牛津译林版英语8A Unit4 Study skills课件（共24张PPT）

课件24张PPT。Unit 4Unit 4 Do it yourselfStudy skillsThe prefixes un-, in- and im-Watch a videoIt`s uncommon and unusual.The baby is not happy, he is unhappy.The boy is not healthy, he is unhealthy.The room is not tidy, it`s untidy.Look and find the rule.un- +adjective 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”.
Can you think of more words starting with un-?unfriendlyunableunhappyunhealthyunluckyunusualunkinduntidyWe can also use some other prefixes such as in- and im-, to form new words with opposite meaning.Find out more1. un----
2. im----
3. in-----
最常用的前缀
常用在以‘m/ p’ 开头的词前
常用在以‘c’开头的词前Do you know the negative prefixes? We have prefixes and we also have suffixes, such as –ful and –less.
The suffixes changes a word into adjective and –less means “not”.头脑风暴 ： CompetitionEach 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. Let`s find out who does it better. (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？）
头脑风暴 ：Let's try together!1.___possible 9. ___able 17. ___tidy
2. ___polite 10. ___safe 18. ___usual
3. ___patient 11. ___friendly 19. ___ certain
4. ___proper 12. ___happy 20. ___comfortable
5. ___correct 13. ___healthy 21. ___important
6. ___active 14. ___kind 22. ___interesting
7. ___direct 15. ___ lucky 23. ___necessary
8. ___complete 16. ___pleasant 24. ___common头脑风暴 ：Let's try together!1.__im_possible 9. __un_able 17. un___tidy
2. _im__polite 10. __un_safe 18. _un__usual
3. _im__patient 11. _un__friendly 19. _un__ certain
4. _im__proper 12. _un__happy 20. _uncomfortable
5. _in_correct 13. __un_healthy 21. _un__important
6. _in__active 14. _un__kind 22. _un__interesting
7. _in_direct 15. _un__ lucky 23. __un_necessary
8. __in_complete 16. _un__pleasant 24. __un_commonAdd 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?
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.unusualimpossible3. 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.untidyuncertainExercises1. Don’t be __________. He is only five years old. (patient)
2. It’s ________ for him to be rude. He is
always polite. (usual)
3. Nick’s room is really ______. His
mother is angry with him. (tidy)
4. It’s very hot today. I feel
_____________.(comfortable)impatientunusualuntidyuncomfortable5. 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)uninterestingunfriendly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.unfriendlyunhappyuncomfortableunsafeunhealthyYou will be_____ to pass the exam if you don’t 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 young people to think learning Chinese is ___________
He feels _________ because he lost his wallet.
There are some mistakes in his homework, it`s ___________.
It is __________ to finish so much work in such short time.unableuncommonunnecessaryunimportantunhappyincorrectimpossible用所给词的适当形式填空：important, happy, able, necessary, correct, possible, common1. Find out more affixes you know.
2. Preview next part in the unit.Thank you!