---
title: A boy in Michigan kept leaning back on two legs of his chair; it sli… — Classroom rules and homework · tree and pragmatics
description: A boy in Michigan kept leaning back on two legs of his chair; it slid out and he cracked the back of his head on the floor and had to go home with a concussion (a brain injury from a knock to the head). Who acts: boy, worksheet. A sentence of the lesson «Classroom rules and homework» of the everyday
---

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# Classroom rules and homework, sentence 20

<!-- .ven lang=en -->
A boy in Michigan kept leaning back on two legs of his chair; it slid out and he cracked the back of his head on the floor and had to go home with a concussion (a brain injury from a knock to the head).

<!-- .vintro -->
**Who acts:** boy, worksheet · **What happens:** keep, lean back, slide out, crack, have, go · **To what, where:** two legs, back, floor

<!-- .vabout -->
This is a sentence of the lesson «Classroom rules and homework» of the everyday 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 (boy, worksheet), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:254-classroom-rules-and-homework.lesson:20
# text = A boy in Michigan kept leaning back on two legs of his chair; it slid out and he cracked the back of his head on the floor and had to go home with a concussion (a brain injury from a knock to the head).
# source = school lesson (ours)
# course = everyday
# lesson = 254-classroom-rules-and-homework.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	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	boy	boy	NOUN	NN	Number=Sing	5	nsubj	_	_
3	in	in	ADP	IN	_	4	case	_	_
4	Michigan	Michigan	PROPN	NNP	Number=Sing	2	nmod	_	_
5	kept	keep	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	leaning	lean	VERB	VBG	VerbForm=Ger	5	xcomp	_	_
7	back	back	ADV	RB	_	6	advmod	_	_
8	on	on	ADP	IN	_	10	case	_	_
9	two	two	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
10	legs	leg	NOUN	NNS	Number=Plur	6	obl	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	chair	chair	NOUN	NN	Number=Sing	10	nmod	_	_
14	;	;	PUNCT	,	_	16	punct	_	_
15	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	nsubj	_	_
16	slid	slide	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	parataxis	_	_
17	out	out	ADP	RP	_	16	compound:prt	_	_
18	and	and	CCONJ	CC	_	20	cc	_	_
19	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	20	nsubj	_	_
20	cracked	crack	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	16	conj	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	22	det	_	_
22	back	back	NOUN	NN	Number=Sing	20	obj	_	_
23	of	of	ADP	IN	_	25	case	_	_
24	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	25	nmod:poss	_	_
25	head	head	NOUN	NN	Number=Sing	22	nmod	_	_
26	on	on	ADP	IN	_	28	case	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
28	floor	floor	NOUN	NN	Number=Sing	20	obl	_	_
29	and	and	CCONJ	CC	_	30	cc	_	_
30	had	have	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	20	conj	_	_
31	to	to	PART	TO	_	32	mark	_	_
32	go	go	VERB	VB	VerbForm=Inf	30	xcomp	_	_
33	home	home	ADV	RB	_	32	advmod	_	_
34	with	with	ADP	IN	_	36	case	_	_
35	a	a	DET	DT	Definite=Ind|PronType=Art	36	det	_	_
36	concussion	concussion	NOUN	NN	Number=Sing	32	obl	_	_
37	(	(	PUNCT	-LRB-	_	40	punct	_	_
38	a	a	DET	DT	Definite=Ind|PronType=Art	40	det	_	_
39	brain	brain	NOUN	NN	Number=Sing	40	compound	_	_
40	injury	injury	NOUN	NN	Number=Sing	36	appos	_	_
41	from	from	ADP	IN	_	43	case	_	_
42	a	a	DET	DT	Definite=Ind|PronType=Art	43	det	_	_
43	knock	knock	NOUN	NN	Number=Sing	40	nmod	_	_
44	to	to	ADP	IN	_	46	case	_	_
45	the	the	DET	DT	Definite=Def|PronType=Art	46	det	_	_
46	head	head	NOUN	NN	Number=Sing	43	nmod	_	_
47	)	)	PUNCT	-RRB-	_	40	punct	_	_
48	.	.	PUNCT	.	_	5	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 | **keep** | past | a boy in Michigan |  |  |  |  |  | tree rules |
| 2 | **lean back** | gerund | a boy in Michigan *not said here* |  |  | two legs of boy's chair |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent on leg=Location |
| 3 | **slide out** | past | worksheet |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 4 | **crack** | past | boy | the back of boy's head |  | the floor |  |  | vn sound\_emission-43.2 «PP.location V NP»: agent=Location back=Theme |
| 5 | **have** | past | boy *not said here* |  |  |  |  |  | tree rules |
| 6 | **go** | to-infinitive | boy *not said here* |  |  |  |  | with a concussion; home *property* | vn help-72.1-2 «NP V PP.beneficiary»: agent=Agent with concussion=Beneficiary |

<!-- .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:everyday:254-classroom-rules-and-homework.lesson:20`.

**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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