定于从句结构是：名词+关系代词+从句 例如：The girl whose father is a scientist came here yesterday
宾语从句结构式 主语+谓语+连接词that+从句:例如：She said that she would fly to USA next week
动词不定式结构式 主语+谓语+to do 例如：He wants to be a famous scientist when he grows up ； 以上就是你需要3种句子结构,希望满意并采纳,有什么问题,可以告诉我你QQ好吗吗?谢谢!