---
title: Mixing metals makes alloys that are better than the pure metals: cop… — Metals and what they're good for · tree and pragmatics
description: Mixing metals makes alloys that are better than the pure metals: copper with tin makes bronze, and iron with a little carbon makes steel, strong enough for bridges. Who acts: Mixing, alloys, copper, iron. A sentence of the lesson «Metals and what they're good for» of the chemistry course of Mova's p
---

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# Metals and what they're good for, sentence 4

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Mixing metals makes alloys that are better than the pure metals: copper with tin makes bronze, and iron with a little carbon makes steel, strong enough for bridges.

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**Who acts:** Mixing, alloys, copper, iron · **What happens:** mix, make, be · **To what, where:** metals, alloys, bronze, steel

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This is a sentence of the lesson «Metals and what they're good for» of the chemistry 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 (Mixing, alloys, copper, iron), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:031-metals-what-theyre-good-for.lesson:4
# text = Mixing metals makes alloys that are better than the pure metals: copper with tin makes bronze, and iron with a little carbon makes steel, strong enough for bridges.
# source = school lesson (ours)
# course = chemistry
# lesson = 031-metals-what-theyre-good-for.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): R2-punct-next ×1
1	Mixing	mix	VERB	VBG	VerbForm=Ger	3	csubj	_	_
2	metals	metal	NOUN	NNS	Number=Plur	1	obj	_	_
3	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	alloys	alloy	NOUN	NNS	Number=Plur	3	obj	_	_
5	that	that	PRON	WDT	PronType=Rel	7	nsubj	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	better	good	ADJ	JJR	Degree=Cmp	4	acl:relcl	_	_
8	than	than	ADP	IN	_	11	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	pure	pure	ADJ	JJ	Degree=Pos	11	amod	_	_
11	metals	metal	NOUN	NNS	Number=Plur	7	obl	_	_
12	:	:	PUNCT	:	_	13	punct	_	_
13	copper	copper	NOUN	NN	Number=Sing	16	nsubj	_	_
14	with	with	ADP	IN	_	15	case	_	_
15	tin	tin	NOUN	NN	Number=Sing	13	nmod	_	_
16	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	_
17	bronze	bronze	NOUN	NN	Number=Sing	16	obj	_	_
18	,	,	PUNCT	,	_	25	punct	_	Agree=R2-punct-next|Haiku=16:punct
19	and	and	CCONJ	CC	_	25	cc	_	_
20	iron	iron	NOUN	NN	Number=Sing	25	nsubj	_	_
21	with	with	ADP	IN	_	24	case	_	_
22	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
23	little	little	ADJ	JJ	Degree=Pos	24	amod	_	_
24	carbon	carbon	NOUN	NN	Number=Sing	20	nmod	_	_
25	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	conj	_	_
26	steel	steel	NOUN	NN	Number=Sing	25	obj	_	_
27	,	,	PUNCT	,	_	25	punct	_	_
28	strong	strong	ADJ	JJ	Degree=Pos	26	acl	_	_
29	enough	enough	ADV	RB	_	28	advmod	_	_
30	for	for	ADP	IN	_	31	case	_	_
31	bridges	bridge	NOUN	NNS	Number=Plur	28	obl	_	_
32	.	.	PUNCT	.	_	3	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 | **mix** | gerund |  | metals |  |  |  |  | vn mix-22.1-1-1 «NP V NP»: agent=Agent metal=Patient |
| 2 | **make** | present | Mixing | alloys |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset alloy=Product |
| 3 | **is** | present | alloys |  |  |  |  | than the pure metals; good *property* | tree rules |
| 4 | **make** | present | copper with tin | bronze |  |  |  |  | vn build-26.1-1 «NP.material V NP»: agent=Material bronze=Product |
| 5 | **make** | present | iron with a little carbon | steel |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset steel=Product |

<!-- .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:chemistry:031-metals-what-theyre-good-for.lesson:4`.

**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): R2-punct-next ×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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