---
title: Ascertain the moment at which an error in one's change is most easil… — Prices, change, borrowing and lending · tree and pragmatics
description: Ascertain the moment at which an error in one's change is most easily corrected. Exam question 4 of lesson 262 «Prices, change, borrowing and lending» of the everyday 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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# Exam question 4 · Prices, change, borrowing and lending

<!-- .ven lang=en -->
Ascertain the moment at which an error in one's change is most easily corrected.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you · **What happens:** ascertain, correct · **To what, where:** error

<!-- .vabout -->
This is exam question 4 of lesson 262 «Prices, change, borrowing and lending» of the everyday course of Mova's primary school, asked in stiff, formal language. 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/everyday/262-prices-change-and-borrowing/#e4).

## The question {#question}

```conllu
# sent_id = question:everyday:262-prices-change-and-borrowing:e4:1
# text = Ascertain the moment at which an error in one's change is most easily corrected.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	moment	moment	NOUN	NN	Number=Sing	1	obj	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	which	which	PRON	WDT	PronType=Rel	15	obl	_	_
6	an	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	error	error	NOUN	NN	Number=Sing	15	nsubj:pass	_	_
8	in	in	ADP	IN	_	11	case	_	_
9	one	one	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	SpaceAfter=No
10	's	's	PART	POS	_	9	case	_	_
11	change	change	NOUN	NN	Number=Sing	7	nmod	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	aux:pass	_	_
13	most	most	ADV	RBS	Degree=Sup	14	advmod	_	_
14	easily	easily	ADV	RB	_	15	advmod	_	_
15	corrected	correct	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl:relcl	_	SpaceAfter=No
16	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* |  |  |  | moment |  | vn discover-84 «NP V how S»: agent=Agent |
| 2 | **correct** *speech: disagree* | present · passive |  | a error in one change |  |  | at the moment | easily *property* | vn remedy-45.7 «NP V NP.patient»: subject=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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
On the following day, at the counter

```conllu
# sent_id = question:everyday:262-prices-change-and-borrowing:e4:o1:1
# text = On the following day, at the counter
1	On	on	ADP	IN	_	4	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	following	follow	VERB	VBG	VerbForm=Ger	4	amod	_	_
4	day	day	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	4	punct	_	_
6	at	at	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	counter	counter	NOUN	NN	Number=Sing	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
After arriving home

```conllu
# sent_id = question:everyday:262-prices-change-and-borrowing:e4:o2:1
# text = After arriving home
1	After	after	SCONJ	IN	_	2	mark	_	_
2	arriving	arrive	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
3	home	home	ADV	RB	_	2	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **arrive** | gerund |  |  |  |  |  | home *property* | vn escape-51.1-1 «NP V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
One week later

```conllu
# sent_id = question:everyday:262-prices-change-and-borrowing:e4:o3:1
# text = One week later
1	One	one	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	week	week	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
3	later	late	ADV	RBR	Degree=Cmp	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Before leaving the till

```conllu
# sent_id = question:everyday:262-prices-change-and-borrowing:e4:o4:1
# text = Before leaving the till
1	Before	before	SCONJ	IN	_	2	mark	_	_
2	leaving	leave	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	till	till	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leave** | gerund |  | the till |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent till=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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- ← previous: [Prices, change, borrowing and lending, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/262-prices-change-and-borrowing/e3/)
- next →: [Clocks, calendars and planning the day, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/263-clocks-calendars-and-planning/t1/)
- ↑ back to [Prices, change, borrowing and lending](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/262-prices-change-and-borrowing/)