( ( Because ( of ( ( the ( tetrahedral configuration ) ) ( of ( ( electron pairs ) ( around ( singly ( bonded carbon ) ) ) ) ) ) ) ) ( , ( ( many ( different ( three-dimensional structures ) ) ) ( ( can ( be ( achieved ( by ( carbon-carbon bonding ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Because) (PP (IN of) (NP (NP (DT the) (JJ tetrahedral) (NN configuration)) (PP (IN of) (NP (NP (NN electron) (NNS pairs)) (PP (IN around) (NP (JJ singly) (JJ bonded) (NN carbon)))))))) (, ,) (NP (JJ many) (JJ different) (JJ three-dimensional) (NNS structures)) (VP (MD can) (VP (VB be) (VP (VBN achieved) (PP (IN by) (NP (JJ carbon-carbon) (NN bonding)))))) (. .)))
Because of the tetrahedral configuration of electron pairs around singly bonded carbon, many different three-dimensional structures can be achieved by carbon-carbon bonding.
(ROOT (S (PP (IN In) (NP (DT a) (NN carbon) (JJ triple) (NN bond))) (, ,) (NP (NP (CD three) (NNS pairs)) (PP (IN of) (NP (NNS electrons)))) (VP (VBP are) (VP (VBN shared))) (. .)))