动名词或分词结构

　　1． Improving your study habits will improve your grades.

　　2． Teaching gives me pace, and variety, and challenge, and the opportunity to keep on learning.

　　3． Being very short of money and wanting to do something useful, I applied.

　　4． Having little in common is a frequent cause of divorce.

　　5． Owing sets of books is useless unless you read them.

　　6． Drinking, eating, and smoking excessively can do severe harm to even a young person’s health.

　　7． The art of communication requires learning the language and culture of the audience.

　　递进式结构

　　1． Fresh vegetables are nutritious(有营养的);furthermore, they re cheaper than frozen ones.

　　2． We will not only bring joy into other people’s lives, but also added happiness into our own.

　　3． But teaching offers something beside money and power; it offers love. Not only the love of learning and go books and ideas, but also the love that a teacher feels for his students.

　　4． Not only should you limber up (做准备活动) before exercising, but you must also be sure to cool down afterwards.

　　5． They do not seem to like one anther very much. Neither are they too keen on conventional people (正统的人)