Possibly three months."
( ( ( Possibly ( three months ) ) . ) '' )
(ROOT (S (VP (VB Possibly) (NP (CD three) (NNS months))) (. .) ('' '')))
At no time ever. 
( ( At no ) ( ( time ever ) . ) )
(ROOT (FRAG (ADVP (IN At) (DT no)) (NP (NN time) (RB ever)) (. .)))