英语语法：瞬间动词和持续性动词的现在完成时用法.doc

英语语法：瞬间动词和持续性动词的现在完成时用法瞬间动词和持续性动词瞬间动词的现在完成时（否定式）+since…和持续性动词的现在完成时+since…注意：since引导的时间状语从句中谓语动词通常用一般过去时。Wehavestayedinthisschoolsincewecametothecity.我们来到这座城市以来一直住在这个学校。ShehasworkedinthisrestaurantsinceJuly.自七月以来他在这个饭店工作。IhavemadegreatprogresssincehecametoteachusEnglish.自从他来教我们英语我进步很大。Wehaven’twrittentoeachothersinceweleftschool.我们毕业以来互相没有通过信。Theyhaven’tmeteachothersinceheleft.自从他走了以后他们没见过面。Ihaven’tseenafilmsinceschoolbegan.开学以来我没有看过电影。英语作业一、用动词的适当形式填空。1.Ifwe___(cut)downtoomanytreeswewillrunintoenvironmentalproblems.2.Theworld’spopulation___(grow)quicklysoweneedmorelandtosupportthem.3.SorryIcan’tfilloutthisformasI___(nothave)myglasseswithmenow.4.—Wehaveexcellentroomsfacingthesea.—Good.Ilikethesea.I___(stay)hereforafewweeks.5.—Whattimeshallweleave?—Whatabout4:00?After5:00there___(be)toalotoftraffic.参考答案：1.cut2.isgrowing3.don’thave4.willstay5.willbe二、分析句子的语法结构并译成中文。1.SorryIcan’tfilloutthisformasIdon’thavemyglasseswithmenow.2.TheCabinetOfficeministerDavidLidingtonhaswarnedthatrelationsbetweenBritainandFranceareat“aforkintheroad”–andtheonlyalternativetotheprimeminister’sChequersplanisano-dealBrexit.【TheGuardian】