---
title: What would happen if we added a leap day every single year? — Leap years and 29 February birthdays · tree and pragmatics
description: What would happen if we added a leap day every single year? Test 9 · ★ of lesson 112 «Leap years and 29 February birthdays» 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 right.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/112-leap-years-and-29-february-birthdays/t9/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / [Leap years and 29 February birthdays](https://md.mova.elamur.ai/free/en/corpora/questions/world/112-leap-years-and-29-february-birthdays/) / t9

# Test 9 · ★ · Leap years and 29 February birthdays

<!-- .ven lang=en -->
What would happen if we added a leap day every single year?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** we · **What happens:** happen, add

<!-- .vabout -->
This is test 9 · ★ of lesson 112 «Leap years and 29 February birthdays» 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/112-leap-years-and-29-february-birthdays/#t9).

## The question {#question}

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t9:1
# text = What would happen if we added a leap day every single year?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	if	if	SCONJ	IN	_	6	mark	_	_
5	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	6	nsubj	_	_
6	added	add	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	3	advcl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	leap	leap	NOUN	NN	Number=Sing	9	compound	_	_
9	day	day	NOUN	NN	Number=Sing	6	obl:unmarked	_	_
10	every	every	DET	DT	PronType=Tot	12	det	_	_
11	single	single	ADJ	JJ	Degree=Pos	12	amod	_	_
12	year	year	NOUN	NN	Number=Sing	6	obl:unmarked	_	SpaceAfter=No
13	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **add** *speech: assert* *a condition, not said to happen* | past | we |  |  |  | day; year |  | vn mix-22.1-2 «NP V NP»: 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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
The calendar would match the Sun perfectly

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t9:o1:1
# text = The calendar would match the Sun perfectly
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	calendar	calendar	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	match	match	VERB	VB	VerbForm=Inf	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	Sun	Sun	PROPN	NNP	Number=Sing	4	obj	_	_
7	perfectly	perfectly	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **match** | would | the calendar | the Sun |  |  |  | perfectly *property* | vn amalgamate-22.2-1 «NP V NP»: agent=Agent sun=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
February would vanish completely

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t9:o2:1
# text = February would vanish completely
1	February	February	PROPN	NNP	Number=Sing	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	vanish	vanish	VERB	VB	VerbForm=Inf	0	root	_	_
4	completely	completely	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **vanish** | would | February |  |  |  |  | completely *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The calendar would run ahead of the Sun very quickly

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t9:o3:1
# text = The calendar would run ahead of the Sun very quickly
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	calendar	calendar	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	run	run	VERB	VB	VerbForm=Inf	0	root	_	_
5	ahead	ahead	ADV	RB	_	4	advmod	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	Sun	Sun	PROPN	NNP	Number=Sing	4	obl	_	_
9	very	very	ADV	RB	_	10	advmod	_	_
10	quickly	quickly	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **run** | would | the calendar |  |  |  |  | of the Sun; ahead, quickly *property* | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme of sun=Trajectory |

### Option 4 {#o4}

<!-- .ven lang=en -->
Every year would have 365 days

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t9:o4:1
# text = Every year would have 365 days
1	Every	every	DET	DT	PronType=Tot	2	det	_	_
2	year	year	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	have	have	VERB	VB	VerbForm=Inf	0	root	_	_
5	365	365	NUM	CD	NumForm=Digit|NumType=Card	6	nummod	_	_
6	days	day	NOUN	NNS	Number=Plur	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | would | every year |  |  |  | day |  | vn birth-28.2-1 «NP V NP»: 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 -->

<!-- pn -->
- ← previous: [Leap years and 29 February birthdays, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/world/112-leap-years-and-29-february-birthdays/t8/)
- next →: [Leap years and 29 February birthdays, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/world/112-leap-years-and-29-february-birthdays/t10/)
- ↑ back to [Leap years and 29 February birthdays](https://md.mova.elamur.ai/free/en/corpora/questions/world/112-leap-years-and-29-february-birthdays/)