speak的名词形式怎么写

例句：

Do you speak any foreign languages?

你说某种外语吗？

He didn't speak anything but Greek.

他除了希腊语之外不会说其他任何语言。

Please could you speak more slowly?

请您说慢一点好不好？

He doesn't speak English.

他不说英语。

I don't speak the lingo.

我不会说这种外语。