part of與a part of同義.
如:This book like (a) part of the broken cup.
This is only (a) part of it; where’s the rest?
但是,part of比a part of通常更為多用,而且a part of有“一小部分”的含義.
再如：Falling over is part of learning how to ski.
Only (a) part of his story is true.
There is but one china and Taiwan is part of chaia.
應(yīng)該注意的是,在使用(a) part of …時(shí),of之后的名詞若是單數(shù),通常謂語也就視為單數(shù),同樣,of之后的名詞若是復(fù)數(shù),通常謂語也視為復(fù)數(shù).
如：This piece of glass seems to be (a) part of a lamp.
Part of the passengers were injured in the accident