托福写作分类高分句型可以参考以下几点：

　　图表分析题：在描述数据时，可以使用以下句型：

　　"According to the graph, it can be seen that the line graph / bar chart / pie chart / scatter plot represents the relationship between two variables."

　　"Based on the information given in the chart, it can be concluded that there is a positive / negative correlation between the two variables."

　　"The data clearly indicate that the increase / decrease in the number of X is accompanied by a parallel increase / decrease in the number of Y."

　　立论文：在表达自己观点时，可以使用以下句型：

　　"In my opinion, I believe that… / I am strongly/ moderately/ slightly in favor of/ opposed to the view that…"

　　"The primary reason why I hold this view is that…"

　　"One of the chief arguments in favor of/ against this view is that…"

　　"On the contrary, I believe that… / In contrast, I believe that…"

　　驳论文：在反驳别人的观点时，可以使用以下句型：

　　"I cannot agree with the观点that…"

　　"One of the chief weaknesses of the argument is that it fails to take into account the fact that…"

　　"This argument overlooks the fact that…"

　　"The evidence provided does not convincingly support the conclusion that…"

　　议论文：在提出自己的看法时，可以使用以下句型：

　　"The answer to this question depends on…"

　　"One could argue that…, but it is not a position that I fully subscribe to."

　　"I believe that both sides have valid points, but I think that…"

　　"On balance, I would argue that… / In conclusion, I believe that…"

　　以上是托福写作中常用的几种句型，可以根据具体的写作情境灵活运用。