He began to conduct linguistic fieldwork throughout China for the Institute of History and Philology of Academia Sinica from 1928 onwards.
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	2	nsubj	2:nsubj|4:nsubj:xsubj	Discourse=joint-sequence_m:34->22:1|Entity=(6-person-giv:act-cf1*-1-ana-Yuen_Ren_Chao)
2	began	begin	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	to	to	PART	TO	_	4	mark	4:mark	_
4	conduct	conduct	VERB	VB	VerbForm=Inf	2	xcomp	2:xcomp	_
5	linguistic	linguistic	ADJ	JJ	Degree=Pos	6	amod	6:amod	Entity=(67-abstract-new-cf3-2-sgl
6	fieldwork	fieldwork	NOUN	NN	Number=Sing	4	obj	4:obj	Entity=67)
7	throughout	throughout	ADP	IN	_	8	case	8:case	_
8	China	China	PROPN	NNP	Number=Sing	4	obl	4:obl:throughout	Entity=(36-place-giv:act-cf2-1-coref-China)
9	for	for	ADP	IN	_	11	case	11:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	11:det	Entity=(68-organization-new-cf4-2,4,6,8,9-sgl
11	Institute	Institute	PROPN	NNP	Number=Sing	4	obl	4:obl:for	_
12	of	of	ADP	IN	_	13	case	13:case	_
13	History	History	PROPN	NNP	Number=Sing	11	nmod	11:nmod:of	Entity=(69-abstract-new-cf5-1-sgl-History)
14	and	and	CCONJ	CC	_	15	cc	15:cc	_
15	Philology	Philology	PROPN	NNP	Number=Sing	13	conj	11:nmod:of|13:conj:and	Entity=(70-abstract-new-cf6-1-sgl-Philology)
16	of	of	ADP	IN	_	17	case	17:case	_
17	Academia	Academia	PROPN	NNP	Number=Sing	13	nmod	13:nmod:of	Entity=(71-organization-new-cf7-1,2-sgl-Academia_Sinica|XML=<ref target:::"https://en.wikipedia.org/wiki/Academia_Sinica">
18	Sinica	Sinica	PROPN	NNP	Number=Sing	17	flat	17:flat	Entity=71)68)|XML=</ref>
19	from	from	ADP	IN	_	20	case	20:case	_
20	1928	1928	NUM	CD	NumForm=Digit|NumType=Card	2	obl	2:obl:from	Entity=(72-time-new-cf8-2-coref(73-time-new-cf9-1-sgl)|XML=<date when:::"1928"></date>
21	onwards	onwards	ADV	RB	Degree=Pos	2	advmod	2:advmod	Entity=72)|SpaceAfter=No
22	.	.	PUNCT	.	_	2	punct	2:punct	_
