He again returned to China in 1925, teaching at Tsinghua, and beginning a survey of the Wu dialects in 1926.
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	3:nsubj	Discourse=joint-sequence_m:31->22:1|Entity=(6-person-giv:act-cf1*-1-ana-Yuen_Ren_Chao)
2	again	again	ADV	RB	Degree=Pos	3	advmod	3:advmod	_
3	returned	return	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
4	to	to	ADP	IN	_	5	case	5:case	_
5	China	China	PROPN	NNP	Number=Sing	3	obl	3:obl:to	Entity=(36-place-giv:inact-cf3-1-coref-China)
6	in	in	ADP	IN	_	7	case	7:case	_
7	1925	1925	NUM	CD	NumForm=Digit|NumType=Card	3	obl	3:obl:in	Entity=(62-time-new-cf6-1-sgl)|SpaceAfter=No|XML=<date when:::"1925"></date>
8	,	,	PUNCT	,	_	9	punct	9:punct	_
9	teaching	teach	VERB	VBG	VerbForm=Ger	3	advcl	3:advcl	Discourse=elaboration-additional:32->31:0
10	at	at	ADP	IN	_	11	case	11:case	_
11	Tsinghua	Tsinghua	PROPN	NNP	Number=Sing	9	obl	9:obl:at	Entity=(60-organization-giv:act-cf2-1-coref-Tsinghua_University)|SpaceAfter=No
12	,	,	PUNCT	,	_	14	punct	14:punct	_
13	and	and	CCONJ	CC	_	14	cc	14:cc	Discourse=joint-list_m:33->32:0
14	beginning	begin	VERB	VBG	VerbForm=Ger	9	conj	3:advcl|9:conj:and	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	16:det	Entity=(63-abstract-new-cf4-2-sgl
16	survey	survey	NOUN	NN	Number=Sing	14	obj	14:obj	_
17	of	of	ADP	IN	_	20	case	20:case	_
18	the	the	DET	DT	Definite=Def|PronType=Art	20	det	20:det	Entity=(64-abstract-new-cf5-3-sgl
19	Wu	Wu	PROPN	NNP	Number=Sing	20	compound	20:compound	Entity=(65-abstract-new-cf8-1-sgl-Wu_Chinese)|XML=<ref target:::"https://en.wikipedia.org/wiki/Wu_Chinese#Dialects">
20	dialects	dialect	NOUN	NNS	Number=Plur	16	nmod	16:nmod:of	Entity=64)63)|XML=</ref>
21	in	in	ADP	IN	_	22	case	22:case	_
22	1926	1926	NUM	CD	NumForm=Digit|NumType=Card	20	obl	20:obl:in	Entity=(66-time-new-cf7-1-sgl)|SpaceAfter=No|XML=<date when:::"1926"></date>
23	.	.	PUNCT	.	_	3	punct	3:punct	_
