அ

In a sentence

• அவன் ஒரு புத்தகம் வாசித்தான்.

  He read a book.

  In this sentence, 'அ' is part of the pronoun 'அவன்', referring to a third person singular male in a familiar context.

• அந்த மரம் மிகவும் உயரமாக உள்ளது.

  That tree is very tall.

  Here, 'அ' is the initial part of the demonstrative 'அந்த', which is used to specify a particular object at a farther distance.

• அழகான பூக்கள் தோட்டத்தில் உள்கின்றன.

  Beautiful flowers are in the garden.

  In this example, 'அ' is the beginning of the adjective 'அழகான', which means 'beautiful', used to describe the noun 'flowers'.