--- title: An unbuckled helmet comes off in a crash before the head hits the gr… — Bike helmets and roads · tree and pragmatics description: An unbuckled helmet comes off in a crash before the head hits the ground. Who acts: unbuckled helmet, head. A sentence of the lesson «Bike helmets and roads» of the medicine course of Mova's primary school with its dependency tree and the pragmatics of every clause. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/medicine/72-bike-helmets-and-roads/8/) [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/) / [Medicine](https://md.mova.elamur.ai/free/en/corpora/school/medicine/) / [Bike helmets and roads](https://md.mova.elamur.ai/free/en/corpora/school/medicine/72-bike-helmets-and-roads/) / 8 # Bike helmets and roads, sentence 8 An unbuckled helmet comes off in a crash before the head hits the ground. **Who acts:** unbuckled helmet, head · **What happens:** come off, hit · **To what, where:** crash, ground This is a sentence of the lesson «Bike helmets and roads» of the medicine 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 (unbuckled helmet, head), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:medicine:072-bike-helmets-and-roads.lesson:8 # text = An unbuckled helmet comes off in a crash before the head hits the ground. # source = school lesson (ours) # course = medicine # lesson = 072-bike-helmets-and-roads.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): R8-pos-agree ×1 1 An a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 unbuckled unbuckle ADJ JJ Degree=Pos 3 amod _ Agree=R8-pos-agree|Haiku=3:amod|HaikuPos=VERB:VBN:Tense=Past|VerbForm=Part|Voice=Pass 3 helmet helmet NOUN NN Number=Sing 4 nsubj _ _ 4 comes come VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 off off ADP RP _ 4 compound:prt _ _ 6 in in ADP IN _ 8 case _ _ 7 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 8 crash crash NOUN NN Number=Sing 4 obl _ _ 9 before before SCONJ IN _ 12 mark _ _ 10 the the DET DT Definite=Def|PronType=Art 11 det _ _ 11 head head NOUN NN Number=Sing 12 nsubj _ _ 12 hits hit VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 advcl _ _ 13 the the DET DT Definite=Def|PronType=Art 14 det _ _ 14 ground ground NOUN NN Number=Sing 12 obj _ _ 15 . . PUNCT . _ 4 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **come off** | present | a unbuckled helmet | | | a crash | | | vn occur-48.3-2 «NP V PP»: agent=Theme in crash=Location | | 2 | **hit** | present | the head | the ground | | | | | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme ground=Co-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:medicine:072-bike-helmets-and-roads.lesson:8`. **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): R8-pos-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: [Bike helmets and roads, 7](https://md.mova.elamur.ai/free/en/corpora/school/medicine/72-bike-helmets-and-roads/7/) - next →: [Bike helmets and roads, 9](https://md.mova.elamur.ai/free/en/corpora/school/medicine/72-bike-helmets-and-roads/9/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/medicine/72-bike-helmets-and-roads/)