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,*,现在完成时态的复习,2019年12月,现在完成时态的复习2019年12月,1,一、现在完成时态的概念,1、现在完成时态表示过去某个时间点开始发生的动作，一直持续到现在。,2、现在完成时态表示过去发生的动作，对现在所造成的影响或结果。,一、现在完成时态的概念1、现在完成时态表示过去某个时间点开始,2,二、现在完成时态的结构,have/has,+过去分词,助动词,如：have/has work,ed,have/has arrive,d,have/has stud,ied,have/has,done,2019-46.,()Your English teacher,has,never,lost,his temper,_ he?,A)has B)hasnt C)did D)didnt,2019-37.,()Plastic bags,have,caused,serious environmental pollution,_?,A)havent they B)have they C)dont they D)do they,2019-67.,Your mother,has,never,tried,shopping on the Internet.（改为反义疑问句）,Your mother,has,never,tried,shopping on the Internet，_ _?,A,A,has,she,二、现在完成时态的结构have/has+过去分词助动词,3,三、现在完成时态三种基本的句子种类,1、肯定句,He,has worked,as a teacher for 3 years.,2、否定句,He,hasnt worked,as a teacher for 3 years.,3、一般疑问句,Has,he,worked,as a teacher for 3 years?,We,have had,dinner.,We,havent had,dinner,.,Have,you,had,dinner?,三、现在完成时态三种基本的句子种类1、肯定句He has w,4,四、现在完成时态的用法（1）,1、现在完成时态表示过去某个时间点开始发生的动作，一直持续到现在。,四、现在完成时态的用法（1）1、现在完成时态表示过去某个时间,5,2019,He,began to work,as a teacher,in 2019,.,He,has worked,as a teacher,for,3 years,.,3 years,Now he still works as a teacher.,since,2019,for,He,has worked,as a teacher,since,2019,.,A：,How long,has he worked as a teacher?,He graduated from university.,He,has worked,as a teacher,since,he graduated from university(in 2019).,B：,He began to work as a teacher.,（自从。以来）,_,_,_,_,用How long提问,2019He began to work as a te,6,B,C,How,long,2019-41.,()The Harry Potter books _ pretty popular,since,they were published.,A)become B)will become C)have become D)are becoming,2019-42.,()Nancy _ lots of charity work in her free time,since,she entered college.,A)has done B)will do C)was doing D)is doing,2019-43.,()Jenny _ with a Chinese family,for two years,.Now shes used to the,life in China.,A)stays B)would stay C)is staying D)has stayed,A,D,2019-68.,Mr Smith has taught in our school,for three years,.,（对划线部分提问）,_ _ has Mr Smith taught in our school?,2019-38.,()_have you been in the sports club?,Since the first month I came to the school.,A)How old B)How long C)How much D)How soon,BCHow long2019-41.2019-42.,7,四、现在完成时态的用法（2）,2、现在完成时态表示过去发生的某一个动,作，对现在所造成的影响或结果。,We,have had,dinner.,Mike,hasnt got,to school.,四、现在完成时态的用法（2）2、现在完成时态表示过去发生的某,8,五、现在完成时态的一些注意点,3、瞬间动词和延续性动词的转换,2、have/has been to 和 have/has gone to 的区别,1、already 和yet 的用法,五、现在完成时态的一些注意点3、瞬间动词和延续性动词的转换2,9,1、already 和yet 的用法,We,have,already,had,dinner.,We,have,nt,had,dinner,yet,.,Have,you,had,dinner,yet,?,（already用于肯定句中，一般置于句中，助动词后。）,（yet用于否定句和疑问句中，一般置于句尾。）,2009-40.,()I _ you,already,that washing hands often will help prevent the,A-H1N1 Flu.,A)tell B)told C)have told D)am telling,C,1、already 和yet 的用法We have alre,10,2、have/has been to 和 have/has gone to 的用法,Shanghai,Beijing,Shanghai,Beijing,They,have,been,to,Beijing,twice,.,他们去过北京两次。,（已经从北京回来）,They,have gone to,Beijing.,他们去北京了。,（还没有从北京回来）,2、have/has been to 和 have/h,11,2019-68.,Mr and Mrs Brown have already been to China,twice,.,（对划线部分提问）,_ _,times,have Mr and Mrs Brown been to China?,How many,2019-68.How many,12,2019-70.,Junior 3 students,began to learn,chemistry,a year ago,.（保持句意基本不变）,Junior 3 students _ learned chemistry _a year.,3、瞬间动词和延续性动词的转换,have,for,常见的瞬间动词 延续性动词,begin(,began,)to,do,buy(,bought,),borrow（,borrowed,）,die(,died,),join(,joined,),leave(,left,),become(,became,),have/has,done,have/has,had,have/has,kept,have/has,been dead,have/has,been in/a/an,have/has,been away,have/has,been a/an,2019-70.3、瞬间动词和延续性动词的转换havefor,13,