how long has he been in his present position
( ( how long ) ( ( has he ) ( been ( in ( his ( present position ) ) ) ) ) )
(ROOT (SBARQ (WHADJP (WRB how) (JJ long)) (SQ (VBZ has) (NP (PRP he)) (VP (VBN been) (PP (IN in) (NP (PRP$ his) (JJ present) (NN position)))))))
How long has did he hold his last position?
( ( How long ) ( ( has ( ( did he ) ( hold ( his ( last position ) ) ) ) ) ? ) )
(ROOT (SBARQ (WHADJP (WRB How) (JJ long)) (SQ (VBZ has) (SBARQ (SQ (VBD did) (NP (PRP he)) (VP (VB hold) (NP (PRP$ his) (JJ last) (NN position)))))) (. ?)))