از

In a sentence

• از لاہور، میں اپنی تعلیم مکمل کر چکا ہوں۔

  From Lahore, I have completed my education.

  'از' in this sentence is used as a preposition meaning 'from', denoting the origin or source.

• یہ کام از ابتداء سے کرنا ہوگا۔

  This work must be done from the beginning.

  'از' here is functioning as a preposition meaning 'from', indicating the starting point or basis.

• از راہ کرم، میری مدد کریں۔

  Kindly, assist me.

  'از' in this sentence is part of a phrase 'از راہ کرم', meaning 'kindly', signifying politeness or a humble request.