1. don't tear the book.
2. Don't climb. You might fall.
3. Don't stick you tongue out.
4. You can. -----or you can use. Stop yelling/screaming.
5. Wai you grandma/grandpa/.......
5. I just used "say Sawasdee" then he/she will know to wai, and when I told my son to say "Hello" he will automatically replied in English. totally seperate 'sawasdee' and 'hello'
hope this might help ya