现在完成时中短暂性动词与延续性动词的转换Helenppt课件

现在完成时中 点动词 短暂性动词与延续性动词的转化 短暂性动词 也称做点动词 非延续性动词或瞬间动词 表示动作不能延续 只是一瞬间就结束的动作 常见的短暂性动词 come go arrive reach see hear close open leave begin start lose buy fall join die become borrow getup等 它们可以用于完成时态 说明某个动作的结果还存在 e g Hehascomeback Thefilmhasbegun 2 在否定句中 非延续性动词也可以用表示一段时间的状语来修饰 e g Ihaven theardfromUncleWangforalongtime Wehaven tseenhimsince1992 Shehasn tlefthomeallherlife 在以下句型中 短暂性动词要转换成延续性动词 现在完成时态的肯定句中 有for或since引导的 或其他种类的表示一段时间的时间状语 例如 Hehasdiedfor20years 这句话就是错误的 die是一个瞬间动词 需要转化为延续性动词 句子改为Hehasbeendeadfor20years 非延续性动词要转换成延续性动词 方法主要有以下三种 1 实义动词转化成实义动词 1 borrow keep 2 buy have 3 puton wear 2 转化成be 形容词或介词 1 gothere bethere ehere behere eback beback 4 die bedead 5 leave beaway from 6 open beopen 7 close beclosed 8 go getout beout 9 finish end beover 10 become be 11 getup beup 12 begin start 上演 beon 3 转化成be 名词 词组 20 jointheParty beintheParty beaPartymember beamemberoftheParty 21 jointhearmy beinthearmy beasoldier 句型转换 Hisgrandfatherdiedfiveyearsago 句型转换 Hisgrandfatherdiedfiveyearsago Hisgrandfatherhasbeendeadforfiveyears Hisgrandfatherhasbeendeadsincefiveyearsago It sfiveyearssincehisgrandfatherdied Fiveyearshaspassedsincehisgrandfatherdied Hisbrotherborrowedthebooktwoweeksago Hisbrotherborrowedthebooktwoweeksago Hisbrotherhaskeptthebookfortwoweeks Hisbrotherhaskeptthebooksincetwoweeksago It stwoweekssincehisbrotherborrowedthebook Twoweekshaspassedsincehisbrotherborrowedthebook Hisbrotherjoinedthearmytwoyearsago Hisbrotherjoinedthearmytwoyearsago Hisbrotherhasbeeninthearmyfortwoyears Hisbrotherhasbeeninthearmysincetwoyearsago It stwoyearssincehisbrotherjoinedthearmy Twoyearshaspassedsincehisbrotherjoinedthea