如何判断延续性动词和非延续性动词when的后面既可接延续性动词,又可接非延续性动词.延续与非延续动词有什么区别?

如何判断延续性动词和非延续性动词when的后面既可接延续性动词,又可接非延续性动词.延续与非延续动词有什么区别?
如何判断延续性动词和非延续性动词
when的后面既可接延续性动词,又可接非延续性动词.延续与非延续动词有什么区别?

如何判断延续性动词和非延续性动词when的后面既可接延续性动词,又可接非延续性动词.延续与非延续动词有什么区别?
延续性动词:live,run,stay,clean,play,hold,watch,teach,read,study,teach,eat,drink,write,dance,sing,smoke 瞬间性动词:open,stop,like,love,die,win,close,shot,begin,start enter,finish 1、终止性动词：表示不能延续的动作,即动作发生后立即结束.如：begin,arrive,borrow,buy,break,close,come,fall,dic,finish,go,leave,lend,mary,reach,receive,open,sell,start,stop等.终止性动词的肯定式是不能持续的,所以不能和表示一段时间的状语连用,而终止性的否定式就可以和表一段时间的状语连用,因为否定本身就是可以延续的.如：have a cold是持续性动词,表示“状态”,可与表延续性的时间状语连用,不定冠词不能省略.I′ve had a cold since my arrival（到达 n.）.I didn′t go to school because I had had a bad cold for days.catch a cold是短暂性动作,表“动态”：它不能和延续性时间状语连用,不定冠词“a”可有可无,catch可用take,get代替.Put on your coat,or you′ll catch/take/get a cold.Take care not to get cold.但是,若cold前有形容词修饰时,则不定冠词不能省.如：Brown has taken a slight cold.注意下列句子：I have caught a cold for over a week.(×) I have had a cold for over a week.( ) 2、延续性动词：表示可以延续一段时间的动作或状态.如：be,drink,fly,eat,keep,lie,live,rain等.延续远 食2荒芎捅硎疽桓龆淘菥咛宓氖奔渥从锪 茫徽饫喽 嗜缬糜诮 惺碧 蚩梢院捅硎疽桓龆淘菥咛宓氖笨塘 He worked at eight yesterday afternoon.(×) He was working at eight yesterday afternoon.( ) 3、代替终止性动词的方法 a)用延续性动词代替终止性动词 1、用have代替buy My brother has had(不能用has bought) this bike for almost four years.2、用keep或have代替borrow I have kept(不能用have borrowed) the book for quite a few days.3、用be替代become How long has your sister been a teacher?4、用have a cold代替catch a cold Tom has had a cold since the day before yesterday.5、用wear代替put on b)用“be＋形容词”代终止性动词 1、be＋married代marry 2、be＋ill代fall (get) ill 3、be＋dead代die 4、be＋asleep代fall (get) asleep 5、be＋awake代wake/wake up 6、be＋gone代lose,die,sell,leave 7、be＋open代open 8、be closed代close/shut 9、be＋missing(gone,lost)代lose c)用“be＋副词”代终止性动词 1“be＋on”代start,begin 2“be＋up”代get up 3“be＋back(to)”代return to,come back to,go back to 4“be here (there)”代come(arrive,reach,get) here或go (arrive,reach,get) there等等 d)用“be＋介词短语”代终止性动词 1.“be in/at +地点”代替go to /come to 2.用be in the army 代替join the army 3.“be in/at +地点”代替move to 系动词亦称联系动词（Link Verb）,作为系动词,它本身有词义,但不能单独用作谓语,后边必须跟表语（亦称补语）,构成系表结构说明主语的状况、性质、特征等情况.说明：有些系动词又是实义动词,该动词表达实义时,有词义,可单独作谓语,例如：He fell ill yesterday.他昨天病了.（fell是系动词,后跟补足语,说明主语情况.） He fell off the ladder.他从梯子上摔下来.fell是实义动词,单独作谓语.1）状态系动词 用来表示主语状态,只有be一词,例如：He is a teacher.他是一名教师.（is与补足语一起说明主语的身份.） 2）持续系动词 用来表示主语继续或保持一种状况或态度,主要有keep,rest,remain,stay,lie,stand,例如：He always kept silent at meeting.他开会时总保持沉默.This matter rests a mystery.此事仍是一个谜.3）表像系动词 用来表示看起来像这一概念,主要有seem,appear,look,例如：He looks tired.他看起来很累.He seems (to be) very sad.他看起来很伤心.4）感官系动词 感官系动词主要有feel,smell,sound,taste,例如：This kind of cloth feels very soft.这种布手感很软.This flower smells very sweet.这朵花闻起来很香.5）变化系动词 这些系动词表示主语变成什么样,变化系动词主要有become,grow,turn,fall,get,go,come,run.例如：He became mad after that.自那之后,他疯了.She grew rich within a short time.她没多长时间就富了.6）终止系动词 表示主语已终止动作,主要有prove,turn out,表达证实,变成之意,例如：The rumor proved false.这谣言证实有假.The search proved difficult.搜查证实很难.His plan turned out a success.他的计划终于成功了