在雅思的的小作文中，经常出现趋势类的描写，那今天我们就来看看有哪些描写趋势的表达，多掌握几种趋势类表达对我们的雅思写作更有利。
表趋势的词+不同介词的不同含义
大家都知道"increase"是上升的意思，那当它后面加了不同的介词之后含义会有什么变化呢？如果不懂区分在考试时就会容易混淆造成失分，同学们一定要避免这个错误呀
固定搭配：increase to 增长到...
例句：Starting with the production of and demand for steel, 4000 million tonnes were produced in January and then the amount increased to 5000 million before dropping back to the January figure in March.
固定搭配：increase from A to B 从A增长到B
例句：The number of people watching TV and movies increased from 1980 to 2020.
固定搭配：increase by 增长了...
例句：The per unit area yield of ginned cotton has increased by 10% over last year.
固定搭配：increase until 直到...前都保持增长趋势
例句：The death rate will increase until at least 100-200 million people per year will be starving to death during the next ten years.
描述未来（预测）趋势
在动态图中考生经常会看到题目中的数据不仅涉及到了过去和现在，还涉及到了未来，那我们在描述未来趋势的时候，如果只用"will"就会显得很词穷，除了"will"还有哪些表达可以用于对未来趋势的描述呢？
is expected to
is forecast to
is predicted to
is projected to
is shown to
例句：The number of people doing woodwork increased by about 10 from 1980 to 1990 and suddenly increased to 200 people in 2000. After that, it has steadily decreased, and this trend is predicted to continue until 2040.
今天的内容很值得大家去多看几遍，大家也可以花一点零碎的时间去记忆这些表达，对大家的写作很有帮助的。
