Introduction to Russian:
Lesson 10

Russian for to speak is говоритъ.

The government sure does speak a lot, don’t they...

To make to speak into I speak you replace the ending (и)тъ in говоритъ with ю.

You already know all that you need to say I speak Russian which literally is I speak in-Russian:

I speak Russian.

Answer: Я говорю по-русски.
Not correct. Please try again.

I do not speak English.

Answer: Я не говорю по-английски.
Not correct. Please try again.