1 Determiners

ENGLISH2 Grammar Class-8 Use of a/n (1)Before the countable and singular nouns which are used for the first time. (i) I have a book. (ii) She lives in a hut. (iii) He saw an old man. (iv) Mr Sharma is an umpire of this match. (2)Before such singular noun complements which singnify a business or profession. (i) She is a nurse. (ii) He is an engineer. (iii) Neeraj is a doctor.