Once he starts a job he won't stop until it's finished 语法讲解时态讲解为_英语解答

Once he starts a job he won't stop until it's finished 语法讲解
时态讲解为什么用starts 不用start

人气：320 ℃　时间：2020-06-16 04:17:31

解答

因为句子的前半句是一般现在时,he,she,it后面都是动词加s,只有they,I,you后面是动词本身