YOU SAID:

why should we speak english?

INTO JAPANESE

なぜ我々 は英語を話す必要がありますか。

BACK INTO ENGLISH

Do you need why we speak English.

INTO JAPANESE

英語を話す理由が必要。

BACK INTO ENGLISH

Need a reason to speak English.

INTO JAPANESE

英語を話すための理由が必要。

BACK INTO ENGLISH

The reason for English-speaking;

INTO JAPANESE

ため、英語を話します。

BACK INTO ENGLISH

Because you speak English.

INTO JAPANESE

あなたは英語を話しますので

BACK INTO ENGLISH

So you speak English

INTO JAPANESE

英語を話すので

BACK INTO ENGLISH

Because the English-speaking

INTO JAPANESE

英語を話す

BACK INTO ENGLISH

English-speaking

INTO JAPANESE

英語を話す

BACK INTO ENGLISH

English-speaking