---
title: Mayflies live a year or more as nymphs under water, but adults live… — Life cycles and metamorphosis: frog, butterfly,… · tree and pragmatics
description: Mayflies live a year or more as nymphs under water, but adults live only a few hours to a day or two and have no working mouth: an adult only mates and lays eggs. Who acts: Mayflies, adults, adult. A sentence of the lesson «Life cycles and metamorphosis: frog, butterfly, ladybird» of the biology cou
---

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# Life cycles and metamorphosis: frog, butterfly, ladybird, sentence 14

<!-- .ven lang=en -->
Mayflies live a year or more as nymphs under water, but adults live only a few hours to a day or two and have no working mouth: an adult only mates and lays eggs.

<!-- .vintro -->
**Who acts:** Mayflies, adults, adult · **What happens:** live, have, mate, lay · **To what, where:** working mouth, eggs

<!-- .vabout -->
This is a sentence of the lesson «Life cycles and metamorphosis: frog, butterfly, ladybird» of the biology 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 (Mayflies, adults, adult), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:048-life-cycles-metamorphosis.lesson:14
# text = Mayflies live a year or more as nymphs under water, but adults live only a few hours to a day or two and have no working mouth: an adult only mates and lays eggs.
# source = school lesson (ours)
# course = biology
# lesson = 048-life-cycles-metamorphosis.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): R5-strong ×2
1	Mayflies	mayfly	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	year	year	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
5	or	or	CCONJ	CC	_	6	cc	_	_
6	more	more	ADJ	JJR	Degree=Cmp	4	conj	_	_
7	as	as	ADP	IN	_	8	case	_	_
8	nymphs	nymph	NOUN	NNS	Number=Plur	2	obl	_	Agree=R5-strong|Haiku=6:obl
9	under	under	ADP	IN	_	10	case	_	_
10	water	water	NOUN	NN	Number=Sing	8	nmod	_	_
11	,	,	PUNCT	,	_	14	punct	_	_
12	but	but	CCONJ	CC	_	14	cc	_	_
13	adults	adult	NOUN	NNS	Number=Plur	14	nsubj	_	_
14	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
15	only	only	ADV	RB	_	18	advmod	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
17	few	few	ADJ	JJ	Degree=Pos	18	amod	_	_
18	hours	hour	NOUN	NNS	Number=Plur	14	obl	_	_
19	to	to	ADP	IN	_	21	case	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	day	day	NOUN	NN	Number=Sing	14	obl	_	_
22	or	or	CCONJ	CC	_	23	cc	_	_
23	two	two	NUM	CD	NumForm=Word|NumType=Card	21	conj	_	_
24	and	and	CCONJ	CC	_	25	cc	_	_
25	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	conj	_	Agree=R5-strong|Haiku=2:conj
26	no	no	DET	DT	PronType=Neg	28	det	_	_
27	working	working	NOUN	NN	Number=Sing	28	compound	_	_
28	mouth	mouth	NOUN	NN	Number=Sing	25	obj	_	_
29	:	:	PUNCT	:	_	31	punct	_	_
30	an	a	DET	DT	Definite=Ind|PronType=Art	31	det	_	_
31	adult	adult	NOUN	NN	Number=Sing	28	appos	_	_
32	only	only	ADV	RB	_	33	advmod	_	_
33	mates	mate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	31	acl	_	_
34	and	and	CCONJ	CC	_	35	cc	_	_
35	lays	lay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	33	conj	_	_
36	eggs	egg	NOUN	NNS	Number=Plur	35	obj	_	_
37	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | present | Mayflies |  |  |  | year | as nymphs under water | vn exist-47.1-1 «NP V»: agent=Theme |
| 2 | **live** | present | adults |  |  |  | day; hour |  | vn exist-47.1-1 «NP V»: agent=Theme |
| 3 | **have** | present | adults *not said here* | no working mouth |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent mouth=Patient |
| 4 | **mate** | present | a adult *not said here* |  |  |  |  |  | vn amalgamate-22.2-2-1 «NP V»: agent=Patient |
| 5 | **lay** | present | a adult *not said here* | eggs |  |  |  |  | vn create-26.4 «NP V NP»: agent=Agent egg=Result |

<!-- .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.

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**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:biology:048-life-cycles-metamorphosis.lesson:14`.

**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): R5-strong ×2. **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/).

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- ← previous: [Life cycles and metamorphosis: frog, b…, 13](https://md.mova.elamur.ai/free/en/corpora/school/biology/48-life-cycles-metamorphosis/13/)
- next →: [Babies: eggs, live birth, pouches and…, 0](https://md.mova.elamur.ai/free/en/corpora/school/biology/49-babies/0/)
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