我买了很多东西。

Wǒ mǎi le hěn duō dōngxi.

I bought a lot of stuff.

他买了一辆车。

Tā mǎi le yí liàng chē.

He bought a car.

我也要买一本书。

Wǒ yě yào mǎi yì běn shū.

I will also buy a book.