Read the following text and change the sentences as directed.
(a) Who doesn't know a postman? (Assertive) (b) He is a familiar figure. (Negative) Every day we see him when he goes in a khaki dress. He delivers letters, money orders, parcels, etc. to the addresses. (c) His responsibility is not insignificant. (Affirmative) (d) But he is a low paid employee. (Interrogative) (e) A postman should get proper respect from us. (Optative)