1、,Present Perfect TenseRevision,可参考语言材料,Have you read yet?Yes, I have. / No, I havent.Has he/she read yet?Yes, he/she has. No, he/she hasnt.,情境任务1,Have you read these books?,Have you read yet?Yes, I have. / No, I havent.Has he/she read yet?Yes, he/she has. No, he/she hasnt.,可参考语言材料,情境任务1,A: Have you
2、ever been to?B: Yes, I have. / No, I havent.A: Ive been to many times.B: Me, too.A: Ive never been toB: Me, neither.,space museum,history museum,art museum,情境任务2,可参考语言材料,water park,zoo,amusement park,情境任务2,可参考语言材料,A: Have you ever been to?B: Yes, I have. / No, I havent.A: Ive been to many times.B: M
3、e, too.A: Ive never been toB: Me, neither.,toy bear,Do you have at home?How long have you had the ?I have had for years./since years ago.,情境任务3,old books,cap,知识清单,一、现在完成时的结构:,动词的过去分词的变化规则 (一)规则变化:,(助动词)have/has+动词的过去分词,1. 一般在动词词尾直接加ed。,2. 以不发音的e结尾的动词后面加d。,如:like liked liked; phone phoned phoned,如: &
4、nbsp; pick picked picked; wish wished wished;,study studied studied; hurry hurried hurried;,3.以“辅音字母 + y”结尾的动词,变y为i,再加-ed。如:,4. 词尾只有一个辅音字母的重读闭音节动词,要双写辅音字母,再加-ed。如:,stop stopped stopped; plan planned planned,不规则变化:1. AAA式,如: let let l
5、et cut cut cut put put put cost cost cost2. ABB式,如: feel felt felt keep kept kept,3. ABA式如:,4. ABC式如:,be was/were beenswim swam swumdrink drank drunk,come came come,活学活用,Write the forms of the past te
6、nse and past participle: be _ _ see _ _ read _ _ leave _ _ come _ _,was/were
7、been,saw seen,read read,left left,came come,二、现在完成时的用法:.“完成法”:表示过去发生或已经完成的某一动作对现在造成的影响或结果。,标志性词:already、 never、 ever、just、 yet 、before 、 so far等。,.“未完成法”:表示动作或状态从过去已经开始,持续到现在并有可能延续到将来。,时间状语:for一段时间;since过去点时间或一般过去时的句子。,3、正确运用h
8、ave/has been to, have/has gone to,和have/has been in 三种结构。,. have/has been to,. have/has gone to,. have/has been in,表示“过去曾去过某地”,但现在已经回来了。,表示“已去了某地”,现在还没有回来。,表示“已在某地(呆了多久)”,如果是小地方用at代替in。,三、现在完成时的各种句式:,.陈述句:,.否定句:,3.一般疑问句:,4.特殊疑问句
9、:,主语 have/has+过去分词其他成分。,主语have/has +not+过去分词其他成分。,Have/Has+主语过去分词其他成分?Yes,主语 have/has. No,主语havent / hasn t.,特殊疑问词have/has主语+过去分词+其他成分?,考点解读,四、中考考点解读:,考点一:考查基本概念 例如: Both his parents look sad . Maybe they _what's happened to him . &nb
10、sp; . knew . have known . must know .will know,简析:现在完成时主要强调过去发生的动作对现在造成的影响,或过去发生的动作还未结束,一直持续到现在或将来,重点在于对现在的影响。这种考查难度较大,往往无时间状语,需要从上下文分析、推理才行。故上两侧根据上下文分析、推理,正确答案是。,考点二:考查时间状语 () 例1. Have you met Mr Li _? &
11、nbsp; . before . ago . just . a moment ago,()例2.Our country has changed a lot _. Yes . I hope it will be even _ . .so far; well . be
12、fore ; good. so far; better . before ; better ()例3. Zhao Lan has already studied in this school_. . two years . since two years . for two years . two years ago ()例4. We have known Xiao Li_ she &n
13、bsp;was a little girl . . for . while . since . when()例5. Harry Potter is a very nice film .I have seen it_ . . two . twice . second .a second,
14、A,现在完成时的时间状语常有如下四类: 现在完成时常与(已经) ,(刚刚,正好) , (曾经) ,(从来,也不;从不) ,(以前) ,  
15、; (仍然) 等连用。 (2)现在完成时时常与“ +时间段或 +过去时间点”连用(含从句,从句过去时)。 (3)现在完成时还与(一次) ,(两次) , (三次) &nbs
16、p; 等表示重复次数的词语连用。(4)现在完成时常与recently(近来),so far(到目前为止),in the past/“last + 一段时间”等时间状语连用。因为上述短语表示的是从现在起往前推算的一段时间,句中的动作是从过去某一时间或时刻开始持续到现在的。,already,just,ever,never,before,yet,for,since,once,twice,three times,反思提升,考点三:考查与一般过去时
17、的区别 例1.These farmers have been to the United States .Really ? When _ there ? . will they go . did they go . do they go . have they gone 例2._ you _ your homework yet ? Yes . I _ it a moment ago . . Did ; do ; finished B. Have ; done finished . Have ; done ; have finished