1、Unit4本课时学习目标或学习任务1、 学习用否定前缀un-、in-和im-构成反义形容词的方法。2、 学会使用否定前缀un-、in-和im-的形容词表达否定含义。本课时重点难点或学习建议1)学习用否定前缀un-、in-和im-构成反义形容词的方法。2)学会使用否定前缀un-、in-和im-的形容词表达否定含义。本课时教学资源的使用课件 自 主 备 课学习要求或学法指导学习过程自学准备与知识导学一、 写出下列形容词的反义词 1,Certain 2,comfortable 3,important 4, interesting 5, friendly 6,welcome 7,manned 8,ac
2、tive 9,correct 10,patient 11, possible 12,perfect 13, polite 14,personal 15,like 16,agree 17,honest 18,appear 19,order 20, believe 21,ability 总结归纳变化规则 二、收集以in-, un-和im-结尾的形容词，结合课本内容，总结归纳其含义Read and finish the task.自学交流与问题研讨：任务一：Lead-inAsk： How d o you think about do-it-yourself?I think do-it-yoursel
3、f is importantIt is really interesting to do it.I dont think do-it-yourself is meaningful.I think do-it-yourself is important. It isnt really interesting to do it.It is really uninteresting to do it.任务二PresentationA prefix is a letter or a group of letters that add to the front of a word to form a n
4、ew word.任务三The prefixes un-,in- and im-One of the most common prefixes for adjectives is un-. It means “not”. We add it to some adjectives to give them the opposite meaning.Certain comfortableImportant interestingfriendly welcome manned We can use some other prefixes, such as in- and im-, to form ne
5、w words with the opposite meaning.Active correct patient possible perfect polite personal前缀dis-,dis- “不”、“无”，加在某些动词或名词前构成反义词。like agree Honest Appear Order believe ability任务四Add the correct prefixes to some of the adjectives so that all the sentences make sense. (Page51) Check the answers with them.
6、Listen and answer orally.Practise in pairs.Add to the front of a word to form a new word. Finish these.Read and answer the questionsAdd the correct prefixes to some of the adjectives so that all the sentences make sense练习检测与拓展延伸：一、用所给单词的正确形式填空 1. Spring has come, and the trees are thick with green l
7、_ . 2. Shes very （耐心）with her child 3.I consider it _( 不可能) to believe a single word you say. 4.He turned on the television set hanging from the _ (天花板). 5.We were talking on the phone when _ (突然), the line went dead. 6. You must tell me _ (确切) what you would like to do. 7. Follow the _说明）on the back of the box. 8. _ (赢得) the support of the majority requires time, energy and devotion.*通过与小组伙伴交流测试题/或教师核对答案.给自己打分： 分。*本节课，在学习兴趣、学习状态方面，你给自己的评价等级是： (优/良/一般/差)Do by themselvesCheck the answersRead and learn by heart.课后反思或经验总结：
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