下面这句话里started going to the dentist是什么语法
下面这句话里started going to the dentist是什么语法
在《老友记》第一季第一集里有这样一句话:I guess I should have caught on when she started going to the dentist four and five times a week.想请朋友们讲解一下,started going to the dentist里的语法.started后为什么用going,going后为什么用to.