1、Unit 4 Do It Yourself 最新初中英语精品课件设计Watch a videoWatch a video Its uncommon and unusual.最新初中英语精品课件设计The baby is not happy,he is unhappy.最新初中英语精品课件设计The boy is not healthy,he is unhealthy.最新初中英语精品课件设计The room is not tidy,its untidy.最新初中英语精品课件设计PractisePractise 选词填空：选词填空：1.Some people are _(friendly,unf
2、riendly)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.unfrien
3、dlyunhappyuncomfortableunsafeunhealthy最新初中英语精品课件设计Opposites(Opposites(反义词反义词)friendly happy comfortable safe healthy unhealthy“un-”certain common important interesting uninterestingunfriendlyunhappyuncomfortableunsafeuncertainuncommonunimportant最新初中英语精品课件设计opposites opposites（反义词）（反义词）If someone sho
4、ws good manners to others,he is a polite person.If someone does not show good manners to others,he is not polite.If someone does not show good manners to others,he is_.polite possible patient impatient“im-”impoliteimpoliteimpossible最新初中英语精品课件设计1.This coat is very expensive.It costs 1000 yuan.But tha
5、t coat is not expensive.That is _expensive correct active inexpensive“in-”inexpensive.incorrectinactiveOpposites(反义词反义词)最新初中英语精品课件设计You will be_ to pass the exam if you dont study hard.There are lots of _ kinds of birds in Zhalong.It is _ to give our students an exam once a week.It is wrong for many
6、 youny people to think learing Chinese is _He feels _ because he lost his wallet.There are some mistakes in his homework,its _.It is _ to finish so much work in such short time.unableuncommonunnecessaryunimportantunhappyincorrectimpossible用所给词的适当形式填空：用所给词的适当形式填空：important,happy,able,necessary,correc
7、t,possible,common最新初中英语精品课件设计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?最新初中英语精品课件设计certainimportantcomfortableinterestingwelcomecommonfriendlyablenecessaryactivecorrectpossiblepolitepatientuncertainunimportantuncomfortableuninterestingunwel
8、comeuncommonunfriendlyunableunnecessaryinactiveincorrectimpossibleimpoliteimpatientopposites最新初中英语精品课件设计头脑风暴：CompetitionCompetition Each student in a group writes down the words on the exercise books as many as possible in a minute,then check them on the blackboard.Lets find out who does it better.(
9、一分钟内小组中每个学生尽可能多一分钟内小组中每个学生尽可能多地写下形容词的反义词，看看哪个最厉害？）地写下形容词的反义词，看看哪个最厉害？）最新初中英语精品课件设计头脑风暴：Lets try together!Lets try together!1._possible 9._able 17._tidy2._polite 10._safe 18._usual3._patient 11._friendly 19._ certain4._proper 12._happy 20._comfortable5._correct 13._healthy 21._important6._active 14._
10、kind 22._interesting7._direct 15._ lucky 23._necessary8._complete 16._pleasant 24._common最新初中英语精品课件设计头脑风暴：Lets try together!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._uncomforta
11、ble5._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_common最新初中英语精品课件设计Good job!最新初中英语精品课件设计乘胜追击：Exercises1 Annie：Do you spend a lot of time doing outdoor sports?Simon:Sure.Its usua
12、l 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.unusualimpossible最新初中英语精品课件设计乘胜追击：Exercises3 Millie:Are you able to fix your bicycle,Andy?Andy:No.Im certain that I can fix it myself.4 Mum:Suzy,your room i
13、s really tidythings are all over the floor.Suzy:Sorry,Mum.Ill tidy up(整理)right now.uncertainuntidy最新初中英语精品课件设计Activity:Activity:Lets act out the dialogues in pairs.最新初中英语精品课件设计I dont believe what he says,because he is not honest.I dont believe what he says,because he is _.dishonestdishonest“dis-”Adding:最新初中英语精品课件设计These desks are not regular.Please put these irregular desks in order.regular irregular“ir-”Adding:最新初中英语精品课件设计Homework:1.Finish off the exercises.2.Copy the new words three times.最新初中英语精品课件设计
