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sharp adj.
sharpen v.
strength
_s_t__r_e__n__g__t_h__e__n__
bright
b___r_i_g__h__t_e__n_
3. Write out the original words.
unchangeable adj. c_h_a_n__g_e_ dislike v. __l_ik_e______ impossibility n. _p_o_s_s_ib_l_e__ unfriendly adj.___fr_i_e_n_d___ overwork v. ___lo_o_k_________ misunderstanding n. u_n__d_er_s_t_a_n_d___ athletic adj._a_t_h_le_t_e________ misread v. r_e_a_d_____ translator n. __t_r_a_n_s_la_t_e____
构成方式3．副词＋名词
anyway
形容词＋名词
五.合成代词
something; everything; nobody; someone; anybody
构成方式： some/any/no+thing/one/body
1. Make compound words after the models. A: passer, well, sea, fire, over, friend, B: by, known, side, fighter, coat, ship, Model: part + time = part-time
派生法 Derivation
派 前缀
生 后缀
法
否定前缀 其他前缀
名词后缀 形容词后缀
副词后缀 动词后缀
派生词（derivation）
加前缀：
happy --- _u_n_happy 加后缀：
develop --- develop_m_e_n__t__
既加前缀又加后缀：
employ ---__u_n_employ_m_e__n_t__
1.派生词 注意:前缀一般只改变词义,
不改变词类;后缀一般只改变 词类,不引起词义变化
Derivation: 1) 前缀:
(1) dis-: disagree, dislike, disappear
(2) in-(il-, im-, ir-): incorrect,
impossible, irregular, (3) un-: unhappy, unable, unfit, (4) non-: nonstop, nonverbal (非语言的) (5) re-: rewrite, review
after class.
1. Jim dreams of being the best football player in England.
2. Please stop here, and it is the bus stop 3. The coach was questioning the team members
enable, endanger,
Reading can _en__r_ic_h_ your life.(rich)
Some important suffixes:
-ment, -ion, -ness, -tion, -ful, -
able, -less, -en等
sharpen a pencil
把两个或两个以上独立的词合成 一个新词。
highway
waiting-room
kind-hearted
合成词汇展厅
一.合成名词 二.合成动词 三.合成形容词 四.合成副词 五.合成代词
一.合成名词
例词
构成方式１
seafood;
名词／代词＋名词
greenhouse;
形容词＋名词
handwriting; waiting- room;
2012高考英语语法总复习
构词法 (Word Formation)
Grammar
（优质课件）
If you meet the new words
while reading, what will
you do ?
•It’s not always necessary to understand the meaning of every word, just go on reading!
2. Fill in the blanks with the words above. 1) The fire lasted about 4 hours before the _fi_re_f_ig__h_t_ers could control it. 2) At school she formed a close f_r_ie__n_d_s_h_i_pwith several other girls. 3) They decide to spend their holiday at the s__e_a_s_id__e. 4) He put on a hat and _o_v_e_r_c_o_a_tbefore he went out.
5.My cousin has an excellent voice. Her dream is to become a superstar. 明星
Some important prefixes: Is it difficult for you to get up in
the morning? Do you sometimes oversleep? 1. over- : too much
形容词＋名词+ed
second-hand
数词＋名词
hard-working
副词＋现在分词
well-known
副词＋过去分词
underground
介词＋名词
四.合成副词
however;
构成方式1．副词＋副词
anywhere; whatever
构成方式1．代词＋副词
downstairs; upstairs
Thoevetrrawinorskar,e o_ov_ve_er_rec_ar_to_w__d_e_d_ on Fraidbaoyveevstehn;inagcsr.oss(crowded)
overcoat, overhead
He enlarged his vocabulary by reading widely. 2.en- 动词前缀
5) They often perform in the streets for the _p_a_s_s_e_r_s_-b_y.
6) I’m sure you will be _w_e_ll_-_k_n_o_w_n_ soon.
Never trouble trouble until trouble troubles you.
wrong
the car.
n.错的事 He didn’t know the difference
between right and wrong .
clean
adj. 干净 Please keep tidy and clean. v.清扫 You have to clean the blackboard
pick+pocket 扒手
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。
派生法（Derivation）
able unable; teach teacher
构词法
合成法(Compounding)
space+ship spaceship
一、派生法（Derivation）
由词根(root)加前缀（prefix）或后缀
（suffix）构成新词。
un-
understand
dis-
polite
in否定前缀 im-
smoker agree
mis-
fair
non-
visible
Match the prefix or suffix with the meaning.
名词+动名词（V-ing） 动名词+名词
pain-killer
名词+动词(er/or)
pickpocket;
turn-off output
动词+名词 动词+副词 副词＋动词
afternoon
介词／副词＋名词
二.合成动词
overcome;
构成方式1．副词＋动词
whitewash
构成方式２．形容词＋动词
trans-
carry
-graph
see
tele-
below
super-
life
co-
together/with
vis-
more than usual
bio-
far
sub-
across
-port-
writing
Guess the meaning of the underlined words
1.Many countries import most of the oil they use. 进口
2.He studied biophysics at college. 生命物理
3.It is very important to learn how to cooperate with others. 合作
4.All your luggage will be transported to the destination by train. 运输
