单句结构：一个谓语（谓语的类型决定了简单句的句型）
♦动词为系动词： 主语＋系动词＋表语She is happy.
♦动词为不及物动词：主语＋谓语She smiles.
♦动词为及物动词：主语＋谓语＋宾语She likes music.
主语＋谓语＋宾语＋宾语She tells me a story.
主语＋谓语＋宾语＋补语She makes me smile.
