---
title: The adder bites only when stepped on or grabbed. — Mushrooms and creatures to avoid in the woods: d… · tree and pragmatics
description: The adder bites only when stepped on or grabbed. Who acts: adder. A sentence of the lesson «Mushrooms and creatures to avoid in the woods: death caps, adders, ticks and hornets» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Mushrooms and creatures to avoid in the woods: death caps, adders, ticks and hornets, sentence 4

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The adder bites only when stepped on or grabbed.

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**Who acts:** adder · **What happens:** bite, step on, grab

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This is a sentence of the lesson «Mushrooms and creatures to avoid in the woods: death caps, adders, ticks and hornets» 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 (adder), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:393-mushrooms-and-creatures-to-avoid-in-the-woods-death-caps-adders-ticks-and-hornets.lesson:4
# text = The adder bites only when stepped on or grabbed.
# source = school lesson (ours)
# course = biology
# lesson = 393-mushrooms-and-creatures-to-avoid-in-the-woods-death-caps-adders-ticks-and-hornets.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	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	adder	adder	NOUN	NN	Number=Sing	3	nsubj	_	_
3	bites	bite	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	only	only	ADV	RB	_	6	advmod	_	_
5	when	when	SCONJ	WRB	_	6	mark	_	_
6	stepped	step	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
7	on	on	ADP	RP	_	6	compound:prt	_	_
8	or	or	CCONJ	CC	_	9	cc	_	_
9	grabbed	grab	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	conj	_	_
10	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bite** | present | the adder |  |  |  |  |  | vn swat-18.2 «NP V PP»: agent=Agent |
| 2 | **step on** | participle | the adder *not said here* |  |  |  |  |  | vn run-51.3.2 «NP V»: agent=Theme |
| 3 | **grab** | participle | the adder *not said here* |  |  |  |  |  | vn steal-10.5-1 «NP V NP»: agent=Agent |

<!-- .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:393-mushrooms-and-creatures-to-avoid-in-the-woods-death-caps-adders-ticks-and-hornets.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): 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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