I haven't decided which train I should take.(用动词不定式改写句子)

分类: 作业答案 • 2021-12-28 14:23:54

问题描述：

I haven't decided which train I should take.(用动词不定式改写句子)
顺便解释一下什么是动词不定式

答

i haven't decided which train to take.
动词不定式是to do,to be done,to be doing等结构