湖南省娄底市双峰县树人学校八年级英语上册 Unit 4 Do it yourself Study skills课件 （新版）牛津版

Unit 4 Do It Yourself Check your homework1. 请用剪刀剪出一个老虎。请用剪刀剪出一个老虎。(cut out)Please cut out a tiger with a pair of scissors.2. 我建议我爸爸戒烟。我建议我爸爸戒烟。(give up doing)I advised my father to give up smoking.3. 看着图然后尽量说出另一面有什么。看着图然后尽量说出另一面有什么。Look at the picture and try to say what is on the other side.4. 剪刀是危险的。你最好不要玩弄他们。剪刀是危险的。你最好不要玩弄他们。(can, had better not)Scissors can be dangerous. Youd better not play with them.5. 你最好不要不看题目就做作业。你最好不要不看题目就做作业。(had better not)Youd better not do your homework without reading the questions.6. 你不应该看那么多电视。你不应该看那么多电视。(shouldnt)You shouldnt watch so much TV.7. 不要在课堂上大声喧哗，好吗？不要在课堂上大声喧哗，好吗？Dont make much noise in class, will you?8. 让我们去北京旅游吧，好吗？让我们去北京旅游吧，好吗？(let)Lets go on a trip to Beijing, shall we?学习目标学习目标1.知识目标：学习词汇：certain, active, possible, tidy, uncertain, inactive, impossible, untidy, incorrect, impatient学习词组：tidy up, be usual for, be possible to do sth. all over the floor, right now学习句子：Its usual for me to stay at home all day,Its possible to sleep with al that noise.Im certain that I can fix it myself.Things are all over the floor.Ill tidy up right now.学习目标学习目标2. 技能目标：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。 I think do-it-yourself is meaningful.It is really interesting to do it.prefix un-un-It isnt really interesting to do it.It is really uninteresting to do it.I dont think do-it-yourself is important.I think do-it-yourself is unimportant. Prefix 前缀前缀A prefix is a letter or a group of letters that add to the front of a word to form a new word.前缀是添加在单词前形成新的单词前缀是添加在单词前形成新的单词的一个字母或者一组字母。的一个字母或者一组字母。The baby is not happy.He is unhappy.The boy is not healthy.He is unhealthy. The room is not tidyIts untidy.The book is not interesting.Its uninteresting.PRACTISE 选词填空：选词填空： 1. Some people are _ ( friendly, unfriendly) to birds. They throw stones to them. 2. Some people feel _ (happy, unhappy) that government give poor people such small and _(comfortable, uncomfortable) flats. 3. It is _ (safe, unsafe) to walk alone on the street at night. 4. We should keep students staying away from the _ (healthy, unhealthy) books.unfriendlyunhappyuncomfortableunsafeunhealthyOPPOSITES(反义词反义词) friendly happy comfortable safe healthy unhealthyun-certain common important interesting uninterestingunfriendlyunhappyuncomfortableunsafeuncertainuncommonunimportantTom often says hello to his teachers.He is very polite.Alice never says hello to her teachers.She is very _.polite possible patient impatient im-impoliteimpoliteimpossiblePrefix im-1. This coat is very expensive. It costs 1000 yuan. That coat is not expensive. That is _expensive correct active inexpensivein-inexpensive.incorrectinactivePrefix in- You will be _ to pass the exam if you dont study hard. (able) Something _ last in the forest. (usual) It is _ to give our students an exam once a week. (necessary) It is wrong for many youny people to think learing Chinese is _. (important) He feels _ because he lost his wallet. (happy) There are some mistakes in his homework, its _. (correct) It is _ to finish so much work in such short time. (possible)unableunusualunnecessaryunimportantunhappyincorrectimpossible用所给词的适当形式填空：用所给词的适当形式填空：1. un-2. im- 3. in- 最常用的前缀最常用的前缀常用在常用在以以m/ p 开头的词前开头的词前常用在以常用在以c开头的词前开头的词前Do you know the negative prefixes? 头脑风暴 ：LETS TRY TOGETHER!1._im_possible 9. _un_able 17. un_tidy2. _im_polite 10. _un_safe 18. _un_usual3. _im_patient 11. _un_friendly 19. _un_ certain4. _im_proper 12. _un_happy 20. _uncomfortable5. _in_correct 13. _un_healthy 21. _un_important6. _in_active 14. _un_kind 22. _un_interesting7. _in_direct 15. _un_ lucky 23. _un_necessary8. _in_complete 16. _un_pleasant 24. _un_common1 Annie：Do you spend a lot of time doing outdoor sports? Simon: Sure. Its usual for me to stay at home all day.2 Sandy: Our neighbour next door is putting something on the wall. Mum: Its possible to sleep with all that noise. unusualImpossibleExercises3 Millie: Are you able to fix your bicycle, Andy? Andy: No. Im certain that I can fix it myself.4 Mum: Suzy, your room is really tidythings are all over the floor. Suzy: Sorry, Mum. Ill tidy up (整理)right now. uncertainuntidyExercisesI dont believe what he says, because he is not honest. I dont believe what he says, because he is _.dishonestdishonest“dis-”Adding:前缀前缀dis-,dis- “不不”、“无无”，加在某些动词或名词前构成反义加在某些动词或名词前构成反义词。词。 dislike 不喜欢disagree 不同意 dishonest 不诚实的disappear 不见，消失disorder 无秩序，混乱disbelieve 不信 disability 无能，无力 like agree HonestAppear order believe ability These desks are not regular. Please put these irregular desks in order.regular irregular“ir-”Adding: Un- is the most common prefix for adjectives. Im- is often used in front of the words which begin with p.In- is never used in front of the words which begin with l,r.un-in-im-Homework:1.Finish off the exercises.2.Copy the new words three times.