( ( If ( something ( is ( damaged accidently ) ) ) ) ( , ( it ( should ( be ( reported ( to ( a ( teacher or ) ) ) ) ) ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (NN something)) (VP (VBZ is) (VP (VBN damaged) (ADVP (RB accidently)))))) (, ,) (NP (PRP it)) (VP (MD should) (VP (VB be) (VP (VBN reported) (PP (TO to) (NP (DT a) (NX (NX (NNS teacher)) (CC or)))))))))
If something is damaged accidently, it should be reported to a teacher or
(ROOT (S (SBAR (IN If) (S (NP (DT an) (NN accident)) (VP (VBZ happens) (PP (IN during) (NP (DT a) (NN science) (NN experiment)))))) (, ,) (NP (NP (DT the) (JJ first) (NN thing)) (SBAR (S (NP (DT a) (NN student)) (VP (MD should) (VP (VB do)))))) (VP (VBZ is) (NP (NP (NN report)) (PP (TO to) (NP (DT the) (NN teacher))))) (. .)))