If you have any trouble with the boiler, for heaven's sake let Mackie look at it before you send to town.
1	If	if	SCONJ	_	_	3	mark	_	_
2	you	you	PRON	PERS-P2	_	3	nsubj	_	_
3	have	have	VERB	PRES	Mood=Ind|Tense=Pres|VerbForm=Fin	14	advcl	_	_
4	any	any	DET	IND	_	5	det	_	_
5	trouble	trouble	NOUN	SG-NOM	Number=Sing	3	obj	_	_
6	with	with	ADP	_	_	8	case	_	_
7	the	the	DET	DEF	Definite=Def|PronType=Art	8	det	_	_
8	boiler	boiler	NOUN	SG-NOM	Number=Sing	3	obl	_	SpaceAfter=No
9	,	,	PUNCT	Comma	_	3	punct	_	_
10	for	for	ADP	_	_	13	case	_	_
11	heaven	heaven	NOUN	SG	Number=Sing	13	nmod	_	SpaceAfter=No
12	's	's	PART	GEN	_	11	case	_	_
13	sake	sake	NOUN	SG-NOM	Number=Sing	14	obl	_	_
14	let	let	VERB	IMP	Mood=Imp|VerbForm=Fin	0	root	_	_
15	Mackie	Mackie	PROPN	SG-NOM	Number=Sing	14	obj	_	_
16	look	look	VERB	INF	VerbForm=Inf	14	xcomp	_	_
17	at	at	ADP	_	_	18	case	_	_
18	it	it	PRON	PERS-SG	_	16	obl	_	_
19	before	before	SCONJ	_	_	21	mark	_	_
20	you	you	PRON	PERS-P2	_	21	nsubj	_	_
21	send	send	VERB	PRES	Mood=Ind|Tense=Pres|VerbForm=Fin	16	advcl	_	_
22	to	to	ADP	_	_	23	case	_	_
23	town	town	NOUN	SG-NOM	Number=Sing	21	obl	_	SpaceAfter=No
24	.	.	PUNCT	Period	_	14	punct	_	_
