英语人教版八年级下册现在完成时导学案.doc

Review of the Present Perfect Tense导学案南曹中学：黄竹绳1.知识目标：学生在已经学习的基础上，进一步掌握现在完成时的定义，基本结构及用法。2.能力目标：能利用现在完成时自由谈论自己和他人已做或未做的事。3.教学重难点：熟练掌握并运用现在完成时。自学感悟：（5分钟） 学生预习现在完成时材料完成下列各题：现在完成时表示动作发生在过去， 强调该动作对现在产生的影响或结果。常与时间状语 _，_,_ 和recently等连用，already 常用于_的句中或句末，yet 常用于_或_的句末。自我检测： （25分钟）1. 学生自主学习现在完成时基本结构，用红笔勾出将重点知识和不懂的知识点。以便稍后和本组其他成员讨论。并完成下题： 1）He has been to the Great Wall only once（变为否定句）He _ _ _ to the Great Wall.（变为一般疑问句并回答）_ he _ to the Great Wall?Yes, he _. 或 No, he _.2). Jim _ the work yet.A finished B didnt finish C has finished D hasnt finished3). _ you brother_ the cat yet?A Did, feed B Do, feed C Has, fed D have, fed2. 学生初学现在完成时用法之for 与since的用法区别。归纳:表示“过去的动作”一直延续至今并有可能继续下去，常用for与since 连用，for +_;since +_或+_或+从句（谓语动词用_时态）。 【探究3】havehas been to 与have has gone to的区别观察下面的句子归纳总结 I have been to the Great Wall many times.(不在长城，已回来)He has been to Shanghai twice. （不在上海，已回来） -Have you ever been to the Summer Palace?-Yes, I have.（不在颐和园，已回来）-Wheres Mr Green? - He has gone to America, he wont be back until next week.（已去美国，未回）My parents have gone to Beijing. I have to stay at home alone. （已去北京，未回）总结：Have has been to 去过某地，说话时_（已回未回）；havehas gone to 已去某地，说话时_(已回未回)【探究点4】现在完成时延续性动词的应用观察下面的句子， 注意斜体字部分，对子之间讨论I have kept (借) the book for weeks. I have to return it to the library.Joe has had (买)his new computer for only a few days.Mr Green has been away(离开) from the office since 8:00That old man has been dead(死) for over two months.My brother has been in(加入) the English club since 3 years ago.The film has been on(开始) for 1o minutes 归纳总结：用于现在完成时的动词，必须是_(延续性动词非延续性动词)， 表示从过去一直延续到现在的动作。思维拓展：在相应的空格处填上适当的动词：借买离开死加入变成开始短暂borrowlendbuyleavediejoinbecomebeginstart延续展示点拨：播放幻灯片，解决合作探究中的问题。：训练拓展：一、用所给词的适当形式填空。1. _ you _ (find)science book yet?2. Ive lost my pen. _ you _ (see)it anywhere?3. How long _ the Wangs _ (stay) there ? For two weeks.二、单选：（13黄冈）It is ten years _ I last saw her.A after B since C for D that（13 黄石）How long have you _ here?A come B got C arrived D been（11济宁）My grandmother _ for 5 tears. A has died B died C has been died D has been dead（13南昌）Do you know Linda very well?- Yes, she and I _ friends since we were very young.A have made B have become C have been D have turned（13江西）- _ you ever _ to the USA? - Yes, twice.A Have, gone B Have, been C Do go, D Were, going（10大连）Look! That woman looks like Mr Brown. - It cant be her. She _ Shanghai.A have been to B has gone to （13陕西） Id like to introduce my best friend to you, Peter.- Thank you, Lucy , but we _ already.A meet B met C will meet D have met C have been in D has been inIt is ten years since I st