Translation of "Forks" in Chinese

How many forks do we need?

我們需要多少把叉子？

Give us two knives and four forks, please.

请给我们两把刀和四把叉。

We use chopsticks in place of knives and forks.

我們用筷子，不用刀叉。

Those who use forks or chopsticks often think people who don't are uncivilized.

用叉子和筷子的人经常觉得不用叉子和筷子的人不文明。