence of the lesson «Why planes fly» 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 (glider, gliders), 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 glider | det |
| 2 | glider | glider | NOUN | Number=Sing | 3 has | nsubj |
| 3 | has | have | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | root | root |
| 4 | no | no | DET | PronType=Neg | 5 engine | det |
| 5 | engine | engine | NOUN | Number=Sing | 3 has | obj |
| 6 | ; | ; | PUNCT | _ | 9 towed | punct |
| 7 | it | it | PRON | Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs | 9 towed | nsubj:pass |
| 8 | is | be | AUX | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 9 towed | aux:pass |
| 9 | towed | tow | VERB | Tense=Past VerbForm=Part Voice=Pass | 3 has | parataxis |
| 10 | up | up | ADP | _ | 9 towed | compound:prt |
| 11 | and | and | CCONJ | _ | 13 floats | cc |
| 12 | then | then | ADV | PronType=Dem | 13 floats | advmod |
| 13 | floats | float | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 9 towed | conj |
| 14 | on | on | ADP | _ | 17 air | case |
| 15 | rising | rise | VERB | Tense=Pres VerbForm=Part | 17 air | amod |
| 16 | warm | warm | ADJ | Degree=Pos | 17 air | amod |
| 17 | air | air | NOUN | Number=Sing | 13 floats | obl |
| 18 | , | , | PUNCT | _ | 22 stay | punct |
| 19 | and | and | CCONJ | _ | 22 stay | cc |
| 20 | gliders | glider | NOUN | Number=Plur | 22 stay | nsubj |
| 21 | can | can | AUX | VerbForm=Fin | 22 stay | aux |
| 22 | stay | stay | VERB | VerbForm=Inf | 3 has | conj |
| 23 | up | up | ADP | _ | 22 stay | compound:prt |
| 24 | for | for | ADP | _ | 25 hours | case |
| 25 | hours | hour | NOUN | Number=Plur | 22 stay | obl |
| 26 | and | and | CCONJ | _ | 27 fly | cc |
| 27 | fly | fly | VERB | VerbForm=Inf | 22 stay | conj |
| 28 | hundreds | hundred | NOUN | Number=Plur | 27 fly | obj |
| 29 | of | of | ADP | _ | 30 kilometres | case |
| 30 | kilometres | kilometre | NOUN | Number=Plur | 28 hundreds | nmod |
| 31 | . | . | 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 glider | no engine | vn birth-28.2-1 «NP V NP»: agent=Agent engine=Patient | ||||
| 2 | tow up | present · passive | glider | vn carry-11.4 «NP V NP»: subject=Theme | |||||
| 3 | float | present | rising warm air | then | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on air=Trajectory | ||||
| 4 | rise | gerund | vn assuming_position-50 «NP V»: agent=Agent | ||||||
| 5 | stay up | can | gliders | hour | vn exist-47.1 «NP V»: agent=Theme | ||||
| 6 | fly | infinitive | gliders not said here | hundreds of kilometres | vn spatial_configuration-47.6-1 «PP.location V NP»: agent=Location hundred=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:technology:022-why-planes-fly.lesson:17.
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): R2-punct-next ×1, R7-rel-agree ×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/technology/22-why-planes-fly/17/