Back at sea, John had to stand double watches in the engine room because he was shorthanded.
1	Back	back	ADV	_	_	3	advmod	_	_
2	at	at	ADP	_	_	3	case	_	_
3	sea	sea	NOUN	SG-NOM	Number=Sing	8	obl	_	SpaceAfter=No
4	,	,	PUNCT	Comma	_	3	punct	_	_
5	John	John	PROPN	SG-NOM	Number=Sing	8	nsubj	_	_
6	had	have	AUX	PAST-AUX	Mood=Ind|Tense=Past|VerbForm=Fin	8	aux	_	_
7	to	to	PART	_	_	8	mark	_	_
8	stand	stand	VERB	INF	VerbForm=Inf	0	root	_	_
9	double	double	ADJ	POS	Degree=Pos	10	amod	_	_
10	watches	watch	NOUN	PL-NOM	Number=Plur	8	obj	_	_
11	in	in	ADP	_	_	14	case	_	_
12	the	the	DET	DEF	Definite=Def|PronType=Art	14	det	_	_
13	engine	engine	NOUN	SG-NOM	Number=Sing	14	compound	_	_
14	room	room	NOUN	SG-NOM	Number=Sing	8	obl	_	_
15	because	because	SCONJ	_	_	18	mark	_	_
16	he	he	PRON	PERS-P3SG-NOM	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	18	nsubj	_	_
17	was	be	AUX	PAST	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	18	cop	_	_
18	shorthanded	shorthanded	ADJ	POS	Degree=Pos	8	advmod	_	SpaceAfter=No
19	.	.	PUNCT	Period	_	8	punct	_	_
