---
title: Cai Lun, an official of the Han court, improved papermaking about 1,… — Ancient China: paper, silk, the Silk Road and Co… · tree and pragmatics
description: Cai Lun, an official of the Han court, improved papermaking about 1,900 years ago, using tree bark, old rags and fishing nets. Who acts: Cai. A sentence of the lesson «Ancient China: paper, silk, the Silk Road and Confucius» of the history course of Mova's primary school with its dependency tree and
---

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# Ancient China: paper, silk, the Silk Road and Confucius, sentence 6

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Cai Lun, an official of the Han court, improved papermaking about 1,900 years ago, using tree bark, old rags and fishing nets.

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**Who acts:** Cai · **What happens:** improve, use · **To what, where:** papermaking, tree bark

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This is a sentence of the lesson «Ancient China: paper, silk, the Silk Road and Confucius» of the history 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 (Cai), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:history:010-ancient-china-paper-silk-the-silk-road-and-confucius.lesson:6
# text = Cai Lun, an official of the Han court, improved papermaking about 1,900 years ago, using tree bark, old rags and fishing nets.
# source = school lesson (ours)
# course = history
# lesson = 010-ancient-china-paper-silk-the-silk-road-and-confucius.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 ×3, R7-rel-agree ×1
1	Cai	Cai	PROPN	NNP	Number=Sing	11	nsubj	_	_
2	Lun	Lun	PROPN	NNP	Number=Sing	1	flat	_	_
3	,	,	PUNCT	,	_	5	punct	_	_
4	an	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	official	official	NOUN	NN	Number=Sing	1	appos	_	_
6	of	of	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	Han	Han	PROPN	NNP	Number=Sing	9	compound	_	_
9	court	court	NOUN	NN	Number=Sing	5	nmod	_	_
10	,	,	PUNCT	,	_	12	punct	_	_
11	improved	improve	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
12	papermaking	papermaking	NOUN	NN	Number=Sing	11	obj	_	_
13	about	about	ADV	RB	_	14	advmod	_	Agree=R5-strong|Haiku=15:case|HaikuPos=ADP:IN:_
14	1,900	1,900	NUM	CD	NumForm=Digit|NumType=Card	15	nummod	_	_
15	years	year	NOUN	NNS	Number=Plur	16	obl	_	Agree=R5-strong|Haiku=11:obl
16	ago	ago	ADV	RB	_	11	advmod	_	Agree=R5-strong|Haiku=15:advmod
17	,	,	PUNCT	,	_	16	punct	_	_
18	using	use	VERB	VBG	Tense=Pres|VerbForm=Part	11	advcl	_	_
19	tree	tree	NOUN	NN	Number=Sing	20	compound	_	_
20	bark	bark	NOUN	NN	Number=Sing	18	obj	_	_
21	,	,	PUNCT	,	_	23	punct	_	_
22	old	old	ADJ	JJ	Degree=Pos	23	amod	_	_
23	rags	rag	NOUN	NNS	Number=Plur	20	conj	_	Agree=R7-rel-agree|Haiku=20:appos
24	and	and	CCONJ	CC	_	26	cc	_	_
25	fishing	fishing	NOUN	NN	Number=Sing	26	compound	_	_
26	nets	net	NOUN	NNS	Number=Plur	23	conj	_	_
27	.	.	PUNCT	.	_	11	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 | **improve** | past | Cai | papermaking |  |  |  | ago *property* | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent papermaking=Patient |
| 2 | **use** | gerund | Cai *not said here* | tree bark and old rags and fishing nets |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent bark=Patient |

<!-- .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:history:010-ancient-china-paper-silk-the-silk-road-and-confucius.lesson:6`.

**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 ×3, R7-rel-agree ×1. **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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