分析下这句英语句子结构Some teachers are concerned about this trend ,arg

分析下这句英语句子结构
Some teachers are concerned about this trend ,arguing that the heavy investment that students are unite to make in computer and communications equipment contradicts of "open".
请彻底分析下句子成份,其中 are unite to make in 是什么成分?
Students are unite to make in heavy investment in computer and communications equipment.中are 是谓语那 unite to make in 是什么成分呢？能不能分析一下？