方式状语,即句子谓语动作发生的方式,或者句子谓语动作是以何种方式发生的。
She goes to school on foot every day.
Tom goes to school by bike every day.
方式状语从句,句用一个从句来描述主句谓语动作发生的方式
Do you work as I have shown you?
你是按我示范的方法做的吗?
He can only do his homework as I told him.
他只会按我告诉他的方法做作业。
Ellen's face wrinkles as if she is about to sneeze.
艾伦的脸皱了起来,好像要打喷嚏。
伴随状语:即伴随状语的动作是伴随句子谓语动作发生的。
分词结构形式伴随状语
He sat in the armchair,reading a newspaper.
他坐在扶手椅里读报。
All night long he lay awake,thinking of the problem.
他整夜躺在床上睡不着,思考着那个问题。
The dog entered the room, following his master.
(备注:分词结构伴随状语通常前有逗号的是伴随状语。处分词作伴随状语是一种十分常见语言现象,当然还有其他介词短语,独立主格,名词,形容词,等作伴随状语或者方式状语 )