be the first to do還是doing

你好！正確的表達應為：be the first to do…意為“第一個做…的”，該結構裏to do不定式作後置定語修飾前面的the first:

Mary is always the first to get to school in my class every day.

瑪麗每天都是我們班第一個到學校的（學生）。

Who was the first to finish the race， Tom or Jerry?

誰第一個完成比賽，湯姆還是傑瑞