Looking on the internet deeply has found these results:

I speak english not good is the most popular phrase on the web.

I speak english not well 14,820 results on the web	I speak english not good 124,300 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I think that Shintaro speaks English well. I speak English well, a bit of Spanish. She asked where I had learned to speak English so well, and was confused when I said that Nigeria happened to have English as its official language. I can't speak English as well as he can. But they know there is this myth that children from the slums cannot speak English well. Perhaps you don't speak English that well. I don't speak English very well. I'm from Roma. Some of my friends speak English well.	I speak good English, yes? I not speak very good English. I think you speak very good English. Sound like someone who don't speak English no good. It is true that I speak good English and it is true that I teach English, but I am not a lawyer. I'm short and I can't speak English good. It's not like you can speak English that good anyway, is it?

I speak english not well

14,820 results on the web

I speak english not good

124,300 results on the web

More popular!

I think that Shintaro speaks English well.
I speak English well, a bit of Spanish.
She asked where I had learned to speak English so well, and was confused when I said that Nigeria happened to have English as its official language.
I can't speak English as well as he can.
But they know there is this myth that children from the slums cannot speak English well.
Perhaps you don't speak English that well.
I don't speak English very well. I'm from Roma.
Some of my friends speak English well.

I speak good English, yes?
I not speak very good English.
I think you speak very good English.
Sound like someone who don't speak English no good.
It is true that I speak good English and it is true that I teach English, but I am not a lawyer.
I'm short and I can't speak English good.
It's not like you can speak English that good anyway, is it?