---
title: When a project does not work first time, change one thing, test and… — Building and making things safely · tree and pragmatics
description: When a project does not work first time, change one thing, test and try again; changing only one thing at a time shows which change made the difference, and engineers learn from failures. Who acts: project, you, changing, change. A sentence of the lesson «Building and making things safely» of the ev
---

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# Building and making things safely, sentence 25

<!-- .ven lang=en -->
When a project does not work first time, change one thing, test and try again; changing only one thing at a time shows which change made the difference, and engineers learn from failures.

<!-- .vintro -->
**Who acts:** project, you, changing, change, engineers · **What happens:** not work, change, test, try, show, make · **To what, where:** one thing, difference, failures · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «Building and making things safely» of the everyday 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 (project, you, changing, change), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:244-building-and-making-things.lesson:25
# text = When a project does not work first time, change one thing, test and try again; changing only one thing at a time shows which change made the difference, and engineers learn from failures.
# source = school lesson (ours)
# course = everyday
# lesson = 244-building-and-making-things.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 ×1
1	When	when	SCONJ	WRB	_	6	mark	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	project	project	NOUN	NN	Number=Sing	6	nsubj	_	_
4	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
5	not	not	PART	RB	Polarity=Neg	6	advmod	_	_
6	work	work	VERB	VB	VerbForm=Inf	10	advcl	_	_
7	first	first	ADJ	JJ	Degree=Pos|NumForm=Word|NumType=Ord	8	amod	_	_
8	time	time	NOUN	NN	Number=Sing	6	obl:unmarked	_	_
9	,	,	PUNCT	,	_	10	punct	_	_
10	change	change	VERB	VB	VerbForm=Inf	0	root	_	_
11	one	one	NUM	CD	NumForm=Word|NumType=Card	12	nummod	_	_
12	thing	thing	NOUN	NN	Number=Sing	10	obj	_	_
13	,	,	PUNCT	,	_	14	punct	_	_
14	test	test	VERB	VB	VerbForm=Inf	10	conj	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	try	try	VERB	VB	VerbForm=Inf	14	conj	_	Agree=R5-strong|Haiku=10:conj
17	again	again	ADV	RB	_	16	advmod	_	_
18	;	;	PUNCT	,	_	10	punct	_	_
19	changing	change	VERB	VBG	VerbForm=Ger	26	csubj	_	_
20	only	only	ADV	RB	_	21	advmod	_	_
21	one	one	NUM	CD	NumForm=Word|NumType=Card	22	nummod	_	_
22	thing	thing	NOUN	NN	Number=Sing	19	obj	_	_
23	at	at	ADP	IN	_	25	case	_	_
24	a	a	DET	DT	Definite=Ind|PronType=Art	25	det	_	_
25	time	time	NOUN	NN	Number=Sing	19	obl	_	_
26	shows	show	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	parataxis	_	_
27	which	which	DET	WDT	PronType=Int	28	det	_	_
28	change	change	NOUN	NN	Number=Sing	29	nsubj	_	_
29	made	make	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	26	ccomp	_	_
30	the	the	DET	DT	Definite=Def|PronType=Art	31	det	_	_
31	difference	difference	NOUN	NN	Number=Sing	29	obj	_	_
32	,	,	PUNCT	,	_	35	punct	_	_
33	and	and	CCONJ	CC	_	35	cc	_	_
34	engineers	engineer	NOUN	NNS	Number=Plur	35	nsubj	_	_
35	learn	learn	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	26	conj	_	_
36	from	from	ADP	IN	_	37	case	_	_
37	failures	failure	NOUN	NNS	Number=Plur	35	obl	_	_
38	.	.	PUNCT	.	_	10	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 | **not** **work** | present · do-support | a project |  |  |  | time |  | vn employment-95.3 «NP V»: agent=Agent |
| 2 | **change** | imperative | you *not said here* | one thing |  |  |  |  | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent thing=Patient |
| 3 | **test** | infinitive | you *not said here* |  |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent |
| 4 | **try** | infinitive | you *not said here* |  |  |  | again |  | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer |
| 5 | **change** | gerund |  | one thing |  |  | time |  | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent thing=Patient |
| 6 | **show** | present | changing |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V how S»: agent=Agent clause=Topic |
| 7 | **make** | past | which change | the difference |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset difference=Product |
| 8 | **learn** | present | engineers |  |  | failures |  |  | vn learn-14-2-1 «NP V PP.source»: agent=Agent from failure=Source |

<!-- .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:everyday:244-building-and-making-things.lesson:25`.

**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 ×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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