高中英语-人教新课标必修四-Unit 5 Theme parks word formation 教案

学科
英语
年级/册
B4Unit5
高二年级
教材版本
人教版
课题名称
Uuit5
Theme
Parks
难点名称
Word
formation
难点分析
从知识角度分析为什么难
构词法一般分为三类;合成法、派生法、转化法。
合成法是将两个或两个以上的单词合在一起而构成的新词组成一个新的单词；表达方式常见的有1.直接写在一起，2.用连字符（-连接），3.由两个分开的词构成。
派生法：在词根上加前缀或后缀构成另一个与原意略有变化或截然相反的词，前缀有表示否定意义的，如un/in/im-等等。后缀通常改变词性，构成意思相近的其它词性的词。
转化法由一种词性转化为另一种词性的词类。
从学生角度分析为什么难
针对种类多样，形式多变的构词法，学生需要掌握一定的方法，也需要一定的归纳总结能力，同时也需要积累总结并记忆一定的词汇，但学生在平时积累较少，缺乏一定的归纳总结能力，所以造成了对构词法没有掌握。
难点教学方法
任务型教学法，讨论法。
教学环节
教学过程
导入
I.Lead
in
Teacher
asks
students
to
read
the
following
sentences
and
pay
attention
to
the
underlined
words.
1.Yet,
shopkeepers
may
have
to
spend
extra
hours
to
deal
with
problems,
such
as
shoplifters,
who
always
take
away
things
from
the
shop
without
paying
for
them....
What
does
the
word
“shoplifter”
mean?
shop+lifter
→
shoplifter
n.商店小偷/扒手
2.In
recent
centuries,trade,industrialization,
the
development
of
the
nation-state
and
the
spread
of
universal
compulsory
education,
especially
globalization
and
better
communications
in
the
past
few
decades...
-zation为动词构成名词的后缀,
意为“……化”,
因此,
可猜测industrialization为“工业化”之意,
而globalization的含义为全球化.
3.
He
is
a
man
with
broad
shoulders.
n.
We
will
shoulder
the
responsibilities
at
any
time.
V.take/bear
知识讲解
（难点突破）
II
Presentation
-Word
formation
i.合成法(Compounding)
Space+ship
→spaceship
ii.派生法（Derivation）
able
→unable，teach→teacher
iii.转化法（Conversion）
visit.v.→visit.n
i.合成法(Compounding)
把两个或两个以上独立的词合成一个新词。
highway,warm-hearted,waiting-room
ii.派生法（Derivation）
由词根(root)加前缀（prefix）或后缀（suffix）构成新词。
否定前缀
iii.转化法（Conversion）
Please
stop
here，and
it
is
the
bus
stop.
III.Practice
(1)Overwork
may
cause
diseases.
(2)
There
was
a
dissatisfied
look
in
the
manager's
eyes.
（3）For
them,
playing
well
and
winning
are
often
life-and-death
affairs.
（4）Down-to-earth
spirit
is
a
necessity.
Sharp
words
from
a
teacher
can
usually
bring
a
day-dreaming
student
down-to-earth.
（5）Her
name
was
Rachel,
and
I
mooned
my
way
through
the
grade
and
high
school,
stricken
at
the
mere
sight
of
her,
tongue-tied
in
her
presence.
…At
any
rate,
my
love
for
Rachel
remained
without
result.
We
graduated
from
high
school,
she
went
on
to
college,
and
I
joined
the
Army.
I
was
sent
overseas
during
the
war.
For
a
time
we
wrote,
and
her
letters
were
the
highlight
of
those
terrible
endless
years.
（6）Never
trouble
trouble
until
trouble
troubles
you.
(trouble
词性与意义？)
（7）A
silence
in
a
conversation
may
also
show
uneasiness
.
(8).Car
rentals
are
becoming
more
and
more
popular
as
an
inexpensive
way
of
taking
to
the
road.
(9)In
recent
centuries,trade,industrialization,
the
development
of
the
nation-state
and
the
spread
of
universal
compulsory
education,
especially
globalization
and
better
communications
in
the
past
few
decades,
all
have
caused
many
languages
to
disappear,
and
dominant
languages
such
as
English,
Spanish
and
Chinese
are
increasingly
taking
over.
(10)
Impressionism
is
a
form
of
art
which
began
in
the
1870s.
When
you
look
closely
at
an
impressionist
painting,
you
see
little
dots
of
different
colored
paints.
课堂练习
（难点巩固）
表示时间的前缀
Re-
表示再一次，重新。
renew，reborn，rebuild，retell.
Fore-
表示时间或位置的“在前面
”。
foresee，forecast，foretell。
Pre-
表示在前、事先、预先。
preview，prehistory,
prepay.
Post-
表示时间和顺序的“在后边”。
post-war,post-graduate.
表示人和名词后缀-er/or/eer/ician/ist.
从事...职业的人，做...的人，teacher,worker,writer.visitor,educator,translator.
engineer,volunteer,physician,musician,politician.artist,scientist.
形容词后缀
-able.
可/能...的。
horrible，valuable.
-al.
有...性质的。natural，actual.
-ant/-ent.
...的。
important，
pleasant，
excellent.
-ic/ical/ish/ive/ful/less/ous/y/ed/
小结
语言是随着人类社会的不断发展而发展的，一些旧词的过时意味着需要人们创造出一些新的词，而新词的产生，也大体上服从一定规则，有其规律可循。语言的这种“弃旧创新”不断完善和发展的过程体现出的就是一种规律-构词法。它对于帮助学生扩大词汇量，准确地推测文章中的词汇的含义和理解文章都有重要意义。