He ran a race. Here ran is a - verb.

Reading is an excellent habit. Here, the underlined word is a – A rolling stone gathers no moss. What 'rolling' is ? 'He enjoyed sleeping in the open air. Here 'sleeping' is a/a- The word "flying" in the sentence "Look at the flying bird" is a: He raised his hand. Here raised is a--verb. The girls water the plants. Here 'water' is- Nursing is a noble profession. In this sentence 'nursing' is used as a/an _ Which is the correct use of gerund? The girl sings. Here sings is a- The door opened automatically. The verb in the sentence is-