While awaiting my licensure to practice dental hygiene, I have had the opportunity to look back upon my education at Indiana University School of Dentistry.
( ( While ( awaiting ( my ( licensure ( to ( practice ( dental hygiene ) ) ) ) ) ) ) ( , ( I ( ( have ( ( had ( the opportunity ) ) ( to ( ( ( look back ) ( upon ( my education ) ) ) ( at ( ( Indiana ( University School ) ) ( of Dentistry ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN While) (S (VP (VBG awaiting) (NP (PRP$ my) (NN licensure) (S (VP (TO to) (VP (VB practice) (NP (JJ dental) (NN hygiene))))))))) (, ,) (NP (PRP I)) (VP (VBP have) (VP (VBN had) (NP (DT the) (NN opportunity)) (S (VP (TO to) (VP (VB look) (PRT (RP back)) (PP (IN upon) (NP (PRP$ my) (NN education))) (PP (IN at) (NP (NP (NNP Indiana) (NNP University) (NNP School)) (PP (IN of) (NP (NNP Dentistry)))))))))) (. .)))
My license to practice dental hygiene will take 2 more weeks to arrive. 
( ( My ( license ( to ( practice ( dental hygiene ) ) ) ) ) ( ( will ( ( take ( 2 ( more weeks ) ) ) ( to arrive ) ) ) . ) )
(ROOT (S (NP (PRP$ My) (NN license) (S (VP (TO to) (VP (VB practice) (NP (JJ dental) (NN hygiene)))))) (VP (MD will) (VP (VB take) (NP (CD 2) (JJR more) (NNS weeks)) (S (VP (TO to) (VP (VB arrive)))))) (. .)))