Helen could dance well last year怎么改现在进行时

问题描述:

Helen could dance well last year怎么改现在进行时
1个回答 分类:英语 2014-11-06

问题解答:

我来补答
Helen is dancing well now.
再问: 为什么不是helen can dance well now
再答: 现在进行时的谓语部分构成是:am/is/are + 动词的现在分词
 
 
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