内容正文:
Word Formation
Unit 2 Exploring English
第三课时 Using Language
1
1.掌握四种基本的构词法:
合成法,转化法,派生法,缩略法。
2.通过构词法的学习,掌握构词规律,扩大词汇量。
学习目标:
If you meet the new words while reading, what will you do ?
Guess the meaning!
How ?
When we deal with the problems in reading comprehension, we can use Word Formation to help us, but the context(上下文,语境) is also very important.
How ?
A bad-looking pickpocket stole my wallet.
根据构词法猜词
首先要熟悉基本的构词法及其规律, 其次要掌握一定的词根和词缀。如:un-,
im-, mis-, -less, -ness等。
小结
pick+pocket 扒手
word formation
(构词法)
adding a prefix or suffix
派生法
combining two or more words
合成法
changing the part of speech
转化法 (词性转化)
abbreviating 首字母缩略法
前缀
后缀
6
Part 1 abbreviating (首字母缩略法)
定义:即用单词首尾字母组成一个新词。有两种读音,一是各字母分开读;二是作为一个单词读。
WHO
World Health Organization
Information Technology
Very Important Person
[əˈbriːvieɪtɪŋ]
IT
SOS
VIP
Save Our Ship
7
Part 2 changing the part of speech (转化法)
定义:将一种词性的词转化为另一种词性,而词形不变。
The little girl didn’t dare to face the mouse so she
covered her face with her hands.
(同一个词,有不同的词性)
8
转化法
taste
v.尝起来
n. 味道
{
It has a good taste.
It tastes very good.
hand
n.手
v.递送
wrong
adj.错误的
n.错的事
{
{
We always walk hand in hand.
Please hand me the book.
There is something wrong with the car.
He didn’t know the difference between right and wrong .
clean
{
adj. 干净
v.清扫
Please keep tidy and clean.
You have to clean the blackboard after class.
pain-killer
+
=
止痛药
+
色盲
=
color- blind
Part 3
combining two or more words (合成法)
定义:是指用两个或两个以上的词构成新词的构
词法。合成词拆开后,仍有各自的意义。
classroom
readingroom
blackboard
playground
课后活动
蝴蝶
白头发的男人
三岁的儿子
教室
阅览室
黑板
球场
after-school activity
white-haired man
butterfly
five-year-old son
11
English-speaking
good-looking
warm-hearted
second-hand
hard-working
underground
seafood
英汉互译。
something
海鲜
说英语的
热心的
地铁/地下的
好看的
二手的
努力的/勤奋的
某事物
加前缀:
happy --- ___happy
加后缀:
develop --- develop_______
既加前缀又加后缀:
employ --____employ_______
un
ment
un
ment
Part 4 adding a prefix or suffix (派生法)
定义:在词根上加上前缀或后缀,构成新词。前缀和后缀有一定的含义或功能,有助于推测新词的词义。
前缀一般会改变