YOU SAID:

when a dog says hi the cat goes bye

INTO JAPANESE

犬がこんにちはと言うと、猫はさようなら

BACK INTO ENGLISH

When the dog say hello, cat goodbye

INTO JAPANESE

犬が挨拶すると、猫はさようなら

BACK INTO ENGLISH

When the dog greets, the cat says goodbye

INTO JAPANESE

犬が挨拶するとき、猫はさようならを言います

BACK INTO ENGLISH

Cat says goodbye when dog greets

INTO JAPANESE

犬が挨拶するとき猫はさよならを言う

BACK INTO ENGLISH

Cat says goodbye when dog greets