رہی

In a sentence

• وہ کتاب پڑھ رہی ہے۔

  She is reading the book.

  In this sentence, 'رہی' is used as a part of the verb construction in the present continuous tense to indicate an ongoing action being performed by a female subject.

• گاڑی خراب رہی تو ہم نہ جا سکے۔

  The car remained broken, so we couldn't go.

  Here, 'رہی' is used in the past tense to indicate a state or condition (of the car being broken).

• میں ہمیشہ مدد کرنے کی کوشش میں رہی ہوں۔

  I have always tried to help.

  In this example, 'رہی ہوں' denotes a habitual or consistent action ('staying in an ongoing state of trying to help') as part of the present perfect tense with a female subject.