--- title: A bike stays up not by holding still but by steering: whenever it st… — Riding a bike: why it stays up · tree and pragmatics description: A bike stays up not by holding still but by steering: whenever it starts to tip, you turn the front wheel a little into the lean and bring the wheels back under you. Who acts: bike, you. A sentence of the lesson «Riding a bike: why it stays up» of the physics course of Mova's primary school with its --- [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/0/) [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/) / 0 # Riding a bike: why it stays up, sentence 0 A bike stays up not by holding still but by steering: whenever it starts to tip, you turn the front wheel a little into the lean and bring the wheels back under you. **Who acts:** bike, you · **What happens:** stay up, not hold, steer, start, tip, turn · **To what, where:** front wheel, lean, wheels 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 (bike, you), 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:0 # text = A bike stays up not by holding still but by steering: whenever it starts to tip, you turn the front wheel a little into the lean and bring the wheels back under you. # 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): R7-rel-agree ×2, R8-pos-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 bike bike NOUN NN Number=Sing 3 nsubj _ _ 3 stays stay VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 up up ADP RP _ 3 compound:prt _ _ 5 not not PART RB Polarity=Neg 7 advmod _ _ 6 by by SCONJ IN _ 7 mark _ _ 7 holding hold VERB VBG Tense=Pres|VerbForm=Part 3 advcl _ Agree=R7-rel-agree|Haiku=3:conj 8 still still ADV RB _ 7 advmod _ _ 9 but but CCONJ CC _ 11 cc _ _ 10 by by SCONJ IN _ 11 mark _ _ 11 steering steer VERB VBG Tense=Pres|VerbForm=Part 7 conj _ _ 12 : : PUNCT : _ 15 punct _ _ 13 whenever whenever ADV WRB PronType=Rel 15 advmod _ _ 14 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 15 nsubj _ _ 15 starts start VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 11 conj _ _ 16 to to PART TO _ 17 mark _ _ 17 tip tip VERB VB VerbForm=Inf 15 xcomp _ _ 18 , , PUNCT , _ 11 punct _ _ 19 you you PRON PRP Case=Nom|Person=2|PronType=Prs 20 nsubj _ _ 20 turn turn VERB VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 3 parataxis _ Agree=R7-rel-agree|Haiku=3:conj 21 the the DET DT Definite=Def|PronType=Art 23 det _ _ 22 front front ADJ JJ Degree=Pos 23 amod _ _ 23 wheel wheel NOUN NN Number=Sing 20 obj _ _ 24 a a DET DT Definite=Ind|PronType=Art 25 det _ _ 25 little little ADJ JJ Degree=Pos 20 obl:unmarked _ Agree=R8-pos-agree|Haiku=20:obl:unmarked|HaikuPos=NOUN:NN:Number=Sing 26 into into ADP IN _ 28 case _ _ 27 the the DET DT Definite=Def|PronType=Art 28 det _ _ 28 lean lean NOUN NN Number=Sing 20 obl _ _ 29 and and CCONJ CC _ 30 cc _ _ 30 bring bring VERB VB VerbForm=Inf 20 conj _ _ 31 the the DET DT Definite=Def|PronType=Art 32 det _ _ 32 wheels wheel NOUN NNS Number=Plur 30 obj _ _ 33 back back ADV RB _ 30 advmod _ _ 34 under under ADP IN _ 35 case _ _ 35 you you PRON PRP Case=Acc|Person=2|PronType=Prs 30 obl _ _ 36 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **stay up** | present | a bike | | | | | | vn exist-47.1 «NP V»: agent=Theme | | 2 | **not** **hold** | gerund | a bike *not said here* | | | | still | | vn exist-47.1 «NP V»: agent=Theme | | 3 | **steer** | gerund | a bike *not said here* | | | | | | vn accompany-51.7 «NP V NP»: agent=Agent | | 4 | **start** | present | bike | | | | | whenever *property* | vn begin-55.1-1-1 «NP V S\_INF»: agent=Agent clause=Eventuality | | 5 | **tip** | to-infinitive | bike *not said here* | | | | | | vn throw-17.1-1-1 «NP V NP»: agent=Agent | | 6 | **turn** | present | you | the front wheel | | the lean | | a little *obl:unmarked* | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent wheel=Theme into lean=Trajectory | | 7 | **bring back** | infinitive | you *not said here* | the wheels | | | | under you | vn bring-11.3-1 «NP V NP together»: agent=Agent wheel=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:0`. **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, 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: [Balance: the centre of gravity, 15](https://md.mova.elamur.ai/free/en/corpora/school/physics/8-balance-the-centre-of-gravity/15/) - next →: [Riding a bike: why it stays up, 1](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/1/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/9-riding-a-bike/)