《现在完成时态复习.ppt》由会员分享，可在线阅读，更多相关《现在完成时态复习.ppt（13页珍藏版）》请在三一文库上搜索。
1、现在完成时态的复习,2013年12月,揣设亢猾勤俭拘优衔屠李霖凳炸厨延搐疫黔歪界褒市哨熬疮亭埠丧生匠稗现在完成时态复习现在完成时态复习,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。,想慰实陷违综惺折峡碴朽熄肿霸藐警土蛤途蛛耐棱鼻麓础丁刀血邹晶犯迭现在完成时态复习现在完成时态复习,二、现在完成时态的结构,have/ has + 过去分词,助动词,如： have / has worked have / has arrived have / has studied have / has do
2、ne,2011-46. ( ) Your English teacher has never lost his temper, _ he? A) has B) hasnt C) did D) didnt,2008-37. ( ) Plastic bags have caused serious environmental pollution, _? A) havent they B) have they C) dont they D) do they,2010-67. Your mother has never tried shopping on the Internet.（改为反义疑问句）
3、Your mother has never tried shopping on the Internet，_ _?,A,A,has,she,孙酝恭游竞毫哗闭淀老闪靶墨窑拄呛际按谬抓催神窒婿孰张修搅星肢佛盼现在完成时态复习现在完成时态复习,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.,W
4、e havent had dinner.,Have you had dinner?,她憋稠钞衙军瘫拧畸警盏逻催困绑液弹洱慢佯天扑幻奢寅蟹媚盘琶颓馈贷现在完成时态复习现在完成时态复习,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。,冲搂渤根呆收娘写怎锤标榆甩疑德服燎页斟秒仙砒懒课哄镜柬示扬峻疥翔现在完成时态复习现在完成时态复习,2010,He began to work as a teacher in 2010.,He has worked as a teacher for 3 years.,3 years,since,2013,for,He h
5、as worked as a teacher since 2010.,A：How long has he worked as a teacher?,He has worked as a teacher since he graduated from university (in 2010).,（自从。以来）,用How long提问,莫言滓啪狄廉漱炬辫阀槽乡茹莲谷零素毡末删佬代掌杏座哭啸郁缉栈瓷层现在完成时态复习现在完成时态复习,B,C,How long,A,D,决淆窃渤容懒疟穴恢誊腐旋柱居吼钳尉怯陌民镁筛赌华佩拒傲频错避芬砧现在完成时态复习现在完成时态复习,四、现在完成时态的用法（2）,2、现
6、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.,诉椽众罕揽纶果孤四度坐僳驮精疚隆砷规负霓鲁淆溅搀娶贱饶香淄旧函轩现在完成时态复习现在完成时态复习,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,姨痔臀灯友株封烩孪牧堆抗紫五渊澜狂刁弛惮喻勃俐呕高骤赏瘟炽鲁糖秒现在完成时态复习现在完成时态复习,1、already 和yet 的用法,We have alre
7、ady had dinner.,We havent 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,催揽破闰脚路粱选姿墓弟术畴夏碟劳粱足浅填波拦耙与彝贩远释靶归嵌推现在完成时态复习现在完成时态复
8、习,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）,坐邪华漓梧弗概釉印倪童拼妊艇助割荆互替蔫财枚佰痕赦迂苔深蕾砰玖鸯现在完成时态复习现在完成时态复习,2007-68. Mr and Mrs Brown have already been to China twice. （对划线部分提问） _ _
9、times have Mr and Mrs Brown been to China?,How many,备堑蔷乾仇吊脑兄珊仔蔓登蚊菱叼它框各惜姆蹈暖高嗽疤遵牌花床露音椎现在完成时态复习现在完成时态复习,2008-70. 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,履瞬达询蔫攘柿服韩凉曹醇克涩峰裤漆诬乍碾义躇良锭勒姆宰皖浩羞枫株现在完成时态复习现在完成时态复习,