资源简介

(共32张PPT)
Unit5 Wild animals
Grammar
Lead-in
school trip
eagle
whale
鲸鱼
Do you like the wild animals And why you like/dislike them
fox
A
Using verbs + to-infinitives
to-infinitives(to do 不定式)
A Using +
verbs
to-infinitives (to do)
structure:
What are the “to do” used in these sentences
A. subjects(主语) B. objects(宾语)
动词不定式
做宾语
start to come
begin to eat
try to exercise
decide to climb
want to climb
start
A Using verbs + to-infinitives
begin
try
decide
want
动词不定式
做宾语
动词不定式做宾语
动词不定式在句中常充当谓语动词的宾语，这一类谓语动词常见的有：
afford agree choose decide
forget hope learn manage
plan prepare promise refuse
try want
1)我决定这个周末去看望祖父母。
2)你必须保证不再这么做了。
动词不定式的否定形式是“not to +do 动词原形”。
设法完成
1) I decided _____ _______my grandparents this weekend.
2) You must promise ______ ______ ______ this again.
to visit
not to do
P70
A1
likes to eat
want to move
manages to climb
fails to get
Exercise:
设法完成
B Using to-infinitives to express purpose
keeper 饲养员
Millie: Hello, do you like baby
Keeper: Of course! We love the baby panda very much.
Millie: What food do you often prepare for the baby panda And why
Keeper: We prepare all kinds of food to give her a healthy diet(日常饮食).
Millie: I saw the panda playing toys in the zoo. It is interesting. Why do they play the toys
Keeper: Yes. We buy some toys to make her happy.
Millie: Does the panda have a birthday party
Keeper: Sure. We plan to give her a special cake and some gifts to celebrate her birthday
Millie：Thank you for sharing.
What are these “to-do” express(表达)
动词不定式
做目的状语
Read the text below by a panda keeper and pay attention to the use of to-infinitives.
B Using to-infinitives to express purpose
动词不定式
做目的状语
in order to make
in order to celebrate
1) She is running quickly _______________(catch)the first bus.
2) They spoke softly _______________wake the baby.
3) They left early ________________there in time.
为了赶上首班公交车，她正飞快地跑着。
为了不吵醒婴儿，他们轻声说话。
为了使表达更加清楚或者对目的加以强调时，还可以用结构“in order to+动词原形”，意为“以便，为的是”，其否定形式为“in order not to+动词原形”。
由to do不定式引导的目的状语，既可以置于句尾，也可以置于句首。
为了及时赶到那里，他们很早就出发了。
= （In order） to get there in time, they left early.
in order to catch
in order not to
in order to get
Exercise:
P71
B1
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.
C Using verbs + objects + infinitives with/without to
made us all laugh
saw a baby lion stay
asked us not to feed
helped us (to) understand
verbs
Objects(宾语)
宾语补足语（OC）
动词不定式
做宾语补足语
C Using +
+ (to) do 作宾补
structure:
I want you _________ a song to us.
2) My father asked me __________ my room.
我想让你给我们唱首歌。
我爸爸让我打扫一下我的房间。
动词不定式可以作宾语补足语，用来说明宾语的情况，表示宾语的状态、特征、身份等。
结构为：“动词+宾语+动词不定式”。
动词不定式做宾语补足语
to sing
to clean
3) The policeman told the boys not __________in the river.
to swim
警察告诉男孩们别在河里游泳。
make us all laugh
see a baby lion stay
You can let the boy go first.
I often hear the birds sing in the trees.
verbs
Objects(宾语)
宾语补足语（OC）
C Using +
+ do 作宾补
structure:
make
see
感官动词，如hear, feel, see, watch, notice等以及使役动词let, make, have，常跟不带to的动词不定式。此时不带to的动词不定式做宾语补足语。
1) I saw her __________the door.
2) You can let me _______ the classroom.
我看见她打开门。
你可以让我帮你打扫教室。
open
clean
动词help后面的动词不定式可带to，也可不带to。
1) She often helps me ________the housework.
2) We helped him _________his bike.
她常常帮我做家务。
我们帮他修自行车。
（to）do
（to）fix
see
make
help
not
Kitty is also writing about the trip to the plete her notes with the help of the words in brackets.
C1
P71
C1
asked to watch
told to wear
helped (to) learn
wanted to write
heard sing
Exercise:
summary
verbs + to-do 作宾语
2. verbs+ to-do 表目的
3. verbs + objects + （to）do作宾补
I. 单项选择。
( ) 1. David learnt ________ when he was five.
A. swim B. swims
C. swam D. to swim
( ) 2. Today is Father’s Day, and I plan _________ a dinner for
my father.
A. to prepare B. preparing
C. prepared D. prepare
( ) 3. Science is my favourite subject, so I have prepared
_________ the STEAM Club.
A. join B. joining
C. to join D. to joining
C
A
C
( ) 4. — I didn’t hear you come in.
— I tried ______ any noise. I knew the children were sleeping.
A. not make B. making
C. to make D. not to make
( ) 5. Mr Li told his students ______ in class.
A. not speak B. not to speak
C. don’t speak D. not speaking
( ) 6. Just now I saw Mary ______ Miss Black’s office.
A. enter B. to entering
C. enters D. to enter
D
B
A
II. 根据句意，从括号中选择合适的词语填在横线上。
1. Remember __________(send / to send) the letter to
your uncle.
2. Mark heard someone __________(close / closes) the
door just now.
3. This morning, Bill got up early ____________　　　　　
(practising / to practise) playing football.
4. Our basketball team is training hard so as _________　　　　　
(not lose / not to lose) the game.
5. In order ______________(understand / to understand)
the poem better, Vivian read it three times.
to send
close
to practise
not to lose
to understand
Just for fun
The wild animals are important to humans.
Group work
Talk about your trip to the zoo using to-infinitives(3-5句)
Some questions can help you:
When was the trip
What did you see and hear
What do you learn from the trip
Last Sunday, I went to the zoo with my best friend. We woke up early to get there on time. We saw pandas try to eat bamboo and monkeys play in trees. The zookeeper told us not to feed the animals. We also watched birds fly high to find food. This trip made us happy and helped me (to) love animals more. I want to visit the zoo again soon!
Homework
For all:
1.Review the grammar and finish the homework in your exercises book
2.Preview work power
For some:
Take about your trip to the zoo with your classmates after class.
Thank you!

展开更多......

收起↑