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cop: copula

A copula is the relation between the nominal predicate and the copular verb быть “to be” (or its variants бывал, был). The verb становиться “to become”, despite being counted among copular verbs by some authors, is not analyzed as cop.

We normally take a copula as a dependent of its complement (the nominal predicate). The nominal predicate is usually a noun, an adjective or a participle.

Андрей был честным человеком . \n Andrew was an honest man .
cop(человеком, был)
cop(man, was)

Treebank Statistics (UD_Russian)

This relation is universal.

553 nodes (1%) are attached to their parents as cop.

434 instances of cop (78%) are right-to-left (child precedes parent). Average distance between parent and child is 2.21157323688969.

The following 14 pairs of parts of speech are connected with cop: ru-pos/NOUN-ru-pos/VERB (327; 59% instances), ru-pos/ADJ-ru-pos/VERB (140; 25% instances), ru-pos/NUM-ru-pos/VERB (26; 5% instances), ru-pos/NOUN-ru-pos/PART (23; 4% instances), ru-pos/NOUN-ru-pos/AUX (12; 2% instances), ru-pos/ADJ-ru-pos/AUX (10; 2% instances), ru-pos/ADJ-ru-pos/NOUN (5; 1% instances), ru-pos/PROPN-ru-pos/PART (3; 1% instances), ru-pos/PROPN-ru-pos/VERB (2; 0% instances), ru-pos/ADJ-ru-pos/PART (1; 0% instances), ru-pos/ADV-ru-pos/PART (1; 0% instances), ru-pos/NOUN-ru-pos/ADP (1; 0% instances), ru-pos/NOUN-ru-pos/PUNCT (1; 0% instances), ru-pos/NUM-ru-pos/AUX (1; 0% instances).

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1	Для	ДЛЯ	ADP	IN	_	3	case	_	_
2	обеих	ОБА	NUM	CD	Animacy=Anim|Case=Gen|Gender=Fem	3	nummod	_	_
3	японок	ЯПОНКА	NOUN	NN	Animacy=Anim|Case=Gen|Gender=Fem|Number=Plur	7	nmod	_	_
4	это	ЭТО	PRON	DT	Animacy=Inan|Case=Nom|Gender=Neut|Number=Sing	7	nsubj	_	_
5	стало	СТАТЬ	VERB	VBC	Aspect=Perf|Gender=Neut|Mood=Ind|Number=Sing|Tense=Past|VerbForm=Fin	7	cop	_	_
6	олимпийским	ОЛИМПИЙСКИЙ	ADJ	JJL	Animacy=Inan|Case=Ins|Gender=Masc|Number=Sing|Variant=Full	7	amod	_	_
7	дебютом	ДЕБЮТ	NOUN	NN	Animacy=Inan|Case=Ins|Gender=Masc|Number=Sing	0	root	_	_
8	.	.	PUNCT	.	_	7	punct	_	_

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1	Правый	ПРАВЫЙ	ADJ	JJL	Animacy=Inan|Case=Nom|Gender=Masc|Number=Sing|Variant=Full	2	amod	_	_
2	фланг	ФЛАНГ	NOUN	NN	Animacy=Inan|Case=Nom|Gender=Masc|Number=Sing	5	nsubj	_	_
3	был	БЫТЬ	VERB	VBC	Aspect=Imp|Gender=Masc|Mood=Ind|Number=Sing|Tense=Past|VerbForm=Fin	5	cop	_	_
4	также	ТАКЖЕ	CONJ	CC	_	5	cc	_	_
5	уязвим	УЯЗВИМЫЙ	ADJ	JJH	Animacy=Inan|Case=Nom|Gender=Masc|Number=Sing|Variant=Brev	0	root	_	_
6	.	.	PUNCT	.	_	5	punct	_	_

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1	Был	БЫТЬ	VERB	VBC	Aspect=Imp|Gender=Masc|Mood=Ind|Number=Sing|Tense=Past|VerbForm=Fin	2	cop	_	_
2	одним	ОДИН	NUM	CD	Animacy=Anim|Case=Ins|Gender=Masc|Number=Sing	0	root	_	_
3	из	ИЗ	ADP	IN	_	4	case	_	_
4	организаторов	ОРГАНИЗАТОР	NOUN	NN	Animacy=Anim|Case=Gen|Gender=Masc|Number=Plur	2	nmod	_	_
5	борьбы	БОРЬБА	NOUN	NN	Animacy=Inan|Case=Gen|Gender=Fem|Number=Sing	4	nmod	_	_
6	с	С	ADP	IN	_	7	case	_	_
7	филлоксерой	ФИЛЛОКСЕРА	NOUN	NN	Animacy=Anim|Case=Ins|Gender=Fem|Number=Sing	5	nmod	_	_
8	.	.	PUNCT	.	_	2	punct	_	_


Treebank Statistics (UD_Russian-SynTagRus)

This relation is universal.

5104 nodes (0%) are attached to their parents as cop.

3734 instances of cop (73%) are right-to-left (child precedes parent). Average distance between parent and child is 1.85148902821317.

The following 20 pairs of parts of speech are connected with cop: ru-pos/ADJ-ru-pos/AUX (2237; 44% instances), ru-pos/NOUN-ru-pos/AUX (1534; 30% instances), ru-pos/NOUN-ru-pos/PART (532; 10% instances), ru-pos/ADV-ru-pos/AUX (504; 10% instances), ru-pos/PRON-ru-pos/AUX (77; 2% instances), ru-pos/PROPN-ru-pos/AUX (75; 1% instances), ru-pos/VERB-ru-pos/PART (36; 1% instances), ru-pos/ADJ-ru-pos/PART (35; 1% instances), ru-pos/VERB-ru-pos/AUX (24; 0% instances), ru-pos/PRON-ru-pos/PART (11; 0% instances), ru-pos/PROPN-ru-pos/PART (10; 0% instances), ru-pos/SCONJ-ru-pos/AUX (10; 0% instances), ru-pos/ADV-ru-pos/PART (6; 0% instances), ru-pos/SYM-ru-pos/AUX (5; 0% instances), ru-pos/NUM-ru-pos/PART (2; 0% instances), ru-pos/SCONJ-ru-pos/PART (2; 0% instances), ru-pos/PART-ru-pos/AUX (1; 0% instances), ru-pos/PART-ru-pos/PART (1; 0% instances), ru-pos/SYM-ru-pos/PART (1; 0% instances), ru-pos/X-ru-pos/AUX (1; 0% instances).

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1	Алгоритм	алгоритм	NOUN	_	Animacy=Inan|Case=Nom|Gender=Masc|Number=Sing	2	nsubj	_	_
2	должен	должен	ADJ	_	Degree=Pos|Gender=Masc|Number=Sing|Variant=Brev	0	root	_	_
3	быть	быть	AUX	_	Aspect=Imp|VerbForm=Inf	4	cop	_	_
4	применим	применимый	ADJ	_	Degree=Pos|Gender=Masc|Number=Sing|Variant=Brev	2	nmod	_	_
5	к	к	ADP	_	_	7	case	_	_
6	разным	разный	ADJ	_	Case=Dat|Degree=Pos|Number=Plur	7	amod	_	_
7	наборам	набор	NOUN	_	Animacy=Inan|Case=Dat|Gender=Masc|Number=Plur	4	nmod	_	_
8	исходных	исходный	ADJ	_	Case=Gen|Degree=Pos|Number=Plur	9	amod	_	_
9	данных	данные	NOUN	_	Animacy=Inan|Case=Gen|Number=Plur	7	nmod	_	_
10	.	.	PUNCT	.	_	2	punct	_	_

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1	Для	для	ADP	_	_	2	case	_	_
2	этого	это	NOUN	_	Animacy=Inan|Case=Gen|Gender=Neut|Number=Sing	0	root	_	_
3	есть	быть	AUX	_	Aspect=Imp|Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin|Voice=Act	2	cop	_	_
4	внешний	внешний	ADJ	_	Case=Nom|Degree=Pos|Gender=Masc|Number=Sing	5	amod	_	_
5	повод	повод	NOUN	_	Animacy=Inan|Case=Nom|Gender=Masc|Number=Sing	2	nsubj	_	_
6	.	.	PUNCT	.	_	2	punct	_	_

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1	Но	но	CONJ	_	_	5	cc	_	_
2	главное	главное	NOUN	_	Animacy=Inan|Case=Nom|Gender=Neut|Number=Sing	5	nsubj	_	_
3	-	-	PUNCT	-	_	2	punct	_	_
4	это	это	PART	_	_	5	cop	_	_
5	эффективность	эффективность	NOUN	_	Animacy=Inan|Case=Nom|Gender=Fem|Number=Sing	0	root	_	_
6	государства	государство	NOUN	_	Animacy=Inan|Case=Gen|Gender=Neut|Number=Sing	5	nmod	_	_
7	.	.	PUNCT	.	_	5	punct	_	_


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