i spent a number of years in the service as an intelligence analyst
( i ( ( spent ( ( a number ) ( of ( years ( in ( the service ) ) ) ) ) ) ( as ( an ( intelligence analyst ) ) ) ) )
(ROOT (S (NP (FW i)) (VP (VBD spent) (NP (NP (DT a) (NN number)) (PP (IN of) (NP (NP (NNS years)) (PP (IN in) (NP (DT the) (NN service)))))) (PP (IN as) (NP (DT an) (NN intelligence) (NN analyst))))))
I was an intelligence analyst for quite some time.
( I ( ( was ( ( an ( intelligence analyst ) ) ( for ( quite ( some time ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD was) (NP (NP (DT an) (NN intelligence) (NN analyst)) (PP (IN for) (NP (PDT quite) (DT some) (NN time))))) (. .)))