日本人全体の何割が英語を話せるだろうかの英語

Many Japanese speak English.

There are many Japanese―a great many Japanese―a good many Japanese―great numbers of Japanese―Who speak English.

Few Japanese write English so well as he.

Probably everyone can only speak Japanese.

Few Japanese can use English well.

Few Japanese can write English as well as that.

Many foreigners speak good Japanese.

There are many Americans who can speak Japanese.

There are many Americans who can speak Japanese.

There are still many Japanese who cannot get across what they want to say in English.

What a very well English speaking Japanese boy!

Some Japanese speak English well.

Japanese students of English read very well, but can not speak.

How fluently that foreigner speaks Japanese!

I don't know how much Japanese you can speak.

I can speak Japanese.

Japanese people in Japan speak Japanese.

Why is it that you can speak Japanese?

The Japanese are weak in languages―poor linguists.

The Japanese student speaks English poorly, but he can read hard authors.

Japanese students speak English poorly, but they have reading ability.

What a good speaker of Japanese!

American English is mainly used for English education in Japan.

John cannot speak Japanese.

Most Japanese scholars know French or German, besides English.

The Japanese are weak in languages―poor linguists.

She speaks Japanese to some extent.

I wonder why Japanese people aren't good with English.

John can't speak Japanese.

You have to speak Japanese perfectly.