I am deeply apologized for ... --> I apologize ....
apologize is a verb.
the habbit being able to --> the habit of being able to
If I would have had this habbit when I was young, I would avoid wasting time significantly. -->
与过去事实相反的虚拟:
If had done ..., ... would (might) have done ...
原文:
It would have saved me a frightful waste of time if I had ever had it drilled into me in youth.
posses --> possess