some of后面可接復(fù)數(shù)名詞，或不可數(shù)名詞。當后面接復(fù)數(shù)名詞時，謂語動詞用復(fù)數(shù)，如Some of the books are new.當后面接不可數(shù)名詞時，謂語動詞用單數(shù)，如Some of the tea is new.of是介詞，介詞后面接人稱代詞賓格，如 Some of them.

I invited some of my colleagues but not all.

我邀請了一些同事，并不是所有的。

We scratched some of the dirt away.

我們刮掉了一些臟東西。

She met up with some of her old school friends.

她遇見幾個老同學。

Some of the studies show positive results, whereas others do not.

有一些研究結(jié)果令人中意，然而其他的則不然。

Some of his ideas are really off the wall.

他有些想法真是十分新鮮。

來源：高三網(wǎng)