一、with引导的介宾短语？
with后需要加宾语再加介宾短语，如He came in with a book in his hand.
二、with短语可以当什么成分？
①
with的复合结构,在句中一般充当两种成分：状语和后置定语.
其中以作状语常见常考.
如：The teacher entered the classroom,with a book in his hand.
“with a book in his hand”做伴随状语。
再如：Do you know the boy with a book in his hand?
“with a book in his hand”做“the boy”的后置定语。
②
with短语可以作为宾语成分，例如I will go With you.
③
在英语句子中with短语可以作状语
三、with优点短语？
1、 with＋名词／代词＋形容词
He stared at me with his mouth open.
他张着嘴，凝视着我。
It is not good manners to speak with your mouth full．
满嘴食物去说话是不礼貌的。
Before he came here, my father used to sleep with his eyes open. 我父亲来这儿之前，常常睁着眼睛睡觉。
It was cold outside, the boy ran into the room with his nose red. 外面天气很冷，那个男孩跑进了屋子时，鼻子红红的。
2、 with＋名词／代词＋副词
The boy stood there,with his head down.
这个男孩低着头站在那里。
Holmes and Watson sat with the light on foe half an hour.
福尔摩斯和华生开着灯坐了半小时。
