how bad an actress she is 
(ROOT (SBAR (WHNP (WHADJP (WRB how) (JJ bad)) (NP (DT an) (NN actress))) (S (NP (PRP she)) (VP (VBZ is)))))
(ROOT (SBAR (WHNP (WHADJP (WRB ) (JJ )) (NP (DT ) (NN ))) (S (NP (PRP )) (VP (VBZ )))))