about用法归纳复习

about的可以作形容词、副词和介词，意思是在附近的、大约关于。about指代关于某件事情，某个事物，即about sth.

1.作副词

①大约,左右.如There are about 30 students on the playground.操场上大约有30个学生.

②将要,将近.如I’m about ready.我快准备好了.

③到处,各处.如The children are running about.孩子们到处乱跑.(表示动向)

People are sitting about on the grass.人们在草地的各处坐着.(强调位置)

2.作介词

①在……到处；在……各处.如He is walking about the town.他在城镇到处走.

②关于；对于；有关.如I am going to read a book about that big city.我要读一本关于那个大城市的书.

3.固定搭配

①be about to do sth.如We are about to start.我们即将动身.

②what/how about...……怎么样?(用于询问信息或征求意见)如How about going to Canada for our holidays?咱们去加拿大度假,好吗?