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。