2020-2021学年北师大版必修二学案：Unit4 Cyberspace Lesson 3 Grammar Word版含答案

北师大版高中英语导学案
班级：
姓名：
课题
Unit
4
Lesson3
Virtual
Reality
主备人
课型
Grammar
审核人
时间
11月24日
领导签字
学习
目标
掌握if引导的真实条件句与虚拟条件句
导学过程
笔记
一.【课前复习与检测】5min
if
引导的条件状语从句
要点一
　真实条件句和虚拟条件句
◆用法归纳
if
引导的条件状语从句分为真实条件句和虚拟条件句两种。
真实条件句：假设的情况可能发生，是真实条件，用陈述语气。主句是一般将来时，则从句用一般现在时表示将来。（主将从现）
If
it
doesn’t
rain
tomorrow，I
________
（go）for
a
picnic.
_____we
don’t
stop
climate
change,many
animals
and
plants
in
the
world
will
be
gone.
虚拟条件句：假设的情况根本不可能实现或实现的可能性很小，主句和从句都用虚拟语气。
If
I
__
you，I
would
not
reject
his
suggestion.
【课堂学习研讨】(小组合作探究)
20min
要点二
　虚拟条件句
◆单句语法填空
(1)［词汇复现］If
I
________
（know）
his
telephone
number，I
would
get
in
touch
with
him.
(2)
［词汇复现］If
I
________
（be）
you，I
would
follow
her
suggestion.
(3)
［词
汇
复
现］If
I
___________
（study）
hard，my
dream
would
have
come
true.
(4)
［词汇复现］If
I
had
got
there
earlier，I
______________
（meet）her
in
the
flesh.
(5)
［词汇复现］If
I
were
a
millionaire
in
the
future，I
_________________
（contribute）a
lot
of
money
to
Project
Hope.
要点三
　省略
if
的虚拟条件句
◆用法归纳
虚拟条件句中如果有
were，had，should，那
么
if
可
省
略，但
要
把
were，had
或should
提到句首，变为倒装句式。
________
he
agree
to
go
there，we
would
send
him
there.
要是他答应去的话，我们就派他去了。
_________
she
here，she
would
agree
with
us.如果她在这儿的话，她会同意我们的。
◆同义句转换
(1)［词汇复现］If
the
country
were
in
economic
chaos，what
would
you
do?
→
____________________
in
economic
chaos，what
would
you
do?
(3)
［词汇复现］If
it
should
happen，I
would
give
you
good
entertainment.
→
________________
，I
would
give
you
good
entertainment.
要点四
　错综时间条件句
◆用法归纳
当条件状语从句表示的行为和主句表示的行为发生的时间不一致时，称为错综时间条件句。
主句和从句的谓语动词要根据各自所发生的不同时间选择适当的形式。
◆单句语法填空
(1)［词汇复现］If
people
had
protected
the
rainforest
better，it
____________________（not
disappear）
now.
(2)
［词汇复现］You
would
be
much
better
now
if
you
_____________
(follow)my
suggestion.
要点五
　含蓄条件句
◆用法归纳
有时不出现
if
虚拟条件句，而是以介词短语、并列句、副词、非谓语动词的形式出现。
常见的介词（短语）有
without“没有
……”，but
for“
要
不
是
……”；连词有
but“但是”，or“不然”；副词有otherwise“否则的话”等。
单句语法填空
(1)［词汇复现］But
for
the
meeting，I
_________________
（finish）
my
project.
(2)［词汇复现］I
was
busy
packing
at
that
time.
Otherwise，I
_______________
（call）
you.
三、【自我检测】
1.单句语法填空
(1).If
you
_______(study)hard,you’ll
succeed
sooner
or
later.
(2).If
he
had
listened
to
me,John
____________________(not
fail).
(3).If
I
________(be)you,I
would
attend
the
meeting.
(4).But
for
water,it
_______________(be)impossible
to
live
in
the
desert.
(5).If
it_____________(rain)tomorrow,the
opening
ceremony
would
be
put
off.
2.单句写作
(1).If
Bill___________________(告诉我）yesterday,I
should
know
what
to
do
now.
(2).If
you
don’t
lose
heart,______________________(你就会成功）.
(3).If
you
had
taken
the
medicine
yesterday,you_____________________(现在就好了）.
(4).Without
electricity(电）human
life
_________________________(将会很不同）today.
(5).I
was
ill
that
day.Otherwise,
I
__________________________the
sports
meeting(就参加运动会了）.
课后
总结
这节课我学到了什么？
这节课重点总结：
1.
2.
3.
The
key
一.【课前复习与检测】
要点一（1）will
go,If(2)were
二、【课堂学习研讨】
要点二（1）knew（2）were(3)had
studied(4)would
have
met(5)would
contribute
要点三
　省略
if
的虚拟条件句
Should
,Were(1)Were
the
country(2)Should
it
要点四
　错综时间条件句
would
not
disappear,
had
followed
要点五
　含蓄条件句
(1)
would
finish(2)would
have
called
三、【自我检测】
1.
单句语法填空(1)study(2)would
not
have
failed(3)were(4)would
be(5)should
rain
2.单句写作(1)had
told(2)you
will
succeed(3)would
be
better
now(4)would
be
better(5)
would
have
taken
part
in
4