They decided to go on a trip to the Great Wall during the summer vacation.

问题描述:

They decided to go on a trip to the Great Wall during the summer vacation.
划分一下句子成分,主谓宾定状补什么的.谁修饰谁.

They主语
decided to谓语
go on a trip宾语
to the Great Wall宾语补足语
during the summer vacation.时间状语