YOU SAID:

I have 20 people in my basement

INTO JAPANESE

私の地下室には20人がいます

BACK INTO ENGLISH

There are 20 people in my basement

INTO JAPANESE

うちの地下室には20人がいる

BACK INTO ENGLISH

There are 20 people in my basement.

INTO JAPANESE

私の地下室には20人がいます。

BACK INTO ENGLISH

There are 20 people in my basement.