The teacher ask the students【 to close the windows宾补,由于是宾语the students的动作】
he boy needs a pen 【to do his homework目的状语】如句子变成：
To do his homework,the boy needs a pen.
宾补就是宾语发出的动作..
.
The teacher ask the students【 to close the windows宾补,由于是宾语the students的动作】
he boy needs a pen 【to do his homework目的状语】如句子变成：
To do his homework,the boy needs a pen.
宾补就是宾语发出的动作..
.