tommy,along with his parents,plant tress in the garden为什么用plant trees?而不用are/is planting trees?
问题描述：
tommy,along with his parents,plant tress in the garden
为什么用plant trees?而不用are/is planting trees?
答
就是简单的时态问题 不存在任何语法问题 如果用are planting 一点问题也没有 只是表现的时态不同