YOU SAID:
Then I saw mommy tickle Santa Claus
INTO JAPANESE
それからママがサンタクロースをくすぐるのを見た
BACK INTO ENGLISH
Then I saw mom tickle Santa Claus
INTO JAPANESE
それからママがサンタクロースをくすぐるのを見ました
BACK INTO ENGLISH
Then I saw mom tickle Santa Claus
That didn't even make that much sense in English.