资源简介

(共28张PPT)
Unit 5
Wild Animals
Grammar
学习目标
通过本节课的学习，同学们将能：
掌握动词不定式的用法。
正确使用to do不定式来表达目的。
掌握动词+宾语+to do 的结构。
2. What did Xiwang learn to do when she was 20 months old
She learnt to look after hermself.
1. What did Xiwang begin to do when she was
six months old
She began to eat bamboo.
a story of xi wang
verbs + to -infinitives ( 动词不定式作动词的宾语)
They started to go outside for the first time.
She began to eat bamboo.
She learnt to look after herself.
object
宾语
subject
主语
predicate
谓语
动词不定式没有人称和数的变化，在句子中不能单独作谓语，其否定形式是“not to + 动词原形”。
Extension
不定式放在及物动词后，用作宾语
常用动词不定式作宾语的动词有：
want, plan, hope, learn, decide, would like, begin,
start, try, need, forget, choose, agree, promise
A Using verbs + to-infinitives
When we arrived at the zoo, the pandas started to come out of their home. I liked one of the pandas most. That panda was full of energy. He began to eat bamboo for breakfast. After that, he tried to exercise. A few minutes later, he decided to climb a tree. He even wanted to climb over the wall!
◆Work out the rule!
We often use to-infinitives after these verbs: , ， ， ， , learn, plan, prepare, choose, fail, remember, forget, agree, etc.
start
begin
try
decide
want
When they are in danger, they will try _________(run) as fast as they can.
Bears do not like living together. They hope ___________(live) alone.
即时练
to run
to live
The elephant is clever. It can learn _________(ride) a bike.
to ride
A1 Millie watched a video about another giant panda at the zoo and then wrote about plete her article with the help of the words in brackets.
This panda is fat and quiet. She (1) (like, eat) apples. She does not (2) (want, move) around. Sometimes she (3) (manage, climb) up the tree, but she often ________________(fail, get) down.
likes to eat
want to move
manages to climb
fails to get
agree to do sth. 同意做某事
begin/start to do sth. 开始做某事
decide to do sth． 决定做某事
fail to do sth. 做某事失败
forget to do sth. 忘记做某事
hope to do sth． 希望做某事
choose to do sth. 选择做某事
need to do sth. 需要做某事
seem to do sth. 似乎做某事
learn to do sth． 学着做某事
动词不定式作宾语
plan to do sth． 计划做某事
prepare to do sth. 准备做某事
remember to do. 记得做某事
try to do sth． 尝试做某事
want to do sth. 想要做某事
= would like to do sth.
can’t wait to do sth.
迫不及待做某事
try one’s best to do sth.
尽某人最大的努力做某事
还有些动词既可跟不定式作宾语，也可跟动名词作宾语，
但含义不同：
forget to do sth. 忘记要做某事
forget doing sth. 忘记曾经做过某事
stop to do sth. 停下来去做另一件事
stop doing sth. 停止做某事
go on to do sth. 继续做另一件事
go on doing sth. 继续做原来在做的事
need to do sth. 需要做某事
need doing sth. 需要被做
remember __________ sth. 记得要做某事
remember __________ sth. 记得做过某事
forget _________ sth. 忘记要做某事
forget _________ sth. 忘记做过某事
to do
doing
to do
doing
即时练
Tom, 记得课后和我们一起打篮球。
Tom, ____________ ________ play basketball with us after class.
我记得上个月写了一封信给你。
I ______________ __________ a letter to you last month.
remember to
remember writing
区别1
stop to do sth. 停下(正在做的)事去做(另一件)事
stop doing sth. 停止做(正在做的)某事
即时练
1.让我们停下来休息一下。
Let’s ______ ______ _______ a rest.
2.不要说话， 老师来了。
_______ ________. The teacher is coming.
stop to have
Stop talking
区别2
need to do sth (需要做某事)
need doing sth (需要被做某事)
即时练
我需要早起以赶上早班车。
I ____________________ the early bus.
花园里的花需要浇水了。
The flowers in the park __________.
need to get up early to catch
need watering
区别3
B Using to-infinitives to express purpose(动词不定式表目的)
We love the baby panda very much. We prepare all kinds of food to give her a healthy diet. We buy some toys to make her happy. We also plan to give her a special cake and some gifts to celebrate her birthday.
We often use to-infinitives' or to express purpose.
The latter is more formal than the former.
in order to
我们也可以使用in order to 来表达目的。这比使用动词不定式（to do )更加正式。
make laws to protect the birds
take a camera to take photos of the birds
make laws in order to protect the birds
take a camera in order to take photos of the birds
注意：由in order to引导的目的状语，既可以置于句尾，也可以置
于句首。
They started early in order to get there in time.
In order to get there in time, they started early.
The girl put on the coat in order _____________( keep) warm.
The girl put on the coat in order _____________( not catch ) a cold.
to keep
not to catch
not to do = in order not to do
即时练
① Eddie often goes to the market to watch the birds.
② The members of the Birdwatching Society go there not to miss the birds.
= Eddie often goes to the market in order to watch the birds.
= In order to watch the birds, Eddie often goes to the market.
=The members of the Birdwatching Society go there in order not to miss the birds.
= In order not to miss the birds, the members of the Birdwatching Society go there.
改写句子
B1 Amy is thinking about wild animals after coming back from the zoo. Match the first part of the sentences on the left with the second part on the right.
1 Eagles use their eyes a in order to stay safe.
2 Whales make loud noises b to feed their babies and themselves.
3 Tigers hunt other animals c. in order to talk to each other.
4 Zebras live in groups d. to learn hunting skills.
5 Baby animals watch their parents e to find small animals on the ground.
C Using verbs + objects + infinitives with/without to
Daniel wrote about the school trip to the zoo. Read his article and pay attention to the use of infinitives with or without to.
Today we went to the zoo. The pandas in the zoo are really cute, and they made us all laugh. I saw a baby lion stay near its mother for protection. How lovely! Mr Wu asked us not to feed the animals there because it might make them sick. This trip was meaningful. Because it helped us (to) understand the importance of protecting animals.
◆Work out the rule!
We can use some verbs with objects and infinitives.
We can use these verbs such as _____, let, ______ and hear in this structure without to.
We can use the verb with or without to.
We add before to-infinitives to express a negative meaning.
make
see
help
not
C1 Kitty is also writing about the trip to the plete her notes with the help of the words in brackets.
Mr Wu (1) us (tell, wear) a pair of comfortable shoes.
Our Chinese teacher(2) us (ask, watch) the animals carefully because she (3) us (want, write) about them.
We (4) some birds (hear, sing) in the trees.
The trip (5) us (help, learn)more about animals.
told
to wear
asked
to watch
wanted
to write
heard
singing
helped
(to) learn
★ We are now inviting them to help us.
★ We need more people to count and describe the birds.
结构：主语+谓语动词+宾语+____________
宾语
(Object)
宾语
宾语补足语
(Object Complement)
宾语补足语
一、定义：用动词不定式来说明宾语的情况，在句中作宾语补足语，表示宾语所做的动作，简称宾补。
动词不定式
主语
(Subject)
主语
1. 感官动词see/hear/notice/observe/watch/feel/listen to/look at+ sb. (not) do sth.
E.g. I heard him lock the door. 我听见他锁上了门。
2. 使役动词let/make/have + sb. (not) do sth.
E.g. Max tells funny jokes and always makes me laugh.
Max讲有趣的笑话，总是使我大笑。
不带to的动词不定式做宾语补足语：
“一感”
“二听”
“三使役”
“五看”
feel
hear,
listen to
watch, see, observe, notice, look at
make, let, have
即时练
1. 老师叫我们每天读英语。
The teacher asked us English every day.
2. 我母亲让我打扫卧室。
My mother made me my bedroom.
clean
to read
一、单项选择
1. —I’m sorry. I ______ my exercise book at home.
—Don’t forget ______ it to school tomorrow.
A. forget; to take B. left; to bring
C. forget; to bring D. left; to take
2. I need some paper ________.
A. to write B. to write on
C. to write in D. writing
3. I’ll try ________ the same mistake again.
A. to not make B. not make
C. not to make D. make
4. We should do what we can _______ our environment.
A. protect B. protecting
C. protects D. to protect
D
B
C
B
当堂检测
二、根据汉语意思完成句子
1. 导游告诉我们远离那些野生动物。
The guide told us ___ __________ ______ ______ those wild animals.
2. 为了飞去南方，天鹅必须要刻苦练习飞翔。
_________________, swans must practice flying hard.
3. 这本新书帮助更多人明白湿地的重要性。
The new book helps more people ______________________________
_____________.
4. He went to the library because he wanted to borrow some books. (改为
同义句)
He went to the library ____ ______ ____ ________ some books.
To fly to the south
to keep/stay away from
understand the importance of
in order to borrow
the wetlands
THANKS
本课结束

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