This is worthwhile saying． (錯) It is worth saying this． (錯)Saying this is worthy． (錯)It is worthwhile to say． (錯)To say is worthwhile. (錯）
應把它們改作：
This is worth saying.It is worthwhile saying this.Saying this is worthwhile.It is worthwhile to say this.To say this is worthwhile.
This is worthwhile saying． (錯) It is worth saying this． (錯)Saying this is worthy． (錯)It is worthwhile to say． (錯)To say is worthwhile. (錯）
應把它們改作：
This is worth saying.It is worthwhile saying this.Saying this is worthwhile.It is worthwhile to say this.To say this is worthwhile.