---
title: When measuring with a ruler you must start from the zero mark. — Measuring the world — length, mass, time and tem… · tree and pragmatics
description: When measuring with a ruler you must start from the zero mark. Who acts: you. 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 15

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When measuring with a ruler you must start from the zero mark.

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**Who acts:** you · **What happens:** measure, start · **To what, where:** zero mark

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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 (you), 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:15
# text = When measuring with a ruler you must start from the zero mark.
# 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): R7-rel-agree ×1
1	When	when	SCONJ	WRB	_	2	mark	_	_
2	measuring	measure	VERB	VBG	Tense=Pres|VerbForm=Part	8	advcl	_	_
3	with	with	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	ruler	ruler	NOUN	NN	Number=Sing	2	obl	_	_
6	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	8	nsubj	_	_
7	must	must	AUX	MD	VerbForm=Fin	8	aux	_	_
8	start	start	VERB	VB	VerbForm=Inf	0	root	_	_
9	from	from	ADP	IN	_	12	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	zero	zero	NUM	CD	NumForm=Word|NumType=Card	12	nummod	_	Agree=R7-rel-agree|Haiku=12:compound|HaikuPos=NOUN:NN:Number=Sing
12	mark	mark	NOUN	NN	Number=Sing	8	obl	_	_
13	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **measure** | gerund | you *not said here* |  |  |  |  | with a ruler | vn register-54.1-2-1 «NP V NP.value»: agent=Theme |
| 2 | **start** | must | you |  |  | the zero mark |  |  | vn begin-55.1-1-1 «NP.eventuality V»: agent=Eventuality |

<!-- .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:world:090-measuring-the-world.lesson:15`.

**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. **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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