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swim为谓语动词,只能作句子谓语。swimming为非谓语动词,属于非谓语动词中的动名词,具有名词的特性,可以作句子主语、宾语、定语以及表语等。
swim
1、He can also swim. 他也会游泳。
2、He can swim. 他会游泳。
3、We could all row a boat and swim almost before we could walk. 我们所有人几乎在还不会走之前就已经会划船和游泳了。
4、All of the passengers started the day with a swim. 所有的乘客那天一开始就先游了个泳。
5、When the boat sank, they had to swim for it. 小船下沉的时候,他们不得不游水逃生。