---
title: Antibiotics kill bacteria or stop them growing but do nothing to vir… — Microbes: bacteria and viruses, good and bad · tree and pragmatics
description: Antibiotics kill bacteria or stop them growing but do nothing to viruses, so they do not help colds or flu, and using them when not needed helps bacteria become resistant; stopping a course of antibiotics early can leave the toughest bacteria alive to grow back. Who acts: Antibiotics, viruses, using
---

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# Microbes: bacteria and viruses, good and bad, sentence 11

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Antibiotics kill bacteria or stop them growing but do nothing to viruses, so they do not help colds or flu, and using them when not needed helps bacteria become resistant; stopping a course of antibiotics early can leave the toughest bacteria alive to grow back.

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**Who acts:** Antibiotics, viruses, using, bacteria · **What happens:** kill, stop, grow, do, not help, use · **To what, where:** bacteria, nothing, colds, viruses, course, toughest bacteria

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This is a sentence of the lesson «Microbes: bacteria and viruses, 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 (Antibiotics, viruses, using, bacteria), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:063-microbes-bacteria-and-viruses.lesson:11
# text = Antibiotics kill bacteria or stop them growing but do nothing to viruses, so they do not help colds or flu, and using them when not needed helps bacteria become resistant; stopping a course of antibiotics early can leave the toughest bacteria alive to grow back.
# source = school lesson (ours)
# course = biology
# lesson = 063-microbes-bacteria-and-viruses.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, R7-rel-agree ×2, R8-pos-agree ×2
1	Antibiotics	antibiotic	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	kill	kill	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	bacteria	bacterium	NOUN	NNS	Number=Plur	2	obj	_	Agree=R8-pos-agree|Haiku=2:obj|HaikuPos=NOUN:NN:Number=Sing
4	or	or	CCONJ	CC	_	5	cc	_	_
5	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	Agree=R8-pos-agree|Haiku=2:conj|HaikuPos=VERB:VB:VerbForm=Inf
6	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	5	obj	_	_
7	growing	grow	VERB	VBG	VerbForm=Ger	5	xcomp	_	_
8	but	but	CCONJ	CC	_	9	cc	_	_
9	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
10	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	9	obj	_	_
11	to	to	ADP	IN	_	12	case	_	_
12	viruses	virus	NOUN	NNS	Number=Plur	10	nmod	_	_
13	,	,	PUNCT	,	_	18	punct	_	_
14	so	so	ADV	RB	_	18	advmod	_	_
15	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	18	nsubj	_	_
16	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	aux	_	_
17	not	not	PART	RB	Polarity=Neg	18	advmod	_	_
18	help	help	VERB	VB	VerbForm=Inf	2	conj	_	_
19	colds	cold	NOUN	NNS	Number=Plur	18	obj	_	_
20	or	or	CCONJ	CC	_	21	cc	_	_
21	flu	flu	NOUN	NN	Number=Sing	19	conj	_	_
22	,	,	PUNCT	,	_	29	punct	_	_
23	and	and	CCONJ	CC	_	29	cc	_	_
24	using	use	VERB	VBG	Tense=Pres|VerbForm=Part	29	csubj	_	Agree=R7-rel-agree|Haiku=29:nsubj
25	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	24	obj	_	_
26	when	when	ADV	WRB	PronType=Int	28	advmod	_	_
27	not	not	PART	RB	Polarity=Neg	28	advmod	_	_
28	needed	need	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	24	advcl	_	_
29	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
30	bacteria	bacteria	NOUN	NN	Number=Sing	29	obj	_	_
31	become	become	VERB	VB	VerbForm=Inf	29	xcomp	_	_
32	resistant	resistant	ADJ	JJ	Degree=Pos	31	xcomp	_	_
33	;	;	PUNCT	,	_	41	punct	_	_
34	stopping	stop	VERB	VBG	Tense=Pres|VerbForm=Part	41	nsubj	_	_
35	a	a	DET	DT	Definite=Ind|PronType=Art	36	det	_	_
36	course	course	NOUN	NN	Number=Sing	34	obj	_	_
37	of	of	ADP	IN	_	38	case	_	_
38	antibiotics	antibiotic	NOUN	NNS	Number=Plur	36	nmod	_	_
39	early	early	ADV	RB	Degree=Pos	34	advmod	_	Agree=R5-strong|Haiku=41:advmod
40	can	can	AUX	MD	VerbForm=Fin	41	aux	_	_
41	leave	leave	VERB	VB	VerbForm=Inf	2	conj	_	_
42	the	the	DET	DT	Definite=Def|PronType=Art	44	det	_	_
43	toughest	tough	ADJ	JJS	Degree=Sup	44	amod	_	_
44	bacteria	bacteria	NOUN	NN	Number=Sing	41	obj	_	_
45	alive	alive	ADJ	JJ	Degree=Pos	41	xcomp	_	_
46	to	to	PART	TO	_	47	mark	_	_
47	grow	grow	VERB	VB	VerbForm=Inf	45	advcl	_	Agree=R7-rel-agree|Haiku=45:xcomp
48	back	back	ADV	RB	_	47	advmod	_	_
49	.	.	PUNCT	.	_	2	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 | **kill** | present | Antibiotics | bacteria |  |  |  |  | vn remove-10.1 «NP V NP»: agent=Agent bacterium=Theme |
| 2 | **stop** | present | Antibiotics *not said here* | bacteria *= bacterium* |  |  |  |  | tree rules |
| 3 | **grow** | gerund | Antibiotics *not said here* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 4 | **do** | present | Antibiotics *not said here* | nothing |  |  |  | to viruses | vn act-114-1 «NP V NP»: agent=Agent nothing=Eventuality |
| 5 | **not** **help** | present · do-support | viruses *= virus* | colds or flu |  |  |  |  | vn help-72.1-1-1 «NP V NP»: agent=Agent cold=Beneficiary |
| 6 | **use** | gerund |  | viruses *= virus* |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent they=Patient |
| 7 | **not** **need** | participle |  |  |  |  |  |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot |
| 8 | **help** | present | using | bacteria |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent bacteria=Beneficiary clause=Theme |
| 9 | **become** | infinitive | bacteria *not said here* |  |  |  |  | resistant *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |
| 10 | **stop** | gerund |  | a course of antibiotics |  |  |  | early *property* | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality course=Eventuality |
| 11 | **leave** | can |  | the toughest bacteria |  |  |  | alive *property* | vn keep-15.2 «NP V NP»: agent=Agent bacteria=Theme |
| 12 | **grow back** | to-infinitive |  |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=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:063-microbes-bacteria-and-viruses.lesson:11`.

**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, R7-rel-agree ×2, R8-pos-agree ×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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