remain +名词,形容词,副词.
介词短语.做
表语.如
He remained a worker .The weather remained hot .the book remained on the desk.
left +宾语+宾补,宾补是
动词不定式,现在分词,
过去分词,形容词,副词,介词短语.如
he left his work half done when he heard a cry.
don't leave the baby crying all the time .
leave him to do the work.
leave the door open ,