Part 1: 独立主格的语法概念与实战
With Sb./Sth. doing..., 主句
With Sb./Sth. done..., 主句
或者： 主句， with Sb./Sth. doing...
主句， with Sb./Sth done....
1.独立主格在句首作状语和分词短语近似
Because universities are accepting more and more students, universities are providing a tertiary education of lower quality.
(分词状语）Accepting more and more students, universities are providing a tertiary education of lower quality.
Because Mr. Jason led the way, we had no difficulty in passing the IELTS test.
（独立主格状语）With Mr. Jason leading the way, we had no difficulty in passing the IELTS test.
2.独立主格的被动形式
As so many animal experiments are implemented, medical technology is undertaking earth-shaking changes.
With so many animal experiments implemented, medical technology is undertaking earth-shaking changes.
If these tasks are finished ahead of the schedule, you are allowed to take a holiday.
With these tasks finished ahead of the schedule, you are allowed to take a holiday.
语法规则：分词短语省主语，独立主格留主语。
3.大作文中独立主格至于句尾做伴随状语。
Along with globalization have come urbanization and centralization. To be precise, the size of cities is expanding considerably, with a large amount of population living in cities.
=Along with globalization have come urbanization and centralization. To be precise, the size of cities is expanding considerably and a large amount of population living in cities.
4. 小作文中独立主格做句尾伴随状语
The income of Robbie’s Bakery rose sharply in 2008, rocketing to just under ￡100,000.（分词伴随）
According to the table, in terms of Food/Drinks/Tobacco, Turkey (32.14%) ranked the first, while Ireland was the second highest, with the remaining countries ranging from 15.77% to 18.80%.（独立主格伴随）
=According to the table, in terms of Food/Drinks/Tobacco, Turkey (32.14%) ranked the first, while Ireland was the second highest and the remaining countries ranged from 15.77% to 18.80%.
The remaining 40 units were produced largely from oil and nuclear power, with hydro contributing only 5 units. （独立主格）
=The remaining 40 units were produced largely from oil and nuclear power and hydro contributed only 5 units.
5. 被动独立主格在句尾伴随
Jim was standing there, motionless, with his eyes fixed upon Della.
=Jim was standing there, motionless and his eyes were fixed upon Della.
Part 2： 分词伴随与独立主格状语的语法总结
1.现在分词表主动，独立主格表被动；
2.分词短语省主语，独立主格留主语；
3.句首表“时假因让”，句尾结果与伴随。
Part 3： 学以致用练习篇
1. 曲奇饼和蛋糕是第二畅销的产品，各自有大约115个和100个卖掉了。
2. Burnie’s Buns的肉卷比薯片卖得稍微多一点，大约两种产品都有75个左右离开货架。