请把这一个句子改为独立主格结构
问题描述：
请把这一个句子改为独立主格结构
When it approaches to gratuation,they find their academic records are less impressive.
是 It approaching to gratuation,they find their academic records are less impressive.
是上面的么？我猜的。
答
Gratuation (is) approaching,they find their academic records are less impressive.