8B Unit7 Language导学案.doc

8B Unit7 Language导学案广州市广园中学 江爱群一、定位: practice-based，以练习为主。 二、教学目标1. 帮助学生学习和归纳if条件状语从句的用法和不同意义。2. 通过各种层次的综合练习，让学生掌握if条件状语从句的用法和具体的运用。3. 比较If在条件状语从句和宾语从句的用法，辨别其差异。三、学习过程-Learning procedures一 课前自主学习【学法指导】课前复习If在宾语从句的用法，预习If条件状语从句的用法。 （为以后的学习做好准备。）二 课堂导学Step 1 Leading-in1. Enjoy a song “If you are happy and you know it”. Ask the Ss to pay attention to the sentence: If you are happy 【学法指导】让我们一起来听歌！（目的：唤起学生的兴趣及吸引他们的注意，引出本课的主题。）Step 2 Grammar learningPart A1. Teach the Ss to use if sentences to talk about actions with definite results by presenting some pictures.【学法指导】请同学们观察图片，并尝试用if来描述图片。2. Do Part A1. Match the possible actions with the results to make if sentences.【学法指导】同学们，请把这些句子连线，学会观察和总结规律。(注意主从句的时态) Possible action Result If you take a fish out of water, a it melts. If you cool water, b it dies.If you boil water, c they grow.If you heat metal, d it turns into ice.If you put wood into water, e they die.If you plant seeds in soil, f it breaks. If you drop a glass, g it becomes steam.If you do not give plants water, h it floats.3Do Part A2.A2: Complete these sentences with the words in brackets. Add commas where necessary. 【学法指导】同学们，请把这些句子连词成句，学会观察，总结规律。(注意主从句的时态) If you _ water. (ice/turns/heat/it/into) A balloon _ it. (pin/a/if/stick/you/bursts/into) If you _water. (steam/into/cool/turns/it) Metal _ it. (you/heat/melts/if) Wood _water. (you/into/put/if/floats/it) A glass _it. (drop/you/breaks/if)4. Make a conclusion.【学法指导】同学们，通过情景例句的呈现，两种不同形式的练习，你们发现这些句子的规律了吗?你们可以用自己的话归纳出来吗？Just have a try!注意：if 引导的条件句中，if 从句可以放在前面或者后面，如果放在前面，句子结尾要加一个逗号。小结：当表示客观事实、结果时，（即条件成立时，会产生必然的结果）主句和从句都用一般现在时。结构一If从句+一般现在时,主句+一般现在时 .或：主句+一般现在时+if从句+一般现在时 .Part B1. Teach the Ss to use if sentences to talk about actions with possible results by presenting some pictures.【学法指导】同学们，请观察图片，尝试用If来描述图片。2. Do Part B 【学法指导】同学们，请把这些句子连线，学会观察，总结规律。(注意主从句的时态) Williams sister is giving him advice about some of his problems. Match the half-sentences in column A with those in column B, and complete her advice for Willams problems below.1. I sometimes forget to take the right books to school.2. I was away from school today. I dont know what to do for homework.3. I sometimes forget which things to buy at the supermarket.4.I hate getting up! I always feel tired in the morning. 5. I dont know what this word means. A BIf you write a shopping list,If you telephone your classmates,If you look it up in the dictionary, If you go to bed earlier,If you check your timetable(时间表）every night,theyll tell you what homework to do.youll remember to get all the things.youll find out its meaning.you wont feel tired in the morning.youll know which books to take.3. Make a conclusion【学法指导】同学们，请通过自己的观察和理解，总结这些句子的特点，特别关注它们用的时态哦！小结：当表示假设条件下有可能产生的结果时，主句用一般将来时，从句用一般现在时，但表示将要发生的动作。结构二If从句+一般现在时,主句+一般将来时 .或：主句+一般将来时+If从句+一般现在时 .【学法指导】请比较If在条件状语从句和宾语从句的用法，辨别其差异。注意：I dont know if it will rain tomorrow, if it rains, I wont go for a picnic. “是否”,引导条件状语从句 “如果”,引导宾语从句Step 3 Practice.【学法指导】让我们一起做一些综合练习，看我们是否掌握了if条件状语从句的用法1. Do some exercises.请判断下面句子的正误，如果有误，请更正在后面的横线上。 If you will do more exercise this summer, you will be very fit. The candle burns, if you light it. If you freeze water, it will turn into ice. My uncle visits the museum if he will have time.选择正确的选项.He will help me with my Maths if he _ free.A. was B. will be C. would be D. isI dont know _ he will come tomorrow_ he comes，Ill tell you A. if; Whether B. whether; Whether C. if; That D. if; If Id like to play basketball with my good friends tomorrow if the weather _nice.A. was B. has been C. will be D. isIf you heat ice, it _into water.A. will turn B. turn C. turns D. turned用括号中的动词的适当形式填空。Please tell her my telephone number if she_ (want) to know.Wang doesnt know if there_ (be) an English evening next week.Will you come and stay with us for a while if you _ (finish) doing your homework.Mike asked me if we _ (ask) any questions the next class.【学法指导】同学们，请充分发挥你的想象力哦！Step 4 Imagination _ _If I win 100,000,000 in a TV quiz show, _ _Step 5 Daydreams【学法指导】请各小组一起合作完成，看那个小组的白日梦最长，最美！1. If I_, Ill _.2. If I _, Ill _.3. If I _, Ill_.4. If I _, Ill_.5. If I _, Ill_.6. If I _, Ill_.7. If I _, Ill_.8. If I _, Ill_.Step 6 Conclusion【学法指导】同学们，让我们再次回顾这节课的知识！顺口溜: if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。 条件句表可能，主句多用将来时； 条件句表事实，主句常用现在时。Step 7 Homework.1. Book B Unit 7 language (p98-100)2.目标评价Unit 7 language P1563. Daily Weekly Unit 7 language 4. Finish off the Study PapersThe Study Papers一、选择正确的选项1. He will help me with my Maths if he _ free.A. was B. will be C. would be D. is2.I dont know _ he will come tomorrow_ he comes，Ill tell you A. if; Whether B. whether; Whether C. if; That D. if; If 二、根据中文意思完成句子。