---
title: An extra full moon is called a blue moon; it is not blue, and "once… — The Moon's month and the year round the Sun · tree and pragmatics
description: An extra full moon is called a blue moon; it is not blue, and "once in a blue moon" means very rarely. Who acts: Moon, blue moon. A sentence of the lesson «The Moon's month and the year round the Sun» of the world course of Mova's primary school with its dependency tree and the pragmatics of every c
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/119-moon-month-and-year/20/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / [The Moon's month and the year round th…](https://md.mova.elamur.ai/free/en/corpora/school/world/119-moon-month-and-year/) / 20

# The Moon's month and the year round the Sun, sentence 20

<!-- .ven lang=en -->
An extra full moon is called a blue moon; it is not blue, and "once in a blue moon" means very rarely.

<!-- .vintro -->
**Who acts:** Moon, blue moon · **What happens:** call, not be, mean · **To what, where:** extra full moon · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «The Moon's month and the year round the Sun» of the world 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 (Moon, blue moon), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:119-moon-month-and-year.lesson:20
# text = An extra full moon is called a blue moon; it is not blue, and "once in a blue moon" means very rarely.
# source = school lesson (ours)
# course = world
# lesson = 119-moon-month-and-year.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 ×3
1	An	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	extra	extra	ADJ	JJ	Degree=Pos	4	amod	_	_
3	full	full	ADJ	JJ	Degree=Pos	4	amod	_	_
4	moon	moon	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	_	_
6	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	blue	blue	ADJ	JJ	Degree=Pos	9	amod	_	_
9	moon	moon	NOUN	NN	Number=Sing	6	xcomp	_	Agree=R7-rel-agree|Haiku=6:obj
10	;	;	PUNCT	,	_	14	punct	_	_
11	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	nsubj	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	cop	_	_
13	not	not	PART	RB	Polarity=Neg	14	advmod	_	_
14	blue	blue	ADJ	JJ	Degree=Pos	6	parataxis	_	Agree=R7-rel-agree|Haiku=6:conj
15	,	,	PUNCT	,	_	24	punct	_	_
16	and	and	CCONJ	CC	_	24	cc	_	_
17	"	"	PUNCT	``	_	22	punct	_	_
18	once	once	ADV	RB	NumForm=Word|NumType=Mult	22	advmod	_	_
19	in	in	ADP	IN	_	22	case	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
21	blue	blue	ADJ	JJ	Degree=Pos	22	amod	_	_
22	moon	moon	NOUN	NN	Number=Sing	24	nsubj	_	_
23	"	"	PUNCT	''	_	22	punct	_	_
24	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	conj	_	Agree=R7-rel-agree|Haiku=6:parataxis
25	very	very	ADV	RB	_	26	advmod	_	_
26	rarely	rarely	ADV	RB	_	24	advmod	_	_
27	.	.	PUNCT	.	_	6	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 | **call** *speech: assert* | present · passive |  | a extra full moon |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V NP.recipient»: subject=Recipient |
| 2 | **not** **is** | present | Moon |  |  |  |  | blue *property* | tree rules |
| 3 | **mean** | present | a blue moon |  |  |  |  | rarely *property* | vn intend-61.2-1 «NP V S»: agent=Agent |

<!-- .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.

<!-- div src -->

**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:world:119-moon-month-and-year.lesson:20`.

**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 ×3. **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/).

<!-- /div -->

<!-- pn -->
- ← previous: [The Moon's month and the year round th…, 19](https://md.mova.elamur.ai/free/en/corpora/school/world/119-moon-month-and-year/19/)
- next →: [The Moon's month and the year round th…, 21](https://md.mova.elamur.ai/free/en/corpora/school/world/119-moon-month-and-year/21/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/119-moon-month-and-year/)

