帮忙分析下面这个句子有没有错误吧

题目

帮忙分析下面这个句子有没有错误吧
The first chart shows information on marital and divorced number from 1970 to 2000.The number of marriages remain stable at around 2.5 million people between 1970 and 1980.In the next decade,the marital number experienced a slight decline,almost 2.2 million adults prefer to marry partner.Then,the number of marriages are expected to decrease steadily to 2 million.
帮忙分析一个这个句子有没有错吧,然后帮我讲解一下为什么把!

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