【中国结】
中国结最初是由手工艺人发明的，经过数百年不断的改进，已经成为一种优雅多彩的艺术和工艺。在古代，人们用它来记录事件，但现在主要是用于装饰的目的。结在中文里意味这爱情丶婚姻和团聚，中国结常常作为礼物交换或作用饰品祈求好运和辟邪。这种形式的手工艺代代相传，现在已经在中国和世界各地越来越受欢迎。
参考译文：
The Chinese knot was firstly invented by craftsman and it has become an elegant art after hundred years of improvement. In ancient times, people use knot to record events, but nowadays it is used for decoration. Knot in Chinese stands for love, marriage and reunion. Chinese knot is used as gift or ornament, which can bring in good luck and sweep away ill fortune. Having handed over generations after generations, this type of handicraft is extremely popular in China as well as the whole world.
牛津实用英语语法:197 过去完成进行时形式与用法
牛津实用英语语法:171 think， assume和expect
牛津实用英语语法:160 will和should表示假设
牛津实用英语语法:142 ought／should与进行式连用
牛津实用英语语法:169 feel，look，smell和taste
牛津实用英语语法:202 现在进行时用来表示将来
牛津实用英语语法:194 过去完成时形式和用法
牛津实用英语语法:141 ought／should与must和 have to的比较
牛津实用英语语法:155 need意指require（需要）
牛津实用英语语法:191 现在完成进行时用法