---
title: Identify the principal reason for which eclipses do not occur in eve… — Eclipses · tree and pragmatics
description: Identify the principal reason for which eclipses do not occur in every month. Exam question 3 of lesson 8 «Eclipses» 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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# Exam question 3 · Eclipses

<!-- .ven lang=en -->
Identify the principal reason for which eclipses do not occur in every month.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you, eclipses · **What happens:** identify, not occur · **To what, where:** principal reason

<!-- .vabout -->
This is exam question 3 of lesson 8 «Eclipses» of the world 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/world/8-eclipses/#e3).

## The question {#question}

```conllu
# sent_id = question:world:8-eclipses:e3:1
# text = Identify the principal reason for which eclipses do not occur in every month.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	10	obl	_	_
7	eclipses	eclipse	NOUN	NNS	Number=Plur	10	nsubj	_	_
8	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	aux	_	_
9	not	not	PART	RB	Polarity=Neg	10	advmod	_	_
10	occur	occur	VERB	VB	VerbForm=Inf	4	parataxis	_	_
11	in	in	ADP	IN	_	13	case	_	_
12	every	every	DET	DT	PronType=Tot	13	det	_	_
13	month	month	NOUN	NN	Number=Sing	10	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **not** **occur** | present · do-support | eclipses |  |  |  | month | for the principal reason | 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 {#o1}

<!-- .ven lang=en -->
The Earth's atmosphere conceals them from view

```conllu
# sent_id = question:world:8-eclipses:e3:o1:1
# text = The Earth's atmosphere conceals them from view
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	atmosphere	atmosphere	NOUN	NN	Number=Sing	5	nsubj	_	_
5	conceals	conceal	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	5	obj	_	_
7	from	from	ADP	IN	_	8	case	_	_
8	view	view	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **conceal** | present | the Earth's atmosphere | them *= they* |  | view |  |  | vn concealment-16 «NP V NP PP.beneficiary»: agent=Agent they=Patient from view=Beneficiary |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
The orbit of the Moon is slightly inclined

```conllu
# sent_id = question:world:8-eclipses:e3:o2:1
# text = The orbit of the Moon is slightly inclined
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	orbit	orbit	NOUN	NN	Number=Sing	8	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Moon	Moon	PROPN	NNP	Number=Sing	2	nmod	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	slightly	slightly	ADV	RB	_	8	advmod	_	_
8	inclined	inclined	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the orbit of the Moon |  |  |  |  | inclined, slightly *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
The Moon moves too rapidly to come into alignment

```conllu
# sent_id = question:world:8-eclipses:e3:o3:1
# text = The Moon moves too rapidly to come into alignment
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Moon	Moon	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	moves	move	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	too	too	ADV	RB	_	5	advmod	_	_
5	rapidly	rapidly	ADV	RB	_	3	advmod	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	come	come	VERB	VB	VerbForm=Inf	3	advcl	_	_
8	into	into	ADP	IN	_	9	case	_	_
9	alignment	alignment	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | present | the Moon |  |  |  |  | rapidly *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 2 | **come** | to-infinitive | the Moon *not said here* |  |  | alignment |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme into alignment=Initial\_Location |

### Option 4 {#o4}

<!-- .ven lang=en -->
The Sun is too large to be obscured by the Moon

```conllu
# sent_id = question:world:8-eclipses:e3:o4:1
# text = The Sun is too large to be obscured by the Moon
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Sun	Sun	PROPN	NNP	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	too	too	ADV	RB	_	5	advmod	_	_
5	large	large	ADJ	JJ	Degree=Pos	0	root	_	_
6	to	to	PART	TO	_	8	mark	_	_
7	be	be	AUX	VB	VerbForm=Inf	8	aux:pass	_	_
8	obscured	obscure	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	advcl	_	_
9	by	by	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	Moon	Moon	PROPN	NNP	Number=Sing	8	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | the Sun |  |  |  |  | large *property* | tree rules |
| 2 | **obscure** | to-infinitive · passive | the Moon |  |  |  |  |  | vn remedy-45.7 «NP V NP.patient»: agent=Agent |

<!-- div src -->

**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.

<!-- /div -->

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- ← previous: [Eclipses, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/8-eclipses/e2/)
- next →: [Eclipses, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/8-eclipses/e4/)
- ↑ back to [Eclipses](https://md.mova.elamur.ai/free/en/corpora/questions/world/8-eclipses/)