May I say the sentences?

[WUKEN]

Hello, teachers:
I am wondering if my tres is right and natural.
Could you take a look at it for me?
1. He helps his dog take a bath.
2. He clean up his dog.
3. He washes his dog.

Thanks for your correction.

[Soup]

Hello WUKEN

1. He helps gives his dog take a bath.
2. He cleans up his dog.
3. He washes his dog.

[WUKEN]

Thanks for your prompt corrections, Soup.