进行时用be swimming介词后用，介词+swimming有些跟doing的动词后，如like、enjoy等动词后+swimming，助动词、情态动词后用原型。swim是动词，swimming是动名词。
swim的用法大全
swim的用法1:swim的基本意思是“游泳”“游过”,指靠摆动身体在水中前进或漂浮。swim还可作“漂浮”“飘忽”“滑行”解,引申可表示“旋转,摇晃,眩晕”。
swim的用法2:swim可用作及物动词,也可用作不及物动词。用作及物动词时,接名词或代词作宾语。
swim的用法3:swim的过去式是swam,过去分词是swum。
swim的用法4:swim用作名词时意思是“游泳”,其前常加不定冠词a。
swim的用法5:the swim意思是“潮流”; in the swim作“熟悉内情,通晓时事,积极参与社会活动; 通晓现时风尚潮流”解; out of the swim的意思是“赶不上潮流”。
swim的常用短语
用作动词 (v.)
swim about (v.+adv.)
swim across (v.+prep.)
swim before (v.+prep.)
swim for (v.+prep.)
swim in (v.+prep.)
swim into (v.+prep.)
swim with (v.+prep.)
用作名词 (n.)
go for a swim
in a swim
in the swim
out of the swim
swim的用法例句
1. The barriers are lethal to fish trying to swim upstream.
这些障碍物对于想要往上游游动的鱼儿来说是致命的。
2. Should our children be taught to swim at school?
我们的孩子应该在学校学习游泳吗?
3. 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。
4. There'll be ample opportunity to relax, swim and soak up some sun.
将会有充足的机会去放松、游泳和晒太阳。