在表示一個(gè)被動(dòng)動(dòng)作時(shí)，如果這個(gè)動(dòng)作正在進(jìn)行，或是與謂語(yǔ)表示的動(dòng)作同時(shí)發(fā)生，我們可以用現(xiàn)在分詞的被動(dòng)形式。

【例如】

The bridge being built now will be completed in three months.This is one of the experiments being carried on in our laboratory.

Being surrounded by the students, the teacher was answering questions one by one.

If I correct someone, I will do it with as much good humor and self-restraint as if I were the one ____. (CET-4 1996,6)

A) to correct B) correcting C)shavingscorrected D) being corrected

句意為：如果我批評(píng)某個(gè)人，我會(huì)盡量保持幽默，自我控制，像批評(píng)自己一樣。one為代詞，后面的動(dòng)詞為其修飾成分，故用分詞，而且one與correct之間是動(dòng)賓關(guān)系，故用分詞被動(dòng)式，答案為D。