---
title: A triangle has 3 sides. — Perimeter: all the way round a triangle · tree and pragmatics
description: A triangle has 3 sides. Who acts: triangle. A sentence of the lesson «Perimeter: all the way round a triangle» of the lessons course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Perimeter: all the way round a triangle, sentence 1

<!-- .ven lang=en -->
A triangle has 3 sides.

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**Who acts:** triangle · **What happens:** have · **To what, where:** 3 sides

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This is a sentence of the lesson «Perimeter: all the way round a triangle» of the lessons 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 (triangle), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:lessons:136-perimeter-of-a-triangle.lesson:1
# text = A triangle has 3 sides.
# source = school lesson (ours)
# course = lessons
# lesson = 136-perimeter-of-a-triangle.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	triangle	triangle	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	3	3	NUM	CD	NumForm=Digit|NumType=Card	5	nummod	_	_
5	sides	side	NOUN	NNS	Number=Plur	3	obj	_	_
6	.	.	PUNCT	.	_	3	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 | **have** | present | a triangle | 3 sides |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent side=Patient |

<!-- .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:lessons:136-perimeter-of-a-triangle.lesson:1`.

**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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