Let me know if this is your understanding, as well.
1	Let	let	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	0:root	_
2	me	I	PRON	PRP	Case=Acc|Number=Sing|Person=1|PronType=Prs	1	obj	1:obj|3:nsubj:xsubj	_
3	know	know	VERB	VB	VerbForm=Inf	1	xcomp	1:xcomp	_
4	if	if	SCONJ	IN	_	8	mark	8:mark	_
5	this	this	PRON	DT	Number=Sing|PronType=Dem	8	nsubj	8:nsubj	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	8:cop	_
7	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	8	nmod:poss	8:nmod:poss	_
8	understanding	understanding	NOUN	NN	Number=Sing	3	advcl	3:advcl:if	SpaceAfter=No
9	,	,	PUNCT	,	_	8	punct	8:punct	_
10	as	as	ADV	RB	_	8	advmod	8:advmod	_
11	well	well	ADV	RB	Degree=Pos	10	fixed	10:fixed	SpaceAfter=No
12	.	.	PUNCT	.	_	1	punct	1:punct	_
