( ( So ( ( ( remember , ) ( in ( order ( for ( electric current ) ) ) ) ) ( to flow ) ) ) ( , ( there ( ( must ( be ( ( a ( closed loop ) ) ( of ( conductive material ) ) ) ) ) . ) ) ) )
(ROOT (S (S (ADVP (RB So)) (VP (VB remember) (, ,) (PP (IN in) (NP (NP (NN order)) (PP (IN for) (NP (JJ electric) (NN current))))) (PP (TO to) (NP (NN flow))))) (, ,) (NP (EX there)) (VP (MD must) (VP (VB be) (NP (NP (DT a) (VBN closed) (NN loop)) (PP (IN of) (NP (JJ conductive) (NN material)))))) (. .)))
So remember, in order for electric current to flow, there must be a closed loop of conductive material.
(ROOT (S (SBAR (IN Because) (S (NP (NNS charges)) (VP (MD must) (VP (VB have) (NP (DT an) (JJ unbroken) (NN path) (S (VP (TO to) (VP (VB follow))))))))) (, ,) (NP (JJ electric) (NN current)) (VP (MD can) (RB not) (VP (VB flow) (PP (IN through) (NP (DT a) (NN material))) (SBAR (IN unless) (S (NP (PRP it)) (VP (VBZ forms) (NP (DT a) (VBN closed) (NN loop))))))) (. .)))