The metaphor of a scaffold has been used to describe eective adult support as children work on tasks that teach culturally valued concepts and skills.
( ( ( The metaphor ) ( of ( a scaffold ) ) ) ( ( has ( been ( used ( to ( ( describe ( eective ( adult support ) ) ) ( as ( children ( work ( on ( tasks ( that ( teach ( ( ( ( culturally valued ) concepts ) and ) skills ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN metaphor)) (PP (IN of) (NP (DT a) (NN scaffold)))) (VP (VBZ has) (VP (VBN been) (VP (VBN used) (S (VP (TO to) (VP (VB describe) (NP (JJ eective) (NN adult) (NN support)) (SBAR (IN as) (S (NP (NNS children)) (VP (VBP work) (PP (IN on) (NP (NP (NNS tasks)) (SBAR (WHNP (WDT that)) (S (VP (VBP teach) (NP (NP (ADJP (RB culturally) (VBN valued)) (NNS concepts)) (CC and) (NP (NNS skills))))))))))))))))) (. .)))
Children can work on tasks that teach culturally valued concepts and skills.
( Children ( ( can ( work ( on ( tasks ( that ( teach ( ( ( ( culturally valued ) concepts ) and ) skills ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Children)) (VP (MD can) (VP (VB work) (PP (IN on) (NP (NP (NNS tasks)) (SBAR (WHNP (WDT that)) (S (VP (VBP teach) (NP (NP (ADJP (RB culturally) (VBN valued)) (NNS concepts)) (CC and) (NP (NNS skills)))))))))) (. .)))