You and I have done some important work together.
( ( ( You and ) I ) ( ( have ( ( done ( some ( important work ) ) ) together ) ) . ) )
(ROOT (S (NP (PRP You) (CC and) (PRP I)) (VP (VBP have) (VP (VBN done) (NP (DT some) (JJ important) (NN work)) (ADVP (RB together)))) (. .)))
The work we have accomplished together is very important.
( ( ( The work ) ( we ( have ( accomplished together ) ) ) ) ( ( is ( very important ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN work)) (SBAR (S (NP (PRP we)) (VP (VBP have) (VP (VBN accomplished) (ADVP (RB together))))))) (VP (VBZ is) (ADJP (RB very) (JJ important))) (. .)))