---
title: A school backpack should weigh no more than about a tenth to a seven… — Lifting and carrying heavy things · tree and pragmatics
description: A school backpack should weigh no more than about a tenth to a seventh of your body weight. Who acts: school backpack. A sentence of the lesson «Lifting and carrying heavy things» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Lifting and carrying heavy things, sentence 19

<!-- .ven lang=en -->
A school backpack should weigh no more than about a tenth to a seventh of your body weight.

<!-- .vintro -->
**Who acts:** school backpack · **What happens:** weigh · **To what, where:** more

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This is a sentence of the lesson «Lifting and carrying heavy things» 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 (school backpack), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:003-lifting-and-carrying.lesson:19
# text = A school backpack should weigh no more than about a tenth to a seventh of your body weight.
# source = school lesson (ours)
# course = everyday
# lesson = 003-lifting-and-carrying.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	3	det	_	_
2	school	school	NOUN	NN	Number=Sing	3	compound	_	_
3	backpack	backpack	NOUN	NN	Number=Sing	5	nsubj	_	_
4	should	should	AUX	MD	VerbForm=Fin	5	aux	_	_
5	weigh	weigh	VERB	VB	VerbForm=Inf	0	root	_	_
6	no	no	ADV	RB	_	7	advmod	_	_
7	more	more	ADJ	JJR	Degree=Cmp	5	obj	_	_
8	than	than	ADP	IN	_	11	case	_	_
9	about	about	ADV	RB	_	11	advmod	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	tenth	tenth	NOUN	NN	Number=Sing	7	obl	_	_
12	to	to	ADP	IN	_	14	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	seventh	seventh	NOUN	NN	Number=Sing	11	nmod	_	_
15	of	of	ADP	IN	_	18	case	_	_
16	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	18	nmod:poss	_	_
17	body	body	NOUN	NN	Number=Sing	18	compound	_	_
18	weight	weight	NOUN	NN	Number=Sing	14	nmod	_	_
19	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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- 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 | **weigh** | should | a school backpack | more |  |  |  |  | vn register-54.1-2-1 «NP V NP.value»: agent=Theme more=Value |

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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:003-lifting-and-carrying.lesson:19`.

**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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- ← previous: [Lifting and carrying heavy things, 18](https://md.mova.elamur.ai/free/en/corpora/school/everyday/3-lifting-and-carrying/18/)
- next →: [Climbing trees and playgrounds, 0](https://md.mova.elamur.ai/free/en/corpora/school/everyday/4-climbing/0/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/everyday/3-lifting-and-carrying/)