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expl: expletive

This relation captures expletive nominals. These are nominals that appear in an argument position of a predicate but which do not themselves satisfy any of the semantic roles of the predicate. The main predicate of the clause (the verb or predicate adjective or noun) is the governor.

For Norwegian, the expletive element is expressed using the neuter pronoun det “it” and the expl relation is used for both expletive subjects and objects.

#####Presentational construction In Norwegian expletives occur in the presentational construction, which involves an expletive subject, an active verb and an indefinite subject (en debatt “a debate” in the example below).

Det eksisterer allerede en debatt \n There already exists a debate
expl(eksisterer-2,Det-1)
nsubj(eksisterer-2,debatt-5)

#####Impersonal passive Norwegian employs the impersonal passive construction, where there is an expletive subject and the underlying subject is unexpressed.

Senere har det blitt fremsatt flere forslag \n Later has there been proposed several suggestions
expl(fremsatt,det)

#####Clause-anticipating constructions These constructions contain a finite or non-finite clause which semantically may be regarded as the subject, but where the subject position is occupied by an expletive.

Det er ønskelig at utvalget arbeider i dialog \n It is desirable that the committee works in dialogue
expl(ønskelig-3,Det-1)
csubj(ønskelig-3,arbeider-6)
Det er en offentlig oppgave å bidra økonomisk \n It is a public duty to contribute financially
expl(oppgave-5,Det-1)
csubj(oppgave-5,bidra-7)

We also find clause-anticipating constructions with expletive objects.

Retten finner det bevist at han handlet forsettlig \n The court finds it proven that he acted intentionally
expl(finner-2,det-3)
ccomp(finner-2,handlet-7)

#####Clefts Clefts are quite common in Norwegian. They contain an expletive subject, a form of være “to be” and a relative clause. Note that in clefts we do not adopt a copula analysis of the verb være “er”.

Det er forholdsvis få arter som har klart å tilpasse seg \n There are quite few species that have managed to adapt 
expl(er-2,Det-1)
acl:relcl(arter-5,klart-8)

#####References Kari Kinn, Per Erik Solberg and Pål Kristian Eriksen. NDT Guidelines for Morphological Annotation”. National Library Tech Report.

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Treebank Statistics (UD_Norwegian-Bokmaal)

This relation is universal.

2919 nodes (1%) are attached to their parents as expl.

2391 instances of expl (82%) are right-to-left (child precedes parent). Average distance between parent and child is 1.9564919492977.

The following 12 pairs of parts of speech are connected with expl: no-pos/VERB-no-pos/PRON (1675; 57% instances), no-pos/ADJ-no-pos/PRON (552; 19% instances), no-pos/NOUN-no-pos/PRON (459; 16% instances), no-pos/PRON-no-pos/PRON (83; 3% instances), no-pos/ADV-no-pos/PRON (73; 3% instances), no-pos/PROPN-no-pos/PRON (53; 2% instances), no-pos/DET-no-pos/PRON (8; 0% instances), no-pos/VERB-no-pos/ADV (7; 0% instances), no-pos/NUM-no-pos/PRON (4; 0% instances), no-pos/ADP-no-pos/PRON (3; 0% instances), no-pos/CCONJ-no-pos/PRON (1; 0% instances), no-pos/VERB-no-pos/DET (1; 0% instances).

# visual-style 2	bgColor:blue
# visual-style 2	fgColor:white
# visual-style 1	bgColor:blue
# visual-style 1	fgColor:white
# visual-style 1 2 expl	color:blue
1	Er	være	VERB	_	Mood=Ind|Tense=Pres|VerbForm=Fin	0	root	_	_
2	det	det	PRON	_	Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	expl	_	_
3	flere	mange	ADJ	_	Degree=Cmp	4	amod	_	_
4	rovdyr	rovdyr	NOUN	_	Definite=Ind|Gender=Neut|Number=Plur	1	nsubj	_	_
5	i	i	ADP	_	_	7	case	_	_
6	denne	denne	DET	_	Gender=Fem|Number=Sing|PronType=Dem	7	det	_	_
7	sak	sak	NOUN	_	Definite=Ind|Gender=Fem|Number=Sing	1	obl	_	SpaceAfter=No
8	?	$?	PUNCT	_	_	1	punct	_	_

# visual-style 3	bgColor:blue
# visual-style 3	fgColor:white
# visual-style 1	bgColor:blue
# visual-style 1	fgColor:white
# visual-style 1 3 expl	color:blue
1	Risikofritt	risikofri	ADJ	_	Definite=Ind|Degree=Pos|Gender=Neut|Number=Sing	0	root	_	_
2	er	være	AUX	_	Mood=Ind|Tense=Pres|VerbForm=Fin	1	cop	_	_
3	det	det	PRON	_	Gender=Neut|Number=Sing|Person=3|PronType=Prs	1	expl	_	_
4	ikke	ikke	ADV	_	Polarity=Neg	1	advmod	_	SpaceAfter=No
5	.	$.	PUNCT	_	_	1	punct	_	_

# visual-style 1	bgColor:blue
# visual-style 1	fgColor:white
# visual-style 8	bgColor:blue
# visual-style 8	fgColor:white
# visual-style 8 1 expl	color:blue
1	Det	det	PRON	_	Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	expl	_	_
2	er	være	AUX	_	Mood=Ind|Tense=Pres|VerbForm=Fin	8	cop	_	_
3	nok	nok	ADV	_	_	8	advmod	_	_
4	heller	heller	ADV	_	_	8	advmod	_	_
5	Frps	Frp	PROPN	_	Abbr=Yes|Case=Gen	8	nmod	_	_
6	økte	øke	ADJ	_	Definite=Def|Number=Sing|VerbForm=Part	8	amod	_	_
7	politiske	politisk	ADJ	_	Definite=Def|Degree=Pos|Number=Sing	8	amod	_	_
8	kjøttvekt	kjøttvekt	NOUN	_	Definite=Ind|Gender=Fem|Number=Sing	0	root	_	_
9	som	som	PRON	_	PronType=Rel	10	nsubj	_	_
10	slår	slå	VERB	_	Mood=Ind|Tense=Pres|VerbForm=Fin	8	acl:relcl	_	_
11	ut	ut	ADP	_	_	10	compound:prt	_	SpaceAfter=No
12	.	$.	PUNCT	_	_	8	punct	_	_


Treebank Statistics (UD_Norwegian-Nynorsk)

This relation is universal.

3197 nodes (1%) are attached to their parents as expl.

2606 instances of expl (82%) are right-to-left (child precedes parent). Average distance between parent and child is 1.9715358148264.

The following 14 pairs of parts of speech are connected with expl: no-pos/VERB-no-pos/PRON (1655; 52% instances), no-pos/ADJ-no-pos/PRON (841; 26% instances), no-pos/NOUN-no-pos/PRON (491; 15% instances), no-pos/ADV-no-pos/PRON (88; 3% instances), no-pos/PRON-no-pos/PRON (69; 2% instances), no-pos/PROPN-no-pos/PRON (25; 1% instances), no-pos/VERB-no-pos/ADV (9; 0% instances), no-pos/DET-no-pos/PRON (7; 0% instances), no-pos/NUM-no-pos/PRON (5; 0% instances), no-pos/ADP-no-pos/PRON (2; 0% instances), no-pos/VERB-no-pos/NOUN (2; 0% instances), no-pos/ADJ-no-pos/ADV (1; 0% instances), no-pos/NOUN-no-pos/PROPN (1; 0% instances), no-pos/VERB-no-pos/DET (1; 0% instances).

# visual-style 13	bgColor:blue
# visual-style 13	fgColor:white
# visual-style 14	bgColor:blue
# visual-style 14	fgColor:white
# visual-style 14 13 expl	color:blue
1	Jaudå	jaudå	INTJ	_	_	4	discourse	_	SpaceAfter=No
2	,	$,	PUNCT	_	_	1	punct	_	_
3	eg	eg	PRON	_	Animacy=Hum|Case=Nom|Number=Sing|Person=1|PronType=Prs	4	nsubj	_	_
4	har	ha	VERB	_	Mood=Ind|Tense=Pres|VerbForm=Fin	0	root	_	_
5	det	det	PRON	_	Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	obj	_	SpaceAfter=No
6	,	$,	PUNCT	_	_	4	punct	_	_
7	og	og	CCONJ	_	_	10	cc	_	_
8	den	den	PRON	_	Gender=Fem,Masc|Number=Sing|Person=3|PronType=Prs	10	nsubj:pass	_	_
9	vert	verte	VERB	_	Mood=Ind|Tense=Pres|VerbForm=Fin	10	aux:pass	_	_
10	brukt	bruke	ADJ	_	Definite=Ind|Number=Sing|VerbForm=Part	4	conj	_	_
11	rett	rett	ADJ	_	Definite=Ind|Degree=Pos|Gender=Neut|Number=Sing	10	advmod	_	_
12	som	som	PRON	_	PronType=Rel	14	nsubj	_	_
13	det	det	PRON	_	Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	expl	_	_
14	er	vere	VERB	_	Mood=Ind|Tense=Pres|VerbForm=Fin	11	advcl	_	SpaceAfter=No
15	.	$.	PUNCT	_	_	4	punct	_	_

# visual-style 3	bgColor:blue
# visual-style 3	fgColor:white
# visual-style 4	bgColor:blue
# visual-style 4	fgColor:white
# visual-style 4 3 expl	color:blue
1	Då	då	ADV	_	_	4	advmod	_	_
2	er	vere	AUX	_	Mood=Ind|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	det	det	PRON	_	Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	expl	_	_
4	viktig	viktig	ADJ	_	Definite=Ind|Degree=Pos|Gender=Neut|Number=Sing	0	root	_	_
5	å	å	PART	_	_	6	mark	_	_
6	ha	ha	VERB	_	VerbForm=Inf	4	csubj	_	_
7	eit	ein	DET	_	Gender=Neut|Number=Sing|PronType=Art	9	det	_	_
8	godt	god	ADJ	_	Definite=Ind|Degree=Pos|Gender=Neut|Number=Sing	9	amod	_	_
9	brød	brød	NOUN	_	Definite=Ind|Gender=Neut|Number=Sing	6	obj	_	_
10	å	å	PART	_	_	11	mark	_	_
11	smøre	smøre	VERB	_	VerbForm=Inf	9	acl	_	_
12	matpakke	matpakke	NOUN	_	Definite=Ind|Gender=Fem|Number=Sing	11	obj	_	_
13	av	av	ADP	_	_	12	nmod	_	SpaceAfter=No
14	.	$.	PUNCT	_	_	4	punct	_	_

# visual-style 2	bgColor:blue
# visual-style 2	fgColor:white
# visual-style 4	bgColor:blue
# visual-style 4	fgColor:white
# visual-style 4 2 expl	color:blue
1	-	$-	PUNCT	_	_	4	punct	_	_
2	Det	det	PRON	_	Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	expl	_	_
3	er	vere	AUX	_	Mood=Ind|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	galenskap	galenskap	NOUN	_	Definite=Ind|Gender=Masc|Number=Sing	0	root	_	_
5	å	å	PART	_	_	6	mark	_	_
6	øydeleggja	øydeleggje	VERB	_	VerbForm=Inf	4	csubj	_	_
7	ein	ein	DET	_	Gender=Masc|Number=Sing|PronType=Art	8	det	_	_
8	økonomi	økonomi	NOUN	_	Definite=Ind|Gender=Masc|Number=Sing	6	obj	_	_
9	på	på	ADP	_	_	11	case	_	_
10	denne	denne	DET	_	Gender=Masc|Number=Sing|PronType=Dem	11	det	_	_
11	måten	måte	NOUN	_	Definite=Def|Gender=Masc|Number=Sing	6	obl	_	SpaceAfter=No
12	.	$.	PUNCT	_	_	4	punct	_	_


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