4、 比较with和as：两者均可表示“随着”，但前者是介词，后接名词或代词；后者是连词，用于引导一个句子。
5、with的复合结构 “with+宾语+宾语补足语”是一个很有用的'结构，它在句中主要用作状语，表示伴随、原因、时间、条件、方式等；其中的宾语补足语可以是名词、形容词、副词、现在分词、过去分词、不定式、介词短语等。如：
(1) with+宾语+形容词
He often sleeps with the windows open. 他常开着窗睡觉。
Don’t speak with your mouth full. 不要满嘴巴食物说话。
(2) with+宾语+ 副词
He stood before his teacher with his head down. 他低着头 站在老师面前。
He was lying on the bed with all his clothes on. 他和衣 躺在床上。
(3) with +宾语+ 介词短语
She said good-bye with tears in her eyes. 她含着眼泪说了声再见。
The man was asleep with his head on his arms. 这个人头枕着胳膊睡着了。
(4) with+宾语+现在分词
He fell asleep with the lamp burning. 他没熄灯就睡着了。
I won’t be able to go on holiday with my mother being ill. 因为妈妈有病, 我无法去度假。
(5) with +宾语+ 过去分词
He sat there with his eyes closed. 他闭目坐在那儿。
All the afternoon he worked with the door locked. 整个下午他都锁着门在房里工作。
(6) with +宾语+ 动词不定式
I can’t go out with all these clothes to wash. 要洗这些衣服, 我无法出去了。
With such good cadres to carry out the Party’s policy we feel safe. 有这样的好干部执行党的政策, 我们感到放心。
(7) with +宾语+ 名词
He died with his daughter yet a schoolgirl. 他去世时，女儿还是个小学生。
