YOU SAID:

teddy stole my socks because i stuffed them into his mouth

INTO JAPANESE

靴下をテディが口に詰め込んだので靴下を盗んだ

BACK INTO ENGLISH

I stole the socks because Teddy stuffed them in my mouth

INTO JAPANESE

靴下を盗んだのは、テディが靴下を口に詰めたからです。

BACK INTO ENGLISH

I stole the socks because Teddy put them in his mouth.

INTO JAPANESE

靴下を盗んだのは、テディが靴下を口に入れたからです。

BACK INTO ENGLISH

I stole the socks because Teddy put them in his mouth.