首先不定式的全称就是动词不定式,抑即只有动词才有不定式,所以是同一样东西.
以do为例,动词不定式的构成如下：
时态/语态 主动语态 被动语态
一般时 to do to be done
进行时 to be doing
完成时 to have done to have been done
完成进行时 to have been doing
首先不定式的全称就是动词不定式,抑即只有动词才有不定式,所以是同一样东西.
以do为例,动词不定式的构成如下：
时态/语态 主动语态 被动语态
一般时 to do to be done
进行时 to be doing
完成时 to have done to have been done
完成进行时 to have been doing