---
title: Light travels in straight lines. — Light, shadows and colours · tree and pragmatics
description: Light travels in straight lines. Who acts: Light. A sentence of the lesson «Light, shadows and colours» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Light, shadows and colours, sentence 2

<!-- .ven lang=en -->
Light travels in straight lines.

<!-- .vintro -->
**Who acts:** Light · **What happens:** travel · **To what, where:** straight lines

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This is a sentence of the lesson «Light, shadows and colours» 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 (Light), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:053-light.lesson:2
# text = Light travels in straight lines.
# source = school lesson (ours)
# course = world
# lesson = 053-light.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	Light	light	NOUN	NN	Number=Sing	2	nsubj	_	_
2	travels	travel	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	straight	straight	ADJ	JJ	Degree=Pos	5	amod	_	_
5	lines	line	NOUN	NNS	Number=Plur	2	obl	_	_
6	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
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 | **travel** | present | Light |  |  | straight lines |  |  | vn run-51.3.2-1 «NP V PP.location»: agent=Theme in line=Trajectory |

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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:053-light.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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- ← previous: [Light, shadows and colours, 1](https://md.mova.elamur.ai/free/en/corpora/school/world/53-light/1/)
- next →: [Light, shadows and colours, 3](https://md.mova.elamur.ai/free/en/corpora/school/world/53-light/3/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/53-light/)