在雅思小作文中，趋势线表达是经常用到的表达方式之一，那么下面就和出国留学网的小编来看看2018年雅思小作文趋势性表达句型有哪些？
常用的小作文的趋势句式表达
句式一： 变化主体/图画中主体+趋势动词+副词+时间区间
Eg： The number of aged people over 65 increased significantly from 1940-2000.
The number of aged people over 65 dropped slightly from 1960-1980.
The number of aged people over 65 fluctuated between 1 million and 1.2 million from 1940-1950.
The number of aged people over 65 remained stable from 1930-1940.
句式二： There be + 形容词 + 表示趋势的名词 + in+ 变化的主体 + 时间区间
Eg： There was an significant increase in the number of aged people over 65 from 1940-2000.
There was a slight decline in the number of aged people over 65 from 1960-1980.
There was a fluctuation between 1 million and 1.2 million from 1940-1950.
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