Then he came and we stayed on in the same place.
( Then ( ( ( ( he came ) and ) ( we ( ( stayed on ) ( in ( the ( same place ) ) ) ) ) ) . ) )
(ROOT (S (RB Then) (S (NP (PRP he)) (VP (VBD came))) (CC and) (S (NP (PRP we)) (VP (VBD stayed) (PRT (RP on)) (PP (IN in) (NP (DT the) (JJ same) (NN place))))) (. .)))
We left before he came.
( We ( ( left ( before ( he came ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBD left) (SBAR (IN before) (S (NP (PRP he)) (VP (VBD came))))) (. .)))