并列动词to do and do或是to do and todo ,感觉这两种形式好像都有

具体谈一谈要是有这两种情况,那分别有哪些句式,谢谢!

习惯于用to do and do,两个动词不定式用and 连接时常把第二个to省略。比如我们常说like to do and do. He likes to sing and dance.
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第1个回答  2012-02-18
都有
例如:It is very easy to sing and dance .=It is very easy to sing and to dance.
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