--- title: Bikes are also built to help: the shape of the front fork (the two a… — Riding a bike: why it stays up · tree and pragmatics description: Bikes are also built to help: the shape of the front fork (the two arms holding the front wheel) makes the front wheel turn into a lean by itself, so a riderless bike pushed along rolls a long way upright. Who acts: two arms, shape, front wheel, riderless bike. A sentence of the lesson «Riding a bik --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/2/) [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/) / [Riding a bike: why it stays up](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/) / 2 # Riding a bike: why it stays up, sentence 2 Bikes are also built to help: the shape of the front fork (the two arms holding the front wheel) makes the front wheel turn into a lean by itself, so a riderless bike pushed along rolls a long way upright. **Who acts:** two arms, shape, front wheel, riderless bike · **What happens:** build, help, hold, make, turn, push along · **To what, where:** Bikes, front wheel, lean, riderless bike, long way This is a sentence of the lesson «Riding a bike: why it stays up» 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 (two arms, shape, front wheel, riderless bike), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:physics:009-riding-a-bike.lesson:2 # text = Bikes are also built to help: the shape of the front fork (the two arms holding the front wheel) makes the front wheel turn into a lean by itself, so a riderless bike pushed along rolls a long way upright. # source = school lesson (ours) # course = physics # lesson = 009-riding-a-bike.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): no change 1 Bikes bike NOUN NNS Number=Plur 4 nsubj:pass _ _ 2 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 aux:pass _ _ 3 also also ADV RB _ 4 advmod _ _ 4 built build VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 5 to to PART TO _ 6 mark _ _ 6 help help VERB VB VerbForm=Inf 4 advcl _ _ 7 : : PUNCT : _ 23 punct _ _ 8 the the DET DT Definite=Def|PronType=Art 9 det _ _ 9 shape shape NOUN NN Number=Sing 23 nsubj _ _ 10 of of ADP IN _ 13 case _ _ 11 the the DET DT Definite=Def|PronType=Art 13 det _ _ 12 front front ADJ JJ Degree=Pos 13 amod _ _ 13 fork fork NOUN NN Number=Sing 9 nmod _ _ 14 ( ( PUNCT -LRB- _ 17 punct _ _ 15 the the DET DT Definite=Def|PronType=Art 17 det _ _ 16 two two NUM CD NumForm=Word|NumType=Card 17 nummod _ _ 17 arms arm NOUN NNS Number=Plur 13 appos _ _ 18 holding hold VERB VBG VerbForm=Ger 17 acl _ _ 19 the the DET DT Definite=Def|PronType=Art 21 det _ _ 20 front front ADJ JJ Degree=Pos 21 amod _ _ 21 wheel wheel NOUN NN Number=Sing 18 obj _ _ 22 ) ) PUNCT -RRB- _ 17 punct _ _ 23 makes make VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 parataxis _ _ 24 the the DET DT Definite=Def|PronType=Art 26 det _ _ 25 front front ADJ JJ Degree=Pos 26 amod _ _ 26 wheel wheel NOUN NN Number=Sing 23 obj _ _ 27 turn turn VERB VB VerbForm=Inf 23 xcomp _ _ 28 into into ADP IN _ 30 case _ _ 29 a a DET DT Definite=Ind|PronType=Art 30 det _ _ 30 lean lean NOUN NN Number=Sing 27 obl _ _ 31 by by ADP IN _ 32 case _ _ 32 itself itself PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs|Reflex=Yes 27 obl _ _ 33 , , PUNCT , _ 37 punct _ _ 34 so so ADV RB _ 40 advmod _ _ 35 a a DET DT Definite=Ind|PronType=Art 37 det _ _ 36 riderless riderless ADJ JJ Degree=Pos 37 amod _ _ 37 bike bike NOUN NN Number=Sing 40 nsubj _ _ 38 pushed push VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 37 acl _ _ 39 along along ADP RP _ 38 compound:prt _ _ 40 rolls roll VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 23 conj _ _ 41 a a DET DT Definite=Ind|PronType=Art 43 det _ _ 42 long long ADJ JJ Degree=Pos 43 amod _ _ 43 way way NOUN NN Number=Sing 40 obl:unmarked _ _ 44 upright upright ADV RB _ 40 advmod _ _ 45 . . 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 | **build** | present · passive | | Bikes | | | | | vn build-26.1-1 «NP.asset V NP»: subject=Product | | 2 | **help** | to-infinitive | | | | | | | vn help-72.1-1-1 «NP V PP.theme»: agent=Agent | | 3 | **hold** | gerund | the two arms *not said here* | the front wheel | | | | | vn keep-15.2 «NP V NP»: agent=Agent wheel=Theme | | 4 | **make** | present | the shape of the front fork | the front wheel | | | | | tree rules | | 5 | **turn** | infinitive | the front wheel *not said here* | | | a lean | | by bike | vn roll-51.3.1 «NP.theme V PP.source PP.trajectory PP.destination»: agent=Theme into lean=Source by itself=Trajectory | | 6 | **push along** | participle | | a riderless bike *not said here* | | | | | vn push-12-1-1 «NP V PP»: agent=Agent | | 7 | **roll** | present | a riderless bike | a long way | | | | upright *property* | vn run-51.3.2-2 «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:009-riding-a-bike.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): no change. **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: [Riding a bike: why it stays up, 1](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/1/) - next →: [Riding a bike: why it stays up, 3](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/3/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/)