---
title: If the authorities had warned Kyiv at once, what might have happened? — Chornobyl and independence in 1991 · tree and pragmatics
description: If the authorities had warned Kyiv at once, what might have happened? Test 4 of lesson 48 «Chornobyl and independence in 1991» of the history course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 4 · Chornobyl and independence in 1991

<!-- .ven lang=en -->
If the authorities had warned Kyiv at once, what might have happened?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** authorities · **What happens:** warn, happen · **To what, where:** Kyiv

<!-- .vabout -->
This is test 4 of lesson 48 «Chornobyl and independence in 1991» of the history course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/history/48-chornobyl-and-independence-in-1991/#t4).

## The question {#question}

```conllu
# sent_id = question:history:48-chornobyl-and-independence-in-1991:t4:1
# text = If the authorities had warned Kyiv at once, what might have happened?
1	If	if	SCONJ	IN	_	5	mark	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	authorities	authority	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	had	have	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	5	aux	_	_
5	warned	warn	VERB	VBN	Tense=Past|VerbForm=Part	13	advcl	_	_
6	Kyiv	Kyiv	PROPN	NNP	Number=Sing	5	iobj	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	once	once	ADV	RB	NumForm=Word|NumType=Mult	5	obl	_	SpaceAfter=No
9	,	,	PUNCT	,	_	5	punct	_	_
10	what	what	PRON	WP	PronType=Int	13	nsubj	_	_
11	might	might	AUX	MD	VerbForm=Fin	13	aux	_	_
12	have	have	AUX	VB	VerbForm=Inf	13	aux	_	_
13	happened	happen	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	SpaceAfter=No
14	?	?	PUNCT	.	_	13	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **warn** *speech: warn* *a condition, not said to happen* | past · perfect | the authorities |  | Kyiv |  |  |  | vn advise-37.9-1 «NP V NP.recipient»: agent=Agent kyiv=Recipient |
| 2 | **happen** | might · perfect |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

<!-- .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.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Fewer people would have been outside at the parade

```conllu
# sent_id = question:history:48-chornobyl-and-independence-in-1991:t4:o1:1
# text = Fewer people would have been outside at the parade
1	Fewer	few	ADJ	JJR	Degree=Cmp	2	amod	_	_
2	people	people	NOUN	NNS	Number=Plur	0	root	_	_
3	would	would	AUX	MD	VerbForm=Fin	6	aux	_	_
4	have	have	AUX	VB	VerbForm=Inf	6	aux	_	_
5	been	be	AUX	VBN	Tense=Past|VerbForm=Part	6	cop	_	_
6	outside	outside	ADV	RB	_	2	advmod	_	_
7	at	at	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	parade	parade	NOUN	NN	Number=Sing	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | would · perfect |  |  |  | the parade |  | outside *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Nothing could have been different

```conllu
# sent_id = question:history:48-chornobyl-and-independence-in-1991:t4:o2:1
# text = Nothing could have been different
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	5	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	5	aux	_	_
3	have	have	AUX	VB	VerbForm=Inf	5	aux	_	_
4	been	be	AUX	VBN	Tense=Past|VerbForm=Part	5	cop	_	_
5	different	different	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | could · perfect | Nothing |  |  |  |  | different *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Sweden would have closed

```conllu
# sent_id = question:history:48-chornobyl-and-independence-in-1991:t4:o3:1
# text = Sweden would have closed
1	Sweden	Sweden	PROPN	NNP	Number=Sing	4	nsubj:pass	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	have	have	AUX	VB	VerbForm=Inf	4	aux	_	_
4	closed	close	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **close** | would · perfect · passive |  | Sweden |  |  |  |  | vn crane-40.3.2 «NP V NP»: subject=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The reactor would not have exploded

```conllu
# sent_id = question:history:48-chornobyl-and-independence-in-1991:t4:o4:1
# text = The reactor would not have exploded
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	reactor	reactor	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
3	would	would	AUX	MD	VerbForm=Fin	6	aux	_	_
4	not	not	PART	RB	Polarity=Neg	6	advmod	_	_
5	have	have	AUX	VB	VerbForm=Inf	6	aux	_	_
6	exploded	explode	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **explode** | would · perfect · passive |  | the reactor |  |  |  |  | vn sound\_emission-43.2 «PP.location V NP»: subject=Theme |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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