But as Harry climbed onto the window-sill there came a sudden loud screech from behind him, followed immediately by the thunder of Uncle Vernon's voice.
1	But	but	CCONJ	_	_	9	cc	_	_
2	as	as	SCONJ	_	_	4	mark	_	_
3	Harry	Harry	PROPN	SG-NOM	Number=Sing	4	nsubj	_	_
4	climbed	climb	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	9	advcl	_	_
5	onto	onto	ADP	_	_	7	case	_	_
6	the	the	DET	DEF	Definite=Def|PronType=Art	7	det	_	_
7	window-sill	window-sill	NOUN	SG-NOM	Number=Sing	4	obl	_	_
8	there	there	PRON	EX	_	9	expl	_	_
9	came	come	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
10	a	a	DET	IND-SG	Definite=Ind|PronType=Art	13	det	_	_
11	sudden	sudden	ADJ	POS	Degree=Pos	13	amod	_	_
12	loud	loud	ADJ	POS	Case=Nom	13	amod	_	_
13	screech	screech	NOUN	SG-NOM	Number=Sing	9	nsubj	_	_
14	from	from	ADP	_	_	16	case	_	_
15	behind	behind	ADP	_	_	16	case	_	_
16	him	he	PRON	PERS-P3SG-ACC	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	13	nmod	_	SpaceAfter=No
17	,	,	PUNCT	Comma	_	18	punct	_	_
18	followed	follow	VERB	PAST	Mood=Ind|Tense=Past|VerbForm=Fin	9	conj	_	_
19	immediately	immediately	ADV	_	_	18	advmod	_	_
20	by	by	ADP	_	_	22	case	_	_
21	the	the	DET	DEF	Definite=Def|PronType=Art	22	det	_	_
22	thunder	thunder	NOUN	SG-NOM	Number=Sing	18	obl	_	_
23	of	of	ADP	_	_	27	case	_	_
24	Uncle	uncle	NOUN	SG-NOM	Number=Sing	25	compound	_	_
25	Vernon	Vernon	PROPN	SG	Number=Sing	27	nmod:poss	_	SpaceAfter=No
26	's	's	PART	GEN	_	25	case	_	_
27	voice	voice	NOUN	SG-NOM	Number=Sing	22	nmod	_	SpaceAfter=No
28	.	.	PUNCT	Period	_	9	punct	_	_
