---
title: A periscope uses two mirrors to let you see over things. — Mirrors, shadows and colours · tree and pragmatics
description: A periscope uses two mirrors to let you see over things. Who acts: periscope, you. A sentence of the lesson «Mirrors, shadows and colours» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/14/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / [Mirrors, shadows and colours](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/) / 14

# Mirrors, shadows and colours, sentence 14

<!-- .ven lang=en -->
A periscope uses two mirrors to let you see over things.

<!-- .vintro -->
**Who acts:** periscope, you · **What happens:** use, let, see over · **To what, where:** two mirrors, you, things

<!-- .vabout -->
This is a sentence of the lesson «Mirrors, 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 (periscope, you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:084-mirrors-shadows-colours.lesson:14
# text = A periscope uses two mirrors to let you see over things.
# source = school lesson (ours)
# course = world
# lesson = 084-mirrors-shadows-colours.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	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	periscope	periscope	NOUN	NN	Number=Sing	3	nsubj	_	_
3	uses	use	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	two	two	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	mirrors	mirror	NOUN	NNS	Number=Plur	3	obj	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	let	let	VERB	VB	VerbForm=Inf	3	advcl	_	_
8	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	7	obj	_	_
9	see	see	VERB	VB	VerbForm=Inf	7	xcomp	_	_
10	over	over	ADV	RB	_	9	advmod	_	_
11	things	thing	NOUN	NNS	Number=Plur	9	obl	_	Agree=R7-rel-agree|Haiku=9:obj
12	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | **use** | present | a periscope | two mirrors |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent mirror=Patient |
| 2 | **let** | to-infinitive | a periscope *not said here* | you |  |  |  |  | tree rules |
| 3 | **see over** | infinitive | you *not said here* | things |  |  |  | over *property* | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

<!-- .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.

<!-- div src -->

**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:084-mirrors-shadows-colours.lesson:14`.

**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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Mirrors, shadows and colours, 13](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/13/)
- next →: [Mirrors, shadows and colours, 15](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/15/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/)