--- title: An escalator is a long loop of steps pulled round by a motor and gea… — Pulleys, gears and big machines · tree and pragmatics description: An escalator is a long loop of steps pulled round by a motor and gears, and the steps flatten at the ends so you can step on and off. Who acts: steps, you. A sentence of the lesson «Pulleys, gears and big machines» of the physics course of Mova's primary school with its dependency tree and the pragm --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/35-pulleys-gears-and-big-machines/12/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/school/physics/) / [Pulleys, gears and big machines](https://md.mova.elamur.ai/free/en/corpora/school/physics/35-pulleys-gears-and-big-machines/) / 12 # Pulleys, gears and big machines, sentence 12 An escalator is a long loop of steps pulled round by a motor and gears, and the steps flatten at the ends so you can step on and off. **Who acts:** steps, you · **What happens:** be, pull round, flatten, step · **To what, where:** long loop, steps, ends This is a sentence of the lesson «Pulleys, gears and big machines» of the physics 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 (steps, you), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:035-pulleys-gears-and-big-machines.lesson:12 # text = An escalator is a long loop of steps pulled round by a motor and gears, and the steps flatten at the ends so you can step on and off. # source = school lesson (ours) # course = physics # lesson = 035-pulleys-gears-and-big-machines.lesson # annotation = 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 ×2, R6-punct-agree ×1 1 An a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 escalator escalator NOUN NN Number=Sing 6 nsubj:pass _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 cop _ _ 4 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 5 long long ADJ JJ Degree=Pos 6 amod _ _ 6 loop loop NOUN NN Number=Sing 0 root _ _ 7 of of ADP IN _ 8 case _ _ 8 steps step NOUN NNS Number=Plur 6 nmod _ _ 9 pulled pull VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 8 acl _ Agree=R5-strong|Haiku=6:acl 10 round round ADV RB _ 9 advmod _ _ 11 by by ADP IN _ 13 case _ _ 12 a a DET DT Definite=Ind|PronType=Art 13 det _ _ 13 motor motor NOUN NN Number=Sing 9 obl _ _ 14 and and CCONJ CC _ 15 cc _ _ 15 gears gear NOUN NNS Number=Plur 13 conj _ _ 16 , , PUNCT , _ 20 punct _ _ 17 and and CCONJ CC _ 20 cc _ _ 18 the the DET DT Definite=Def|PronType=Art 19 det _ _ 19 steps step NOUN NNS Number=Plur 20 nsubj _ _ 20 flatten flatten VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 9 conj _ _ 21 at at ADP IN _ 23 case _ _ 22 the the DET DT Definite=Def|PronType=Art 23 det _ _ 23 ends end NOUN NNS Number=Plur 20 obl _ _ 24 so so SCONJ IN _ 27 mark _ _ 25 you you PRON PRP Case=Nom|Person=2|PronType=Prs 27 nsubj _ _ 26 can can AUX MD VerbForm=Fin 27 aux _ _ 27 step step VERB VB VerbForm=Inf 20 advcl _ _ 28 on on ADP IN _ 27 obl _ _ 29 and and CCONJ CC _ 30 cc _ _ 30 off off ADP RP _ 28 conj _ Agree=R5-strong|Haiku=9:compound:prt 31 . . PUNCT . _ 6 punct _ Agree=R6-punct-agree|Haiku=9:punct ``` ## Pragmatics {#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 · passive | | a long loop | | | | of steps | tree rules | | 2 | **pull round** | participle | | steps *not said here* | | | | by a motor and gears; round *property* | vn slide-11.2 «NP V»: agent=Theme | | 3 | **flatten** | present | the steps | | | | at the ends | | vn carve-21.2-1 «NP V ADVP-Middle»: agent=Patient | | 4 | **step** | can | you | | | | | | vn run-51.3.2 «NP V»: agent=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](https://creativecommons.org/licenses/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:physics:035-pulleys-gears-and-big-machines.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 ×2, R6-punct-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](https://md.mova.elamur.ai/free/en/releases/0.4/). - ← previous: [Pulleys, gears and big machines, 11](https://md.mova.elamur.ai/free/en/corpora/school/physics/35-pulleys-gears-and-big-machines/11/) - next →: [Pulleys, gears and big machines, 13](https://md.mova.elamur.ai/free/en/corpora/school/physics/35-pulleys-gears-and-big-machines/13/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/35-pulleys-gears-and-big-machines/)