Unit 2 I think that mooncakes are delicious Section A Grammar Focus~4c课件 (共32张PPT)人教版英语九年级全册

(共32张PPT)
人教新目标Go For It九年级英语全册
Unit2 I think that mooncakes are delicious SectionA Grammar Focus-4c
1.English book
2.Note book
3.Exercise book
4.Pens（black&red）
5.Tool books or dictionary
Let’s prepare
if和whether的区别
二者在下列几种情况下不能换用：
1. 宾语从句与or not直接连用时，应用whether，不能用if。如：
I don’t know whether or not he will come tomorrow.
我不知道他明天是否来。
2. if意为“假如，如果”时，可以引导条件状语从句，而whether没有这个用法。如：
If Simon comes here tomorrow, I’ll call you.
假如西蒙明天来这儿，我将打电话告诉你。
I学习语法--2.教师点拨
e.g. What a brave boy (Tom is)!
What an excellent idea (it is)!
What beautiful pictures (they are)!
What delicious food (it is)!
How happy the children were!
How carefully he is reading!
How time flies!
How he wished that Chang’e could come back!
宾语从句的时态
1.主句是一般现在时，则宾语从句根据实际情况使用任何时态。
e.g. He says that he came to London last month.
他说他上个月来的伦敦。
2.若主句是过去时态，从句须用过去时态的某种形式。
e.g. He believed he would win the game.
他相信他会赢得这场比赛。
3.若宾语从句表示的是一个客观真理、谚语或者事实时，即使主句是过去时，从句也用一般现在时态。
e.g. Yesterday our teacher said no news is good news.
昨天老师说没有消息就是好消息。
I学习语法--2.教师点拨
根据括号内的要求完成下列各题。
1. 小梅多么忙碌！她总是第一个来最后一个走。 (完成句子)
_________ _________ Xiaomei is! She is always the first to
come and the last to leave.
How busy
2. 多么令人激动的一场篮球赛啊! (汉译英)
__________________________________________________
__________________________________________________
What an exciting basketball game / match (it is / was)! / How exciting the basketball game / match is was!
e.g. What a tall building it is!
= How tall the building is!
How interesting the stories are!
= What interesting stories they are!
一般情况下，以what和how开头的感叹句可以相互转换，转换后意义不变。
宾语从句 I
定义
三 要 素
在主从复合句中充当宾语，位于及物动词、介词或复合谓语之后的从句称为宾语从句。
引
导
词
语 序
时态
that（无实义）
whether(是否)
特殊疑问词
陈述句语序
主现从不限（根据从句时间状语决定）
主过从过（从句要用相应的过去某时态）
从句表客观真理，始终用一般现在时。
陈述句变宾语从句时
一般疑问句变宾语
从句时
？
① ② ③
if (是否)
主句时态 从句时态
一般现在时
一般过去时
当从句表示客观真理或者客观事实时，从句始终用___________。
一般现在时
任何时态（由从句时间状语决定）
相应的过去某种时态
一般过去时
过去进行时
过去将来时 would+动词原形
过去完成时 had+过去分词
Write sentences using the words given.
think / Lantern Festival / beautiful
I think that the Lantern Festival is beautiful.
2. don’t know / whether / he / come home / for the festival
I don’t know whether he will come home for the festival.
What do people do on Qing Ming Festival
People will pay respect to their ancestors（祭拜祖先） and pray for family proserity（繁荣）. In some places, people eat Qing Tuan — a kind of green glutinous（黏的） rice ball on Qing Ming Festival. Because during the time of Qing Ming, the bright sunshine brings everything back to life, so it is the best time to go out and enjoy the beautiful scenes outside.
Warming up
Which festival do these pictures remid you of
Qing Ming Festival
S1 tells a fact about Qing Ming Festival.
S1 asks S2: What do you know
about Qing Ming Festival
S2 answers and asks S3 the same question.
注意：时态不变
当引述的是客观事实、科学真理、现在习惯工作以及格言等内容时，时态不变：
He said, “Light travels much faster than sound.”
The teacher said to us, “the earth goes around the sun.”
He said light travels much faster than sound。
The teacher told us (that) the earth
goes around the sun.
Activity: What do you know about Qing Ming Festival
Step 1 Work in a group of four.
Step 2 S1 tells a fact about Qing Ming Festival using the sentence
structure “ I know / I think that ...”. Then S1 asks S2: What
do you know about Qing Ming Festival
Step 3 S2 answers the question and asks S3: What do you know
about Qing Ming Festival
Step 4 Repeat the previous steps till all the students in the group
have answered the question.
These plants will produce food and oxygen that we need to live on Mars.
Scientists will develop plants that can grow on Mars.
People think that humans on Mars have to wear special boots to make themselves heavier.
We all know that Mars is a planet in the solar system.
The journey to Mars could take only a very short time in space shuttles that travel at half the speed of light.
Some scientists do not believe that the journey to Mars will be very comfortable.
Which of the following sentences has an object clause
√
√
√
二．根据汉语句子的意思完成下列英语句子
1. 我们不知道我们能否在火星上种植植物。
We are wondering _______________________________ on Mars.
2. 我认为玛丽不会来了。
I don’t think Mary _______________________.
3. 山姆给我说他准备去上海。
Sam told me that he__________________ Shanghai.
4.我担心是否伤害了她。
I am worried about ___________________________.
5.汤姆说他们昨天晚上八点在踢足球。
Tom says that they ________________ basketball at six o'clock yesterday evening.
whether / if we can grow plants
will come
was going to
whether I will hurt her
were playing
典例
—I don’t know if Sam ________ tomorrow.
—Don’t worry. I will tell you as soon as he ______. [天水]
A. will come; comes B. comes; will come
C. will come; will come D. comes; comes
A
【点拨】考查宾语从句的时态及状语从句的时态。第一空是if 引导的宾语从句，主语是一般现在时，从句时态根据实际情况来定，由tomorrow 可知，从句要用一般将来时；第二空是as soon as 引导的时间状语从句，遵循“主将从现”原则，要用一般现在时。
Read the passage below and underline the objective clauses.
Dear Xia Yu,
Do you know that there are two special days for parents in America One is Mother’s Day on the second Sunday of May, and the other is Father’s Day on the third Sunday of June. On these two days, American children often give gifts to their parents or take them out for lunch or dinner.
典例
—Did you notice _________ in her office
—Yes. She was going over our writing.
A. what was Miss Lin doing B. what Miss Lin was doing
C. what does Miss Lin do D. what Miss Lin does
B
【点拨】考查宾语从句。结合选项可知，空格处应是宾语从句。宾语从句要用陈述句语序，故排除A、C 两项；主句是一般过去时，所以从句应用过去的时态。
4b Read the passage below and underline the objective clauses. If possible write your own sentences about Mother’s Day and Father’s Day using objective clauses.
Dear Xia Yu,
Do you know that there are two special days for parents in America One is Mother’s Day on the second Sunday of May and the other is Father’s Day on the third Sunday of June. On these two days, American children often give gifts to their parents or take them out for lunch
语法重点：宾语从句
一、概念
由一个句子充当宾语(位于动词或介词后)，
我们称之为宾语从句。
e.g. I know the answer.(名词做宾语)
I know him.(代词做宾语)
I know that Tom gets the answer.
(句子做宾语, 叫做宾语从句）
1. think/Lantern Festival/beautiful
I think that the Lantern Festival is beautiful.
2. don’t know /whether /he /come home /for the festival
___________________________________________________
3. believe/Water Festival/most/fun
________________________________________
4c Write sentences using the words given.
I don’t know whether he will come home for the festival.
I believe that the Water Festival is the most fun.
4. wonder/ if/ mooncakes/ delicious
_______________________________________
5. how/ exciting/ races 6. what/ interesting/ city
I wonder if the mooncakes are delicious.
How exciting the races were!
What an interesting city!
I know…
I think…
I believe…
I wonder…
Write your own sentences about Mother’s Day and Father’s Day using objective clauses.
Grammar Focus
Read the sentences and find out the common features.
I know that the Water Festival is really fun.
I wonder if they’ll have the races again next year.
I wonder whether June is a good time to visit Hong Kong.
I believe that April is the hottest month in Thailand.
主语+谓语
that/if/whether
宾语从句
典例
—What did you learn in geography class yesterday [青海]
—I learned that the sun ________ in the east.
A. was rising B. rises C. rose
B
【点拨】用语法判定法解题。当宾语从句表示的是客观真理或客观事实时，从句的时态一律使用一般现在时。本题“太阳从东方升起”属于客观事实，应用一般现在时。
III拓展提高--1.师友练习
宾语从句的三要素：
1.宾语从句的连接词
that, if或whether, 特殊疑问词
2. 宾语从句的语序
永远都是陈述句语序
3. 宾语从句的时态变化
主句是一般现在时,从句可以用任何时态.
主句是一般过去时,从句必须是过去时态的
一种(客观真理除外)
1.___ food you've cooked!
A. How a nice B. What a nice C. How nice D. What nice
2.___terrible weather we've been having these days!
A. What B. What a C. How D. How a
3. I don't know if Mr. Wang _____on a field trip. If he ____ on a field trip tomorrow, please call me.
A. goes; will go B. will go; goes C. will go; will go D. goes; goes
4. They wondered if the teacher ______ us English the next term.
A. would teach B. had taught C. will teach D. taught
5. The boy asked ______ any noise from outside.
A. whether had I heard B. whether I had heard
C. whether have I heard D. whether I have heard
D
A
B
B
宾语从句的时态变化
主句是一般现在时,从句可以用任何时态.
主句是一般过去时,从句必须是过去时的一种
一般现在时 一般过去时
一般过去时 过去完成时
现在进行时 过去进行时
一般将来时 过去将来时
现在完成时 过去完成时
但当宾语从句叙述的内容
为客观真理时，仍然用一般现在时。
Common gifts are flowers and cards for mothers and shirts or ties for fathers. I heard that it is becoming more and more popular to celebrate Mother’s Day and Father’s Day in China. I wonder if children over there also give similar gifts to their parents. I believe that there are many ways to show our love. Actually, we don’t have to spend a lot of money. It is also a good idea to help parents to do something instead.
June
tie v. 系，捆
e.g. Please tie your shoes.
tie n. 领带（可数）
e.g. I bought a tie for my father.
1. tie n. 领带（可数）复数形式：
v. 系，捆
2. another, the other, others & the others& any other
1) another 另一个 （多个中的）
2) the other 另一个（两个中的）
one ... the other ...，“一个……另一个……”。
3) others (=other+复数名词) 其他一些（多部分的一部分）
some ... others ...，“一些……一些……”
4)the others (=the other+复数名词) 特指剩余的一部分。
5)any other 其他任何/任一 + 名词单数/复数
过去式/分词 tied/tied 现在分词 tying