高三英语公开课课件

合成词(有两个或更多的词合成一个词):
everyday pathway riverside
派生词(在词根上加上前、后缀构成另外一个词):
frustration darkest loneliest freedom
转化词(将一种词性转化成另一种词性):
lock place
合成法 (Compounding)
Where there is a will, there is a way.
有志者，事竟成 。 — Thomas Edison
构
词
法
Teacher:
Sharon
Word Formation
合成法 构词法 派生法 转化法
Classify: pathway
frustration lock
freedom darkest place everyday riverside loneliest
practiceagree反义nation形容词farm人recent副词friend形容词hope形容词back形容词visit名词home形容词eight序数词true名词america形容词china形容词按括号内的要求改写下列单词rainynationalrecentlyhopefulvisitoreighthamericandisagreefarmerfriendlybackwardshomelesstruthchinese由于人类活动或者自然过程引起某些物质进入大气中达到足够的浓度滞留足够的时间并因此导致大气环境质量下降影响人类生活的现象
⑷ 副词的后缀 -ly/ward/wards suddenly backwards northward
⑸ 动词的后缀 adj./n. + en deepen darken sharpen
Practice :
按括号内的要求改写下列单词
rainy disagree rain(形容词) ________ agree(反义)__________ farmer national nation(形容词)_______ farm(人)__________ recently recent(副词)________ friend(形容词friendly )________ backwards hopeful hope(形容词)_______ back(形容词 )_________ visitor visit(名词)__________ home(形容词)homeless ________ eighth truth eight(序数词)________ true(名词)___________ American China(形容词)________ Chinese America(形容词)_______
3. 合成介词 4. 合成副词 5. 合成动词 6. 合成代词
派生法(Derivation)
1. 前缀法 一般来说前缀不会改变一个词的词性。 ⑴ 否定前缀
① un + adj. / adv. / v. / ② im + adj. ③ in + adj. ④ ir + adj. ⑤ mis + v. ⑥ dis + v. / adj.
1. 合成名词 (Noun compounds) ⑴ n. + n. = n. spaceship classroom girlfriend ⑵ adj. + n. = n. blackboard greenhouse superstar
⑶ v-ing + n. = n. dining room drinking water reading room ⑷ n. + v-ing = n. handwriting horse riding 2. 合成形容词 (Adjective compounds) warm-hearted meat-eating home-made
(4) 一些表示特殊意义的前缀 auto- 自动automobile auto bicycle micro- 微小 microscope microcomputer mini- 小型minibus miniskirt minimarket
2. 后缀
⑴ 表示 “„„的人” 的后缀 ① -er ……的人 v. /n. +er reader villager ② -or ……的人 actor governor ③ -ress 表示女性，雌性 actress waitress ④ -ese ……人 Chinese Japanese ⑤ -an ……人 American Australian ⑥ -ist ……家，者 artist novelist
(2)构成抽象名词＆集合名词的后缀 ① v. + ment movement ② v. + ion / sion / tion / ation action pronunciation decision ③ n. + ship friendship membership ④ adj. + ness kindness
转化(Conversion):
是由一词类转化为另一词类
动词转化为名词 : We paid a visit to the park yesterday. 名词转化为动词 : The hall can seat two thousand people. 形容词转化为动词:The car slowed down to half its speed. 形容词转化为副词: How long have you lived in China? 形容词转化为名词:He can’t tell right from wrong.
请判断红色单词的词性。 1. His hard work made his boss happy. 2. They were working hard in the fields. 3. She can hardly speak English 4. Jane has a very high voice. 5. The plane is flying high in the sky.
Use your imagination, you’ll get a different world.
unhappy unusually uncover impossible incorrect irregular mistake dislike dishonest
⑵ 表示空间位置关系的前缀 a- 在……之上,处于……的状态 ahead abroad fore- 在……前面 forehead forearm out- 向外 outside outdoors outlook pre- 在……之前prewar prepay under- 在……之下underground underline up- 向上 upward upstairs tele- 远 telephone television
(3) 表示时间序列关系的前缀 fore- 在前，预先 foretell foresight mid- 中间midnight mid-autumn re- 重复retell rebuild replace rewrite over- 超过overeat overpass super- 极，超supermarket superman
6. The government think highly of his invent. 反义
残疾的
n.
不可能的
n.
correct
反义
n.
近义
Assignment
n.
n.
误解
Words Building
词根 大学生
词根
想象给生活插上翅膀， 让我们在学习的天空中 越飞越高！
⑶ 形容词的后缀 -able/ible /al/ful/less/ly /y/ ous / ious/ ed/ ing enjoyable horrible natural careful hopeless friendly cloudy dangerous serious excited exciting