YOU SAID:

My cat thinks he is a dog but he actually a cat

INTO JAPANESE

私の猫は彼が犬だと思うが、彼は実際に猫

BACK INTO ENGLISH

My cat thinks he's a dog, but he's actually a cat

INTO JAPANESE

私の猫は彼が犬だと思っているが、彼は実際には猫だ

BACK INTO ENGLISH

My cat thinks he is a dog, but he is actually a cat.

INTO JAPANESE

私の猫は彼が犬だと思っていますが、実際には猫です。

BACK INTO ENGLISH

My cat thinks he is a dog, but in fact he is a cat.

INTO JAPANESE

私の猫は彼が犬だと思っているが、実際には猫だ。

BACK INTO ENGLISH

My cat thinks he is a dog, but it's actually a cat.

INTO JAPANESE

私の猫は彼が犬だと思っていますが、実際には猫です。

BACK INTO ENGLISH

My cat thinks he is a dog, but in fact he is a cat.

INTO JAPANESE

私の猫は彼が犬だと思っているが、実際には猫だ。

BACK INTO ENGLISH

My cat thinks he is a dog, but it's actually a cat.