Riding a bike: why it stays up, sentence 16
If a front wheel starts to wobble at high speed downhill, grip lightly, press a knee on the frame and slow down gently.
Who acts: front wheel, you · What happens: start, wobble, grip, press, slow down · To what, where: high speed, knee, frame
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 (front wheel, you), 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 | If | if | SCONJ | _ | 5 starts | mark |
| 2 | a | a | DET | Definite=Ind PronType=Art | 4 wheel | det |
| 3 | front | front | ADJ | Degree=Pos | 4 wheel | amod |
| 4 | wheel | wheel | NOUN | Number=Sing | 5 starts | nsubj |
| 5 | starts | start | VERB | Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin | 13 grip | advcl |
| 6 | to | to | PART | _ | 7 wobble | mark |
| 7 | wobble | wobble | VERB | VerbForm=Inf | 5 starts | xcomp |
| 8 | at | at | ADP | _ | 10 speed | case |
| 9 | high | high | ADJ | Degree=Pos | 10 speed | amod |
| 10 | speed | speed | NOUN | Number=Sing | 7 wobble | obl |
| 11 | downhill | downhill | ADV | _ | 7 wobble | advmod |
| 12 | , | , | PUNCT | _ | 13 grip | punct |
| 13 | grip | grip | VERB | Mood=Imp VerbForm=Fin | root | root |
| 14 | lightly | lightly | ADV | _ | 13 grip | advmod |
| 15 | , | , | PUNCT | _ | 16 press | punct |
| 16 | press | press | VERB | Mood=Imp VerbForm=Fin | 13 grip | conj |
| 17 | a | a | DET | Definite=Ind PronType=Art | 18 knee | det |
| 18 | knee | knee | NOUN | Number=Sing | 16 press | obj |
| 19 | on | on | ADP | _ | 21 frame | case |
| 20 | the | the | DET | Definite=Def PronType=Art | 21 frame | det |
| 21 | frame | frame | NOUN | Number=Sing | 16 press | obl |
| 22 | and | and | CCONJ | _ | 23 slow | cc |
| 23 | slow | slow | VERB | Mood=Imp VerbForm=Fin | 16 press | conj |
| 24 | down | down | ADP | _ | 23 slow | compound:prt |
| 25 | gently | gently | ADV | _ | 23 slow | advmod |
| 26 | . | . | PUNCT | _ | 13 grip | punct |
Pragmatics
No stored speech act for this sentence.
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
|---|---|---|---|---|---|---|---|---|---|
| 1 | start a condition, not said to happen | present | a front wheel | vn begin-55.1-1-1 «NP V S_INF»: agent=Agent clause=Eventuality | |||||
| 2 | wobble | to-infinitive | a front wheel not said here | high speed | downhill property | vn modes_of_being_with_motion-47.3 «NP V PP.location»: agent=Theme at speed=Location | |||
| 3 | grip | imperative | you not said here | lightly property | vn touch-20-1 «NP V NP»: agent=Agent | ||||
| 4 | press | infinitive | you not said here | a knee | the frame | vn push-12-1-1 «NP V NP»: agent=Agent knee=Theme | |||
| 5 | slow down | infinitive | you not said here | gently property | vn other_cos-45.4 «NP.patient V»: agent=Patient |
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:physics:009-riding-a-bike.lesson:16.
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 ×3, R6-punct-agree ×2. 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/physics/9-riding-a-bike/16/