Unit 4 Do it yourself Study skills 课件 2024-2025学年牛津译林版英语八年级上册

Unit 4 Do it yourself(Study skills) 1 2 Summarize the rules of how to use the prefixes un-, in-, and im- to form adjectives. 3 learn to use the adjectives with prefixes un-, in-, and im- to express yourselves. Learning Objectives By the end of the class,you will be able to 1 learn how to use the adjectives with prefixes un-, in-, and im- to express negative meanings. 2 Watch a video It can make common things uncommon and unusual. 3 Andrew is crazy about DIY. He likes repairing things and decreating the house. He is active in doing sports. But he is _ in learning from others. inactive not active 4 Andrew’s DIY jobs put in a brighter light put up a picture on the wall hit a pipe fill the room with water have a power cut make a mistake not correct incorrect 5 Andrew’s DIY jobs Andrew is putting up a picture on the wall.It is not possible for his neighbour to sleep with all that noise. It’s not comfortable to stay in the room with so much water on the floor. impossible uncomfortable 6 Adrew’s mom is on business (出差). Look! Things are all over the floor. His bedroom is _. He should tidy up the room before his mom comes back. not tidy untidy 7 happy not happy unhappy How will his mother feel when she sees his room so untidy? 8 Opposites (反义词) happy tidy patient active unhappy untidy impatient inactive prefixes 前缀 We can add _ before an adjective to express the opposite (相反的) meaning. “un-”, “im-”, “in-” 9 A prefix (前缀) is a letter or a group of letters that we add to the front of a word to form a new word. One of the most common prefixes is un-. It means “not”. We add it to some adjectives to give them the opposite meaning. Can you think of more words starting with un-? 10 For most of the adjectives, we add “un-” to make it opposite. friendly happy comfortable certain important unfriendly unhappy uncomfortable uncertain unimportant tidy able fair lucky usual untidy unable unfair unlucky unusual common prefixes 11 But some adjectives are special. You should add “in-” before them to make the opposite meaning. expensive correct active direct inexpensive incorrect inactive indirect common prefixes 12 If the adjective begins with “p”, we usually add “im-” before it. polite possible patient impolite impossible impatient But: pleasant unpleasant common prefixes 13 1. Annie: Do you spend a lot of time doing outdoor sports? Simon: Sure. It’s usual for me to stay at home all day. 2. Sandy: Our neighbour next door is putting something on the wall. Mum: It’s possible to sleep with all that noise. unusual impossible Pracice Read the conversation on P51. Add the correct prefixes to some of the adjectives so that all the sentences make sense. 14 3. Mille: Are you able to fix your bicycle, Andy? Andy: No. I’m certain that I can fix it myself. 4. Mum: Suzy, your room is really tidy -things are all over the floor. Suzy: Sorry, Mum. I’ll tidy up right now. uncertain untidy 15 1.Andrew makes the room really _. (tidy) 2. After Andrew’s job, there’s water everywhere. you will feel _. (comfortable) 3.It’s _ of Andrew to make so many mistakes. (careful) 4. He is _. (patient) He can hardly make fruit salads in five minutes. impatient untidy uncomfortable Pracice Retell Andrew’s jobs with the correct prefixes to the adjectives . careless 16 How to make a fruit salad? 17 Choose your favourite fruit. Use fruit (1)_. Make sure it is (2)_. Use fruit of (3)_ colours and try to make your fruit salad look (4)_ it tastes. For example, mix red apples, green (5) _, purple grapes and pears together will make the salad look very (6)_. Prepare the fruit salad(7)_ you are going to eat it. some of the fruit will quickly (8)_ when you leave it (9)_ for some time. in season fresh different as good as oranges just before turn brown in the air Pracice Tips for making a fruit salad colourful 18 We have prefixes and we also have suffixes, such as –ful and –less. The suffixes changes a word into adjective and ful means full of; –less means “not/without”. help helpful helpless use useful useless hope hopeful hopeless care careful careless ... 19 1.We can also use some other prefixes such asun- ;in- ;im-and ir- , to form new words with opposite meaning. 2.We have prefixes and we also have suffixes, such as –ful and –less. Summary How to form words with opposite meaning? 20 1._friendly 2._happy 3._correct 4._polite 5._comfortable 6._expensive 7. _healthy 8._possible 9._tidy 10._certain 11._patient 12._able 13._regular ir 14._honest We can add before an adjective to express the opposite meaning. “ir-” or “dis-” dis un im un un un in un im un im un un Pracice Form the opposite meaning 21 Practice Fill in the words with proper adjectives John andJack are twin brothers. They look so alike that people are _(able) to tell them at first sight. John likes smiling. He is patient and willing to help others. However, Jack looks _(friendly), for he_(like) smiling and never greets others. When his classmates ask him questions, he is _(patient)and _(willing)to answer them. He is _(polite). Leo looks _(happy). He thinks it is _ (fair) because he find it (possible)to make friends with other. unable unfriendly dislikes impatient unwilling impolite unfair impossible unhappy _ 22 1. It is _(correct, incorrect) to read someone else’s letter. 2. Students feel _ (happy, unhappy) and _ (comfortable, uncomfortable)when there’s too much homework. 3. It is _ (safe, unsafe) to swim alone in the river in summer. 4. We should keep students staying away from the _ (healthy, unhealthy) lifestyles. 5.It’s _(unfriendly, friendly) to laugh at the poor. incorrect unhappy uncomfortable unsafe unhealthy Practice:Choose the proper words to express your thoughts. unfriendly 23 Discussion How should we behave to make our life more colourful? We should be _ to others. We should be _ to the classmates in need. We should not be _ in sports and keep ourselves healthy. We had better tidy up the _ rooms right now. We had better not wear _clothes at school. friendly/kind/polite patient/ helpful inactive untidy untidy/ uncomfortable 24 creative 创造的 DIY patient 耐心的 skillful 灵巧的 careful 细心的 25 It is you who shape your life and future. Do it yourself to make our life and future more colourful! 26 27 Lavf58.20.100 null 52897.195 $$