1. playing是非谓语动词形式。-ing形式在句中可以当主语、宾语或其它句子成份。
2. Playingfootballisoneofmyfavoriteoutsideclassactivities.
3. Ilike/enjoyplayingfootball.
1. playing是非谓语动词形式。-ing形式在句中可以当主语、宾语或其它句子成份。
2. Playingfootballisoneofmyfavoriteoutsideclassactivities.
3. Ilike/enjoyplayingfootball.