课件20张PPT。适用对象:高中学生
学科: 高中英语
教材: 牛津高中英语(译林版)
课型: 词汇微课型
知识点:英语构词法之派生法 构词法之派生法
Learning Aims
1.了解派生法的概念;2.掌握一些简单的前后缀;
3.使用派生法解决高考语法填空题
Anything is possible.Nothing is impossible.派生法(Derivation)
由词根(root)加前缀(prefix)或后缀(suffix)构成新词。 前缀( Prefix ) 前缀一般改变词义,不改变词性。 1.否定前缀有:dis-, il-, im-, in-, mis-, un-, non- ,ir-等discover
illegal
unfair
impatient
invisible
non-stop
misunderstand
irresponsible 2.另外还有:co- , en- , re- , sub-, fore-, pre- 等
enlarge
cooperate
rewrite subway
forecast
preview
练习(一)给下列单词加上合适的否定前缀:1.____correct
2.____polite
3.____healthy
4.____smokerinimunnon-misdisiril5.____use
6.____appear
7.____relevant
8.____logical后缀( Suffix ) 后缀一般改变词性,不改变词义1.名词后缀有:-ence,-(e)r/ -or ,-ese ,-ess ,-ian ,-ist, -ment, -ship, -age ,-ty等。independence
writer
Chinese
actress
musician
artist
punishment
illness
leadership
determination
action
marriage2.动词后缀有:-(e)n ,-fy ,-ize 等widen
beautify
realize
sharpen
apologize
strengthen3.形容词后缀有:-al,-able ,-(a)n,-en ,-ful,-ish,-less ,-ly,-ous,-y 等。 international
acceptable
American
Japanese
childish
useful
careless
exciting
dangerous
wooden
active
friendly
4.副词后缀有:-ly ,-ward smartly
westward
练习(二)按要求写出下列单词的相应形式:1.teach →_______(n.)
2.pronounce →_____________(n.)
3.true →_______(adv.)
4.invite →________(n.)
5.simple →_______(V.)
6.color →_________(adj.)teacherpronunciationtrulyinvitationsimplifycolorful1. Microblog
2. It's all floating cloud.
3. overseas returnee
4. I’ m scared.
.猜猜看——最时髦的网络流行语神马都是浮云微博 海归吓死宝宝了。 羡慕嫉妒恨 尴尬癌 5.envious, jealous and hateful
6.embarrassment attack
7.prehistorical powers洪荒之力
1.His blood ________(donate) saved the girl’s life.
2.What he said gave me much______________(encourage).
3.He failed to pass the examination,so he felt__________(happy)
4.They fight for __________(free).donationencouragementunhappyfreedom单句语法填空 But for tourists like me, pandas are its top____61_(attract).The title will be __63___(official) given to me at a ceremony in London.attraction 感悟高考
officially(2016NMET) With their shining brown eyes, wagging tails, and unconditional love, dogs can provide the nonjudgmental listeners needed for a beginning reader to gain confidence.
unconditional:
nonjudgmental:无条件的,绝对的没有判断力的
(2003NMET)Thank you!