2019年春八年级英语下册 Unit 3 Could you please clean your r

SectionB(1a-1e)任务:用方框内所给单词填空buygomakeborrowusecleantakeinvite1.buysomedrinksandsnacks2.makeyourbed3.cleanyourroom4.invitemyfriendstoaparty5.gotothestore6.useyourCDplayer7.borrowsomemoneyfromme8.takeouttherubbishbuysomedrinksandsnacks买一些饮料和小吃剖析buy作及物动词,意为“买,购买”,其过去式、过去分词都是bought。拓展①buy表示“买”时,可带双宾语,若双宾易位,通常要用for,即:buysb.sth.=buysth.forsb.给某人买某物。Iboughtmysonatoycaryesterday.=Iboughtatoycarformysonyesterday.昨天我给儿子买了一个玩具车。②buy表示“从……买某物”时,通常用介词from,buysth.from...“从某人(那儿)或某地买来某物”;其反义词组为sellsth.to...意为“将某物卖给某人或某地”,且两者可以进行同义句转换。Heboughtthiswatchfromafriend.他从一位朋友那儿买了这块手表。=Afriendsoldthiswatchtohim.一位朋友把这块表卖给了他。③buy表示“用多少钱买某物”,通常用介词for,有时也用介词at,侧重指价格。Iboughtthecomputerfor$600.我花600美元买了这台电脑。Heboughtthemfor/at10dollarseach.他以每个10美元的价格买下了它们。