---
title: One litre of water has a mass of about one kilogram. — Measuring the world — length, mass, time and tem… · tree and pragmatics
description: One litre of water has a mass of about one kilogram. Who acts: One litre. A sentence of the lesson «Measuring the world — length, mass, time and temperature» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Measuring the world — length, mass, time and temperature, sentence 9

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One litre of water has a mass of about one kilogram.

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**Who acts:** One litre · **What happens:** have · **To what, where:** mass

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This is a sentence of the lesson «Measuring the world — length, mass, time and temperature» of the world 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 (One litre), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:090-measuring-the-world.lesson:9
# text = One litre of water has a mass of about one kilogram.
# source = school lesson (ours)
# course = world
# lesson = 090-measuring-the-world.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	One	one	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	litre	litre	NOUN	NN	Number=Sing	5	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	water	water	NOUN	NN	Number=Sing	2	nmod	_	_
5	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	mass	mass	NOUN	NN	Number=Sing	5	obj	_	_
8	of	of	ADP	IN	_	11	case	_	_
9	about	about	ADV	RB	_	10	advmod	_	_
10	one	one	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	kilogram	kilogram	NOUN	NN	Number=Sing	7	nmod	_	_
12	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | One litre of water | a mass of one kilogram |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent mass=Patient |

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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:world:090-measuring-the-world.lesson:9`.

**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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