现在完成时中短暂性动词与延续性动词的转换pt-完整版ppt课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,,,,,,,,‹#›,现在完成时中(点动词)短暂性动词与延续性动词的转化,1,现在完成时中(点动词)短暂性动词与延续性动词的转化1,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2,短暂性动词也称做点动词、非延续性动词或瞬间动词2,常见的短暂性动词,,3,常见的短暂性动词3,１.它们可以用于完成时态，说明某个动作的结 果还存在,,4,１.它们可以用于完成时态，说明某个动作的结 果还存在4,2.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. I haven’t heard from Uncle Wang for a long time.,We haven’t seen him since 1992.,She hasn’t left home all her life.,5,2.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,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：He has died for 20 years. 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 He has been dead for 20 years.,非延续性动词要转换成延续性动词，方法主要有以下三种：,6,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,,1. 实义动词转化成实义动词,1. borrow,,keep,2. buy,,have,3. put on,wear,,7,1. 实义动词转化成实义动词1. borrow keep 2,,,2. 转化成be+形容词或介词,1. go there,,be there,,,be here,,,be back,4. die,,be dead,5. leave,,be away (from),6. open,,be open,7. close,,be closed,8. go/get out,,be out,8,2. 转化成be+形容词或介词1. go there be,,9. finish/end,,be over,,,be,11. get up,,be up,12. begin/start(上演),,be on,9,9. finish/end be over be 11. g,,,3. 转化成be+名词（词组）,20. join the Party,be in the Party,,be a Party member,,be a member of the Party,,10,3. 转化成be+名词（词组）20. join the Pa,,21. join the army,,be in the army,,be a soldier,11,21. join the army be in the a,,,句型转换:,His grandfather died five years ago.,,,,,12,句型转换: His grandfather died fiv,,,句型转换:,His grandfather died five years ago.,,His grandfather has been dead for five years .,,His grandfather has been dead since five years ago.,,It’s five years since his grandfather died.,,Five years has passed since his grandfather died.,13,句型转换: His grandfather died fiv,,,His brother borrowed the book two weeks ago.,,,,,14,His brother borrowed the book,,,His brother borrowed the book two weeks ago.,,His brother has kept the book for two weeks .,,His brother has kept the book since two weeks ago.,,It’s two weeks since his brother borrowed the book .,,Two weeks has passed since his brother borrowed the book .,15,His brother borrowed the book,,,His brother joined the army two years ago.,,,,,16,His brother joined the army tw,,,His brother joined the army two years ago.,,His brother has been in the army for two years .,,His brother has been in the army since two years ago.,,It’s two years since his brother joined the army .,,Two years has passed since his brother joined the army .,17,His brother joined the army tw,8B unit2 课课练 grammar部分有相关练习,可自行完成，核对答案,相关练习,18,8B unit2 课课练 grammar部分有相关练习相关练,。