精选优质文档-倾情为你奉上牛津初中英语8B unit1unit8 知识点归纳8B Unit1【考点精讲】一、核心词汇1past n考点点拨 past作名词,意为“过去”,其还可作介词和形容词,可用于如下情况:in the past(n)在过去;half past(prep.)five 5点半;in the past(adj.)three years在过去的3年里。如:When he walks past our desks, he always knocks ourbooks and pens off the desks.当他走过我们课桌的时候,他总是把我们的书本和钢笔从课桌上碰掉下来。The boy finished his homework with the help of his father in the past.这个男孩过去是在他父亲的帮助下完成作业的。2present n考点点拨present作名词,意为“现在,目前”。At presentat the momentright now目