i am writing this letter to thank you for teaching me english this summeri am writing this letter to thank you for teaching me english this summer宾语补足语是TO thank you for teahcing me english 分析这个句子的成分
问题描述：
i am writing this letter to thank you for teaching me english this summer
i am writing this letter to thank you for teaching me english this summer
宾语补足语是TO thank you for teahcing me english 分析这个句子的成分
答
to thank you for teaching me english 不定式做目的状语,写信的目的是为了感谢....
teaching me english 这个是动词+宾语+宾补
答
i 主语 am writing 是谓语
this letter 是宾语
to thank you for teaching me english this summer 是原因状语。
在这个原因状语中， teaching me enlish. 是双宾语结构， me 是间接宾语，english 是直接宾语。
答
i主语
am writing谓语
this letter宾语
to thank you for teaching me english this summer宾补
其中不定式短语里还包含一个类似于“宾补”的结构,介宾短语作宾补