1.”why don’t you ask Tom for help, Mary?” Ba said.
-> Ba told…
2.Bill is too young to see horror films.(using”so”)
> Bill is very young….
3.They once started these machines by hand.
> They used to….
4. I have never eaten with knives and folks before.
> This is…
5.When did Paul’s mother star to write novels?
> How long has …