新概念第二册第21课课件

October 1, 1949.
A. found
B. was founded
C. is founded
D. was found
Over a driven
hawunadyrefrdompeoh彩tpho)leueisrem-h-uo房smt子he(sa无v情eby感be色tehne
noise. I am one of the被 leff留etw下后p的置e人定op语le, left.
Sometimes I think 表 放th示 名is“词h剩后o下面us的e”will be knocked down by a passing plane.
a lot of =plenty of +可数n./不可数n.
a great number of a great many
+可数n.
a great deal of a large amount of
+不可数n.
determined /dɪ'tɜːmɪnd/
adj. 坚定的,下决心的
I am determined to stay here．
中考占比3-5分。
mad /mæd/
adj. 发疯
HMey hmausmlosist amllahdisatmmone.ey and now he is quibtee mmaadd. at sb. Aeroplanes are slowly driving me mad.
dery happy. They go to the elephant’s home. Then, three of
2.掌握本节课重难点语法：被动语态复习, them become good friends. One day, a monkey rides his bike near the river. This time he sees a lion under a tree.

Language Points
What are you driving at? 你到底想说明什么？ drive at是固定搭配，意为“说明......”
Language Points
2.The airport was built years ago, but for some reason it could not be used then.
I decided to stay there.我决定留在那里。
被动语态 被动语态是由be+done(过去分词)构成的，如果要特别
强调动作或行为的执行者时，句子后面需接by，译为“被 (由)”。被动语态也可以有各种时态，时态的变化体现在 be动词上。
Passing planes can be heard night and day. 来来往往的飞机日夜都可以听得到。 The airport was built vears ago, but for some reason it could not be used then. 机场是许多年前建的，但由于某种原因当时未能启用。
will be knocked down是一般将来时态下的被动语态 knock down 击倒；拆卸 knock on 撞击；敲击（门、窗等） knock over 打翻；撞倒 knock off 击倒；停工；中断
Language Points
5.I have been offered a large sum of money to go away.
Sometimes I think this house will be knocked down by a passing plane. 有时我觉得这个房子就要被一架过往的飞机撞倒了。

Mad or not?
One day, a monkey rides his bike near the river. This time he sees a lion under a tree. The lion runs at him.
One day, a monkey rides his bike near the river. This time he sees a lion under a tree. The lion runs at him.
放名词后面
Sometimes I think this house will be knocked down by a passing plane.
knock down 撞倒
I have been offbereeddetaerlamrgineedsutmo doof money to go away, but I am determined to stay here. Everybody says I must be mad and they are probably right.
shall只用于第一人称(I/we)
被动语态---现在完成时
主
谓
宾
Someone has stolen my bag.
be+ done 的正确形式
My bag has been stolen
by someone
have/has +been +done
被动语态---情态动词
主谓
宾
I can see the ghost.
One day, a monkey rides his bike near the river. This time he sees a lion under a tree. The lion runs at him.

offer v. 提供 双宾语的被动语态中，主语有两种可能; 以sb.做主语或以 sth. 做主语 give sb. sth.——>被动 sb. be given sth. give sth. to sb.——>被动 sth. be given to sb. 双宾语在变被动时用离动词最近的宾语做主语
e.g. You are driving me mad.
e.g.The teacher is slowly driving me mad. drive – drove – driven 开车 drive into 赶进… drive back 撵回 drive out of 把…赶出去
2021/5/18
built
but
not
2021/5/18
last
use
11
Over a hundred people must have been driven
away from their homes by the noise. I am one
of the few people left. Sometimes I think this
16
mad adj 发疯的
2021/5/18
17
mad adj 发疯的
1.sb. is mad 2.“为……而疯狂（着迷）”的表示方法： ①be mad about… I'm mad about English. ②be crazy about… ③go insane （insane adj. 患精神病的，精神病患者的，
Lesson 21 Mad or not?
2021/5/18
1
Free talk
Where do you live?