1.I love the girl who is reading a book under the tree.
宾语丛句 是用来修饰宾语的.造句时,首先要有一个主干句,比如上面的主干就是“ 我喜欢那个女孩儿”,“ 女孩儿”就是 宾语.“who is reading a book under the tree”就是对女孩儿进行修饰的.
2.LiMing lives in Beijing where is capital of China.
此句中主干是 “李明住在北京”.“where is capital of China”是对北京进行修饰.
注意：宾语从句的连接词 可以是 that who where