for 是介词,介词后面一定用带有名词属性的词,比如名词,代词(代名词),动名词(V-ing形式)或动名词短语 各举一例: 1.We should search the room for evidence. 2.I am doing this just for you. 3.He strives for establishing his own empire.
1 是介词。后面加名词,代词(代名词),动名词(V-ing形式)或动名词短语 例句: She loves him for himself,not for his money or fame. 2 是连接词,解释为----因为------后面要加句子。 例句: She can't come today, for she is down with a very bad cold.