托福写作要拿高分，句子质量是一个关键因素，在众多提升句子质量的方法中，with/without介词短语是一个简单而又用途广泛的结构，现在就让我们一起来见证with/without介词短语结构的神奇吧。

一方面，with/without介词短语可以用作定语，修饰名词。

例如：

The girl with blond hair over there is my cousin.

I like TV programs without the interruption of frequent advertisements.

现在让我们一起来看一下短小的简单句如何通过with/ without变得洋气起来吧~

My brother is a high school student. His academic performance isoutstanding.

My brother is a high school student with outstanding academicperformance.留学考雅思还是托福

I was born and raised up in a peaceful and prosperous city. Citizens arepolite to each other and there is no crime or theft.

I was born and raised up in a peaceful and prosperous city with itscitizens polite to each other and without any crime or theft.

另一方面，with/ without 介词短语可以用作状语，修饰动词或整个句子。

条件状语：

With free time and no TV, they might rediscover reading.

Without hard work, you are likely to acomplish nothing.

伴随状语：

With a smile on his face, the teacher walked into the classroom.

He walked away in anger, without giving a look at anyone around him.

原因状语：

With so many assignments to do, the boy had to stay up till midnight.

Without enough money, the little boy had no choice but to accept thesmallest toy.

此外，with/ without介词短语和可以和虚拟语气连用呢。

Without the support from his family, he could not have achived such asuccess.要是没有家人的支持，他不可能获得如此的成功。

With loads of baggage, we would not have managed to cover the long distanceacross the forest.要是带了大量的行李，我们是不可能成功地走完长长的路程从而穿过森林的。