---
title: A tornado warning means a tornado has been seen or found by radar, s… — Weather emergencies · tree and pragmatics
description: A tornado warning means a tornado has been seen or found by radar, so you take shelter at once. Who acts: tornado warning, you. A sentence of the lesson «Weather emergencies» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Weather emergencies, sentence 7

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A tornado warning means a tornado has been seen or found by radar, so you take shelter at once.

<!-- .vintro -->
**Who acts:** tornado warning, you · **What happens:** mean, see, find, take · **To what, where:** tornado, shelter · **Speech:** someone speaks here

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This is a sentence of the lesson «Weather emergencies» of the everyday 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 (tornado warning, you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:048-weather-emergencies.lesson:7
# text = A tornado warning means a tornado has been seen or found by radar, so you take shelter at once.
# source = school lesson (ours)
# course = everyday
# lesson = 048-weather-emergencies.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	3	det	_	_
2	tornado	tornado	NOUN	NN	Number=Sing	3	compound	_	_
3	warning	warning	NOUN	NN	Number=Sing	4	nsubj	_	_
4	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	tornado	tornado	NOUN	NN	Number=Sing	9	nsubj:pass	_	_
7	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux	_	_
8	been	be	AUX	VBN	Tense=Past|VerbForm=Part	9	aux:pass	_	_
9	seen	see	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	ccomp	_	_
10	or	or	CCONJ	CC	_	11	cc	_	_
11	found	find	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	conj	_	_
12	by	by	ADP	IN	_	13	case	_	_
13	radar	radar	NOUN	NN	Number=Sing	11	obl	_	_
14	,	,	PUNCT	,	_	17	punct	_	_
15	so	so	ADV	RB	_	17	advmod	_	_
16	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	17	nsubj	_	_
17	take	take	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
18	shelter	shelter	NOUN	NN	Number=Sing	17	obj	_	_
19	at	at	ADP	IN	_	20	case	_	_
20	once	once	ADV	RB	_	17	obl	_	_
21	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mean** | present | a tornado warning |  |  |  |  |  | vn intend-61.2-1 «NP V S»: agent=Agent clause=Topic |
| 2 | **see** | present · perfect · passive |  | a tornado |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: subject=Stimulus |
| 3 | **find** | participle |  |  |  |  |  | by radar | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent |
| 4 | **take** | present | you | shelter |  |  |  |  | vn get-13.5.1 «NP V NP PP.source NP.asset»: agent=Agent shelter=Theme at once=Asset |

<!-- .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:everyday:048-weather-emergencies.lesson:7`.

**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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