YOU SAID:

I bet there will be two words in this sentence

INTO JAPANESE

この文で 2 つの単語があるに違いない

BACK INTO ENGLISH

To have two words in this sentence must be

INTO JAPANESE

この文で 2 つの単語を持っている必要があります。

BACK INTO ENGLISH

You must have two words in this sentence.

INTO JAPANESE

この文では、2 つの単語が必要です。

BACK INTO ENGLISH

This statement requires two words.

INTO JAPANESE

この文には、2 つの単語が必要です。

BACK INTO ENGLISH

This statement requires two words.