---
title: Your brain floats inside your skull, and a hard knock, like a tackle… — Nosebleeds and bumps on the head · tree and pragmatics
description: Your brain floats inside your skull, and a hard knock, like a tackle in rugby, can shake it: that is concussion, and you don't have to be knocked out to have it. Who acts: brain, hard knock, that, you. A sentence of the lesson «Nosebleeds and bumps on the head» of the medicine course of Mova's prima
---

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# Nosebleeds and bumps on the head, sentence 2

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Your brain floats inside your skull, and a hard knock, like a tackle in rugby, can shake it: that is concussion, and you don't have to be knocked out to have it.

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**Who acts:** brain, hard knock, that, you · **What happens:** float, shake, be, not have, knock out, have · **To what, where:** skull, brain, concussion

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This is a sentence of the lesson «Nosebleeds and bumps on the head» 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 (brain, hard knock, that, you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:medicine:005-nosebleeds-and-bumps-on-the-head.lesson:2
# text = Your brain floats inside your skull, and a hard knock, like a tackle in rugby, can shake it: that is concussion, and you don't have to be knocked out to have it.
# source = school lesson (ours)
# course = medicine
# lesson = 005-nosebleeds-and-bumps-on-the-head.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	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	brain	brain	NOUN	NN	Number=Sing	3	nsubj	_	_
3	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	inside	inside	ADP	IN	_	6	case	_	_
5	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	skull	skull	NOUN	NN	Number=Sing	3	obl	_	_
7	,	,	PUNCT	,	_	20	punct	_	_
8	and	and	CCONJ	CC	_	20	cc	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	hard	hard	ADJ	JJ	Degree=Pos	11	amod	_	_
11	knock	knock	NOUN	NN	Number=Sing	20	nsubj	_	_
12	,	,	PUNCT	,	_	15	punct	_	_
13	like	like	ADP	IN	_	15	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	tackle	tackle	NOUN	NN	Number=Sing	11	appos	_	_
16	in	in	ADP	IN	_	17	case	_	_
17	rugby	rugby	NOUN	NN	Number=Sing	15	nmod	_	_
18	,	,	PUNCT	,	_	11	punct	_	_
19	can	can	AUX	MD	VerbForm=Fin	20	aux	_	_
20	shake	shake	VERB	VB	VerbForm=Inf	3	conj	_	_
21	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	20	obj	_	_
22	:	:	PUNCT	:	_	25	punct	_	_
23	that	that	PRON	DT	Number=Sing|PronType=Dem	25	nsubj	_	_
24	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	25	cop	_	_
25	concussion	concussion	NOUN	NN	Number=Sing	20	parataxis	_	_
26	,	,	PUNCT	,	_	31	punct	_	_
27	and	and	CCONJ	CC	_	31	cc	_	_
28	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	31	nsubj	_	_
29	do	do	AUX	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	31	aux	_	_
30	n't	not	PART	RB	Polarity=Neg	31	advmod	_	_
31	have	have	VERB	VB	VerbForm=Inf	20	conj	_	_
32	to	to	PART	TO	_	34	mark	_	_
33	be	be	AUX	VB	VerbForm=Inf	34	aux:pass	_	_
34	knocked	knock	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	31	xcomp	_	_
35	out	out	ADP	RP	_	34	compound:prt	_	_
36	to	to	PART	TO	_	37	mark	_	_
37	have	have	VERB	VB	VerbForm=Inf	34	advcl	_	_
38	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	37	obj	_	_
39	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | Your brain |  |  | your skull |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme inside skull=Trajectory |
| 2 | **shake** | can | a hard knock | brain |  |  |  |  | vn shake-22.3-2 «NP V NP together»: agent=Agent it=Patient |
| 3 | **is a** | present | that | concussion |  |  |  |  | tree rules |
| 4 | **not** **have** | present · do-support | you |  |  |  |  |  | tree rules |
| 5 | **knock out** | to-infinitive · passive | you *not said here* |  |  |  |  |  | vn split-23.2 «NP V apart» |
| 6 | **have** | to-infinitive | you *not said here* | brain |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent it=Patient |

<!-- .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:medicine:005-nosebleeds-and-bumps-on-the-head.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/).

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