---
title: Why can we now map places no explorer ever walked? — Explorers and how the world was mapped · tree and pragmatics
description: Why can we now map places no explorer ever walked? Test 9 · ★★ of lesson 98 «Explorers and how the world was mapped» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 9 · ★★ · Explorers and how the world was mapped

<!-- .ven lang=en -->
Why can we now map places no explorer ever walked?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** we · **What happens:** map, walk · **To what, where:** places

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This is test 9 · ★★ of lesson 98 «Explorers and how the world was mapped» of the world 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/world/98-explorers-mapping-the-world/#t9).

## The question {#question}

```conllu
# sent_id = question:world:98-explorers-mapping-the-world:t9:1
# text = Why can we now map places no explorer ever walked?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
3	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	5	nsubj	_	_
4	now	now	ADV	RB	PronType=Dem	5	advmod	_	_
5	map	map	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	10	advcl	_	_
6	places	place	NOUN	NNS	Number=Plur	5	obj	_	_
7	no	no	DET	DT	PronType=Neg	8	det	_	_
8	explorer	explorer	NOUN	NN	Number=Sing	5	obj	_	_
9	ever	ever	ADV	RB	PronType=Ind	10	advmod	_	_
10	walked	walk	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	SpaceAfter=No
11	?	?	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **map** | can | we | places |  |  | now |  | tree rules |
| 2 | **walk** | participle |  |  |  |  | ever |  | vn run-51.3.2-2-1 «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 {#o1}

<!-- .ven lang=en -->
Every place has now been walked by explorers

```conllu
# sent_id = question:world:98-explorers-mapping-the-world:t9:o1:1
# text = Every place has now been walked by explorers
1	Every	every	DET	DT	PronType=Tot	2	det	_	_
2	place	place	NOUN	NN	Number=Sing	6	nsubj	_	_
3	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
4	now	now	ADV	RB	PronType=Dem	6	advmod	_	_
5	been	be	AUX	VBN	Tense=Past|VerbForm=Part	6	aux:pass	_	_
6	walked	walk	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	by	by	ADP	IN	_	8	case	_	_
8	explorers	explorer	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | present · perfect · passive | explorers | every place |  |  | now |  | vn run-51.3.2-2-1 «NP V NP»: agent=Theme subject=Trajectory |

### Option 2 {#o2}

<!-- .ven lang=en -->
Old maps were already complete

```conllu
# sent_id = question:world:98-explorers-mapping-the-world:t9:o2:1
# text = Old maps were already complete
1	Old	old	ADJ	JJ	Degree=Pos	2	amod	_	_
2	maps	map	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	5	cop	_	_
4	already	already	ADV	RB	_	5	advmod	_	_
5	complete	complete	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | Old maps |  |  |  |  | complete *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Ships can sail over mountains today

```conllu
# sent_id = question:world:98-explorers-mapping-the-world:t9:o3:1
# text = Ships can sail over mountains today
1	Ships	ship	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	sail	sail	VERB	VB	VerbForm=Inf	0	root	_	_
4	over	over	ADP	IN	_	5	case	_	_
5	mountains	mountain	NOUN	NNS	Number=Plur	3	obl	_	_
6	today	today	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sail** | can | Ships |  |  | mountains | today |  | vn nonvehicle-51.4.2-1 «NP V PP.location»: agent=Agent over mountain=Trajectory |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Satellites photograph the whole Earth from space

```conllu
# sent_id = question:world:98-explorers-mapping-the-world:t9:o4:1
# text = Satellites photograph the whole Earth from space
1	Satellites	satellite	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	photograph	photograph	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	whole	whole	ADJ	JJ	Degree=Pos	5	amod	_	_
5	Earth	Earth	PROPN	NNP	Number=Sing	2	obj	_	_
6	from	from	ADP	IN	_	7	case	_	_
7	space	space	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **photograph** | present | Satellites | the whole Earth |  | space |  |  | vn transcribe-25.4 «NP V NP»: agent=Agent earth=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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