---
title: The kneecap protects the front of the knee and helps the thigh muscl… — Bones by name: hips, legs and feet, and the extr… · tree and pragmatics
description: The kneecap protects the front of the knee and helps the thigh muscles pull; in babies it is soft cartilage that turns to bone over the first years. Who acts: kneecap, thigh muscles, soft cartilage. A sentence of the lesson «Bones by name: hips, legs and feet, and the extra bones of a baby» of the b
---

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# Bones by name: hips, legs and feet, and the extra bones of a baby, sentence 5

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The kneecap protects the front of the knee and helps the thigh muscles pull; in babies it is soft cartilage that turns to bone over the first years.

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**Who acts:** kneecap, thigh muscles, soft cartilage · **What happens:** protect, help, pull, be, turn · **To what, where:** front, soft cartilage, babies, bone

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This is a sentence of the lesson «Bones by name: hips, legs and feet, and the extra bones of a baby» of the biology 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 (kneecap, thigh muscles, soft cartilage), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:359-bones-by-name-hips-legs-and-feet-and-the-extra-bones-of-a-baby.lesson:5
# text = The kneecap protects the front of the knee and helps the thigh muscles pull; in babies it is soft cartilage that turns to bone over the first years.
# source = school lesson (ours)
# course = biology
# lesson = 359-bones-by-name-hips-legs-and-feet-and-the-extra-bones-of-a-baby.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 ×1, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	kneecap	kneecap	NOUN	NN	Number=Sing	3	nsubj	_	_
3	protects	protect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	front	front	NOUN	NN	Number=Sing	3	obj	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	knee	knee	NOUN	NN	Number=Sing	5	nmod	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
12	thigh	thigh	NOUN	NN	Number=Sing	13	compound	_	_
13	muscles	muscle	NOUN	NNS	Number=Plur	14	nsubj	_	_
14	pull	pull	VERB	VB	VerbForm=Inf	10	xcomp	_	Agree=R7-rel-agree|Haiku=10:ccomp|HaikuPos=VERB:VBP:Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin
15	;	;	PUNCT	,	_	3	punct	_	_
16	in	in	ADP	IN	_	17	case	_	_
17	babies	baby	NOUN	NNS	Number=Plur	21	obl	_	_
18	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	21	nsubj	_	_
19	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	cop	_	_
20	soft	soft	ADJ	JJ	Degree=Pos	21	amod	_	_
21	cartilage	cartilage	NOUN	NN	Number=Sing	3	parataxis	_	_
22	that	that	PRON	WDT	PronType=Rel	23	nsubj	_	_
23	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	acl:relcl	_	_
24	to	to	ADP	IN	_	25	case	_	Agree=R8-pos-agree|Haiku=25:case|HaikuPos=ADP:TO:_
25	bone	bone	NOUN	NN	Number=Sing	23	obl	_	_
26	over	over	ADP	IN	_	29	case	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
28	first	first	ADJ	JJ	Degree=Pos|NumForm=Word|NumType=Ord	29	amod	_	_
29	years	year	NOUN	NNS	Number=Plur	23	obl	_	_
30	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **protect** | present | the kneecap | the front of the knee |  |  |  |  | vn defend-72.3 «NP V NP»: agent=Agent front=Beneficiary |
| 2 | **help** | present | the kneecap *not said here* |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 3 | **pull** | infinitive | the thigh muscles |  |  |  |  |  | vn slide-11.2 «NP V»: agent=Theme |
| 4 | **is a** | present | kneecap | soft cartilage |  | babies |  |  | tree rules |
| 5 | **turn** | present | soft cartilage |  |  | bone | year |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme to bone=Trajectory |

<!-- .note -->
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.

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**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:biology:359-bones-by-name-hips-legs-and-feet-and-the-extra-bones-of-a-baby.lesson:5`.

**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 ×1, 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/).

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