1、Unit 4 Do it yourself,Study skills,The prefixes un-, in- and im-,Lets work out the rule!,uncertain,uncomfortable,unimportant,uninteresting,impatient,impossible,inactive,incorrect,Un- is the most common prefix for adjectives.,Im- is often used in front of the words which begin with p.,In- is never us
2、ed in front of the words which begin with l,r.,un-,in-,im-,Prefix (前缀): a prefix is a group of letters that we add to the front of a word to form a new word. One of the common prefixes is un -. It means “not”.,Summary,unfriendly,unable,unhappy,unhealthy,unlucky,unusual,unkind,untidy,Can you think of
3、 more words starting with un-?,We can also use some other prefixes such as in- and im-, to form new words with opposite meaning.,Find out more,healthy, polite, lucky, complete, kind, proper, direct , friendly,polite,proper,healthy,lucky,kind,complete,direct,im-,un-,in-,Would you please help the word
4、s find their homes?,friendly,prp,kmplit,Task 1,How much do you know about DIY?,DIY stands for do-it-yourself. DIY is an _ ( /uninteresting) activity. When you do DIY, you make, repair or decorate things yourself instead of paying someone to do it. Sometimes DIY is not easy, at this moment,instructio
5、ns are _ ( /unimportant). They will give us some useful information. So it is _(correct/ ) to begin DIY without reading instructions. Sometimes itll take time to do a DIY job, so it is impossible to finish the DIY job if you are _ (patient/ ).,interesting,important,incorrect,impatient,Task 2,Choose
6、and complete!,1.DIY is a _ activity. If you spend too much time,it will make your neck and back _.,4.I enjoy doing DIY jobs because making something new seems _.,2.My Mum is often _ to me because I usually make the room _.,3.It is impossible for _ and _ persons to do nice DIY jobs.,healthy,uncomfort
7、able,interesting,unkind,untidy,impatient,inactive,healthy, comfortable, tidy, interesting, kind, patient,active.,Task 3,Read and complete!,Are you unhappy? If so, join us!Are you impatient? If so, join us!Are you inactive? If so, join us!,Come to our DIY Club,dear friends! DIY Club is the most suita
8、ble place for you in your free time. Here you can make more friends. Here you can become more confident.Here you can feel the happiness of success. Come on! We need you!We will wait for you at 4:00 from Monday to Friday in the School Art Room.,1.Its _ for you to go to the club on Saturday and Sunday
9、. 2.If you join the club, you will become_, _ and _. 3.Its easy to make friends here, so you will become more _.,incorrect,happy,patient,active,friendly,Add the correct prefixes to some of the adjectives so that the sentences make sense.,1. Annie: Do you spend a lot of time doing outdoor sports?Simo
10、n: 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.,unusual,impossible,3. Mille: Are you able to fix your bicycle, Andy?Andy: No. Im certain that I can fix it myself. 4. Mum: Suzy, your
11、room is really tidy-things are all over the floor.Suzy: Sorry, Mum. Ill tidy up right now.,untidy,uncertain,Exercises,1. Dont be _. He is only five years old. (patient) 2. Its _ for him to be rude. He is always polite. (usual) 3. Nicks room is really _. His mother is angry with him. (tidy) 4. Its ve
12、ry hot today. I feel _.(comfortable),impatient,unusual,untidy,uncomfortable,5. The book is _. I will never read it again. (interest) 6. The dog was really _ to me. It barked at me all the time. (friendly),uninteresting,unfriendly,1. Find out more affixes you know. 2. Preview next part in the unit.,Thank you!,
