Rodents: the biggest group of mammals and their ever-growing teeth, sentence 7

Rodents have two upper and two lower front teeth that never stop growing and are worn down by gnawing, so they stay sharp and the right length.

Who acts: Rodents, two upper two lower front teeth · What happens: have, not stop, grow, wear down, gnaw, stay · To what, where: two upper two lower front teeth

This is a sentence of the lesson «Rodents: the biggest group of mammals and their ever-growing teeth» 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 (Rodents, two upper two lower front teeth), what happens, when and where, as Mova's frames read it from the tree.

The tree

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Rodents	rodent	NOUN	Number=Plur	2 have	nsubj
2	have	have	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
3	two	two	NUM	NumForm=Word NumType=Card	9 teeth	nummod
4	upper	upper	ADJ	Degree=Pos	9 teeth	amod
5	and	and	CCONJ	_	9 teeth	cc
6	two	two	NUM	NumForm=Word NumType=Card	9 teeth	nummod
7	lower	low	ADJ	Degree=Pos	9 teeth	amod
8	front	front	ADJ	Degree=Pos	9 teeth	amod
9	teeth	tooth	NOUN	Number=Plur	2 have	obj
10	that	that	PRON	PronType=Rel	12 stop	nsubj
11	never	never	ADV	PronType=Neg	12 stop	advmod
12	stop	stop	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	9 teeth	acl:relcl
13	growing	grow	VERB	VerbForm=Ger	12 stop	xcomp
14	and	and	CCONJ	_	16 worn	cc
15	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	16 worn	aux:pass
16	worn	wear	VERB	Tense=Past VerbForm=Part Voice=Pass	12 stop	conj
17	down	down	ADP	_	16 worn	compound:prt
18	by	by	ADP	_	19 gnawing	case
19	gnawing	gnaw	VERB	Tense=Pres VerbForm=Part	16 worn	advcl
20	,	,	PUNCT	_	23 stay	punct
21	so	so	ADV	_	23 stay	advmod
22	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	23 stay	nsubj
23	stay	stay	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	12 stop	parataxis
24	sharp	sharp	ADJ	Degree=Pos	23 stay	xcomp
25	and	and	CCONJ	_	28 length	cc
26	the	the	DET	Definite=Def PronType=Art	28 length	det
27	right	right	ADJ	Degree=Pos	28 length	amod
28	length	length	NOUN	Number=Sing	24 sharp	conj
29	.	.	PUNCT	_	2 have	punct

Pragmatics

No stored speech act for this sentence.

#	verb	tense, mood	who	what, whom	other	roles by
1	have	present	Rodents	two upper two lower front teeth		vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient
2	not stop	present	two upper two lower front teeth			vn stop-55.4-1-1 «NP V S_ING»: agent=Affector clause=Eventuality
3	grow	gerund	two upper two lower front teeth not said here			vn appear-48.1.1 «NP V»: agent=Theme
4	wear down	present · passive	two upper two lower front teeth not said here			vn wipe_manner-10.4.1-1 «NP V PP-Conative»
5	gnaw	gerund	two upper two lower front teeth not said here			vn chew-39.2 «NP V»: agent=Agent
6	stay	present	rodents = rodent		sharp property	vn exist-47.1 «NP V»: agent=Theme

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.

Licence: CC 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:316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth.lesson:7.

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): R7-rel-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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth/7/