---
title: In 1928 Alexander Fleming noticed that a mould on a dish had killed… — The microscopic world: bacteria, good and bad · tree and pragmatics
description: In 1928 Alexander Fleming noticed that a mould on a dish had killed the bacteria around it, which led to penicillin, a medicine that has saved many millions of lives. Who acts: Alexander, mould, medicine. A sentence of the lesson «The microscopic world: bacteria, good and bad» of the biology course 
---

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# The microscopic world: bacteria, good and bad, sentence 8

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In 1928 Alexander Fleming noticed that a mould on a dish had killed the bacteria around it, which led to penicillin, a medicine that has saved many millions of lives.

<!-- .vintro -->
**Who acts:** Alexander, mould, medicine · **What happens:** notice, kill, lead, save · **To what, where:** 1928, bacteria, dish, many millions · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «The microscopic world: bacteria, good and bad» 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 (Alexander, mould, medicine), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:257-the-microscopic-world-bacteria-good-and-bad.lesson:8
# text = In 1928 Alexander Fleming noticed that a mould on a dish had killed the bacteria around it, which led to penicillin, a medicine that has saved many millions of lives.
# source = school lesson (ours)
# course = biology
# lesson = 257-the-microscopic-world-bacteria-good-and-bad.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): no change
1	In	in	ADP	IN	_	2	case	_	_
2	1928	1928	NUM	CD	NumForm=Digit|NumType=Card	5	obl	_	_
3	Alexander	Alexander	PROPN	NNP	Number=Sing	5	nsubj	_	_
4	Fleming	Fleming	PROPN	NNP	Number=Sing	3	flat	_	_
5	noticed	notice	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	that	that	SCONJ	IN	_	13	mark	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	mould	mould	NOUN	NN	Number=Sing	13	nsubj	_	_
9	on	on	ADP	IN	_	11	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	dish	dish	NOUN	NN	Number=Sing	8	nmod	_	_
12	had	have	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	aux	_	_
13	killed	kill	VERB	VBN	Tense=Past|VerbForm=Part	5	ccomp	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	bacteria	bacteria	NOUN	NN	Number=Sing	13	obj	_	_
16	around	around	ADP	IN	_	17	case	_	_
17	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	nmod	_	_
18	,	,	PUNCT	,	_	20	punct	_	_
19	which	which	PRON	WDT	PronType=Rel	20	nsubj	_	_
20	led	lead	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	acl:relcl	_	_
21	to	to	ADP	IN	_	22	case	_	_
22	penicillin	penicillin	NOUN	NN	Number=Sing	20	obl	_	_
23	,	,	PUNCT	,	_	25	punct	_	_
24	a	a	DET	DT	Definite=Ind|PronType=Art	25	det	_	_
25	medicine	medicine	NOUN	NN	Number=Sing	22	appos	_	_
26	that	that	PRON	WDT	PronType=Rel	28	nsubj	_	_
27	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	28	aux	_	_
28	saved	save	VERB	VBN	Tense=Past|VerbForm=Part	25	acl:relcl	_	_
29	many	many	ADJ	JJ	Degree=Pos	30	amod	_	_
30	millions	million	NOUN	NNS	Number=Plur	28	obj	_	_
31	of	of	ADP	IN	_	32	case	_	_
32	lives	life	NOUN	NNS	Number=Plur	30	nmod	_	_
33	.	.	PUNCT	.	_	5	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 | **notice** | past | Alexander |  |  | 1928 |  |  | vn see-30.1-1 «NP V S\_ING»: agent=Experiencer clause=Stimulus |
| 2 | **kill** | past · perfect | a mould on a dish | the bacteria |  | dish |  |  | vn remove-10.1 «NP V NP»: agent=Agent bacteria=Theme |
| 3 | **lead** | past |  |  |  |  |  | to penicillin | vn result-27.2 «NP V PP»: agent=Precondition to penicillin=Patient |
| 4 | **save** | present · perfect | a medicine | many millions of lives |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent million=Theme |

<!-- .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:257-the-microscopic-world-bacteria-good-and-bad.lesson:8`.

**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): no change. **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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