YOU SAID:

If you and me said that him and her should go and drink a banana

INTO JAPANESE

あなたと私が彼と彼女がバナナを飲みに行くべきだと言ったら

BACK INTO ENGLISH

If you and I said he and she should go get a banana

INTO JAPANESE

あなたと私が彼と彼女がバナナを取りに行くべきだと言ったら

BACK INTO ENGLISH

If you and I say he and she should go get bananas

INTO JAPANESE

あなたと私が彼と彼女がバナナを取りに行くべきだと言うなら

BACK INTO ENGLISH

If you and I say he and she should go get bananas