Perhaps one day we shall find an Etruscan library, buried deep in the Italian countryside; but for the present, we have to make do with what we have, which is precious little.
( ( ( ( ( Perhaps ( ( one day ) ( we ( shall ( find ( ( ( an ( Etruscan library ) ) , ) ( ( buried deep ) ( in ( the ( Italian countryside ) ) ) ) ) ) ) ) ) ) ; ) but ) ( ( for ( the present ) ) ( , ( we ( ( ( have ( to ( make ( do ( with ( what ( we have ) ) ) ) ) ) ) , ) ( which ( is ( precious little ) ) ) ) ) ) ) ) . )
(ROOT (S (S (ADVP (RB Perhaps)) (NP (CD one) (NN day)) (NP (PRP we)) (VP (MD shall) (VP (VB find) (NP (NP (DT an) (JJ Etruscan) (NN library)) (, ,) (VP (VBN buried) (ADVP (RB deep)) (PP (IN in) (NP (DT the) (JJ Italian) (NN countryside)))))))) (: ;) (CC but) (S (PP (IN for) (NP (DT the) (NN present))) (, ,) (NP (PRP we)) (VP (VBP have) (S (VP (TO to) (VP (VB make) (VP (VB do) (PP (IN with) (SBAR (WHNP (WP what)) (S (NP (PRP we)) (VP (VBP have))))))))) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADJP (RB precious) (JJ little))))))) (. .)))
How much we have is generally relative. 
( ( ( How much ) ( we have ) ) ( ( is ( generally relative ) ) . ) )
(ROOT (S (SBAR (WHADJP (WRB How) (JJ much)) (S (NP (PRP we)) (VP (VBP have)))) (VP (VBZ is) (ADJP (RB generally) (JJ relative))) (. .)))