现在完成时学案复习课程.doc

现在完成时学案精品资料现在完成时导学案石桥子初中 八年级Our slogan: Where there is a will, there is a way. (有志者,事竟成.)1、知识目标：熟记动词的过去分词和现在完成时（一 ）的构成形式。2、能力1）能用现在完成时描写自己的经历2）能够正确使用already, just ,yet 能够区分have gone to 和have been to 【复习重点】一、现在完成时谓语动词的构成： 二、能够对现在完成时进行句式变换【复习难点】have been to 与have gone to的区别【课前延伸】 做一做 复习动词的过去式和过去分词，写出下列单词的过去式和过去分词：1.want 2.visit 3.enter 4.live 5.love 6.hope 7.study 8.marry 9.carry 10.stop 11.shop 12.have 13.send 14.be 15.go 16.write 17.make 18.hear 19.do 20.read 动词过去分词的构成： 一，规则变化，在末尾加 ed， 1, 直接在末尾加 ed，如 visit visited 2，以 e 结尾的，加 d，如 live lived 3，以辅音字母加 y 结尾的,把 y 变 i ,加 ed， 如 studystudied carry carried 4，以重读闭音节结尾，并且末尾只有一个辅音字母的，双写辅音字母，再加 ed 如 stop stopped drop -dropped 二，不规则变化的。 如 get got make made write written be been see seen hear heard 等试一试复习现在完成时的构成。现在完成时：1. 构成：肯定句：助动词 或 + 否定句: 助动词 have / has后加 not, 可缩写havent / hasnt一般疑问句：助动词 have / has提前 I bave finished (finish) homework already.Has he seen ( see ) the film before?We havent been to the Great Wall. 2.用法： （1）表示过去发生或已完成的动作对现在造成的 或 。常连用的时间状语有： ， ， ， ， ， 等。（2）你能说出already 和yet 的用法有什么不同吗？a 如果肯定句中含有already，在变成否定句或疑问句时，要把句中的already转换成 _. b. already 多用于现在完成时肯定句的句中或 _； yet多用于现在完成时否定句或疑问句_。看下面两个题，注意：句中already 和 yet不同用法1. I have seen the film already. (变为否定句)I havent seen the film yet.2.I have already finished my homework. （变为一般疑问句）Have you finished your homework yet?【课内探究】【小组合作求共赢】合作探究一 学习现在完成时的第一种用法，做下列练习题一、用动词的适当形式填空：1.Scientists _ (discover) many galaxies in the universe already.2.He _ (not finish) his homework yet.3.We _ never _(see) this film before.4.Tony_just _(make) a model of the space station.5.Sally _ (not visit) China before.6._ the spacecraft _ (reach) Mars yet?课堂巩固我能行巩固本课内容二，句型转换1. Ive already made a model of the spacecraft. (改为否定句）I_ _ a model of the spacecraft_.2. Theyve been to Mars already. (改为一般疑问句）_ they _to Mars _?3. It has taken several months to get to Mars. (改为一般疑问句） _ _ _ it taken to Mars?4. on ，discovered , yet , life , they , Mars , havent .( 连词成句 ). 三，Can you choose “been to” or” gone to” ?1.Have you ever _ _the Great Wall?2.My mother isnt at home ,she has _ _ the cinema.3.Astronauts have _ _the moon and returned safely.4.The space shuttle has _ _to the space station. It will come back tomorrow.小结：have been to与have gone to的区别1. I have ever been to Shanghai . 我曾经去过上海。2. Where is your mother ? She has gone to Shanghai. 你妈妈在哪里？ 她去了上海。have been to 曾经去过某地（已返回）have gone to 去了某地 （没有回来）【课堂检测】课堂检测棒前一、句式变换：（3分）1. Jack has visited China before.(改为否定句） Jack _ _China before.2. I have already heard the latest news .(改为一般疑问句） heard the latest news _?3. They have been here for 12 years. (改为一般疑问句） have they been here?二、用所给词的正确形式填空: （5分）1. She _ never _ (read) this book .2._ Tom _( finish) his homework yet?3.I _ (see) the film before . I dont want to see it again.4.He _ already _ (travel) around the world .5.The astronauts _ (not find ) life on the moon yet.三、完成句子：(2分) 1. 他爸爸去北京出差了，他下周回来。 His father has _ _ Beijing on business. He will come back next week. 2. 我们去过北京。 We have _ _ Beijing. 【课后提升】Homework:1. 写一段短文，用现在完成时描述一位你熟悉的人的简历2. 把本课内容归纳。 仅供学习与交流，如有侵权请联系网站删除 谢谢3