YOU SAID:

There's an alien in my attic

INTO JAPANESE

屋根裏部屋にエイリアンがいる

BACK INTO ENGLISH

There's an alien in the attic.

INTO JAPANESE

屋根裏部屋にエイリアンがいます。

BACK INTO ENGLISH

There is an alien in the attic.

INTO JAPANESE

屋根裏部屋にはエイリアンがいます。

BACK INTO ENGLISH

There are aliens in the attic.

INTO JAPANESE

屋根裏部屋にはエイリアンがいます。

BACK INTO ENGLISH

There are aliens in the attic.