she wrote the sentence using the grammar she was learning.为什么用usi_英语解答

she wrote the sentence using the grammar she was learning.为什么用using?/什么成分?急,急,急,急,急
请多多举类似例子

人气：300 ℃　时间：2020-04-22 15:37:46

解答

做wrote的状语,表示写的方式或方法.再比如：
She feeds up the flower watering it everyday.