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(共19张PPT)
Read the sentences below. Pay attention to the words in bold.
Jin Ya wanted to paint a picture of the park near her home.
We encouraged them to tell stories from their own life.
My mother and I will continue to visit Liu Yun in our spare time.
The words in bold are “infinitives”.
Read the sentences below. Pay attention to the words in bold.
Jin Ya wanted to paint a picture of the park near her home.
We encouraged them to tell stories from their own life.
My mother and I will continue to visit Liu Yun in our spare time.
to paint 是动作
want的对象
to tell 是对宾语
them的补充
to visit 是动作continue的对象
Can you think of any other verbs that use these two structures
v. + to + infinitive want, hope, wish, decide, plan, agree, refuse, choose, promise, offer, prepare, forget, remember, …
v. + object + to + infinitive want, ask, tell, invite, teach, warn, encourage, order, advise, …
We also use an infinitive without to after some verbs:
v. + object + infinitive
v. + to + infinitive want, hope, wish, decide, plan, agree, refuse, choose, promise, offer, prepare, forget, remember, …
v. + object + to + infinitive want, ask, tell, invite, teach, warn, encourage, order, advise, …
v. + object + infinitive let, make, have, see, hear, feel, …
Practice
inviting everyone to take part in
want to paint
let me go
told me to stay
want me to take
teach you to paint
Find out the mistakes in the sentences.
1. I saw a teenager to carry an old lady’s bags.
2. My teacher often helps me solving maths problems.
3. She hopes her to pass the mid-term exam.
4. My mum asked me to not go anywhere today.
5. Have a bright future, we try our best to gain knowledge.
Practice
(to) solve
not to
To have
see sb. do
help sb. (to) do
hope to do
ask sb. not to do
Practice
Why did the three teenagers offer to do some voluntary work during the school holidays
Why did Dong Lili go to the children’s hospital
Why did Dong Lili go to the park near Jin Ya’s home
Why did Wang Jie and his mother encourage Liu Yun to share her stories
(5) Why did Ding Ling teach disabled children to sing
They did some voluntary work during the school holidays to help others.
Dong Lili went to the children's hospital to cheer the children up with some fun activities.
Dong Lili went to the park near Jin Ya’s home to take some photos for her painting.
Wang Jie and his mother encouraged Liu Yun to share her stories to help her express her feelings.
Ding Ling taught disabled children to sing to bring them joy.
2. Answer the questions below with infinitives. Use the information from the posts on page 5 to help you.
Grammar in use
S1: What can we do to help children in poor areas
S2: We can donate money and clothes. To do that, we first need to raise some money.
S3: Our head teacher asked us to organize a school fair.
S4: That’s a good way to raise money!
Role-play a conversation about helping others. Use at least two different infinitive structures. You can use the example below to help you.
Grammar in use
4 Write a dialogue about your experiences helping others or your future volunteering plans. Use at least three infinitives in the dialogue.
Draw a mind map
Work in groups and summarize what you have learnt in this lesson.
1. List the different kinds of infinitives.
2. Write an example sentence for each kind.
3. Design a logical and beautiful mind map to organize your ideas.
4. Show it to the class.
Example
The infinitive
Types of infinitives
Structure
to do
not to do
do
v. + to do
v.+ object + do
v.+ object + to do
Example sentence
Draw a mind map
Sawyer promised ______ (give) his daughter a new computer.
Fanfan challenged me ______ (play) another tennis game.
I often heard my neighbour ______ (play) the piano in the evening.
After a hot discussion, everyone agreed ______ (stop) their work.
Don’t let your parents ______ (worry) about you.
Betty failed ___________ (understand) Tim because he spoke too fast.
Whatever you say, I’ll always choose ______ (trust) him.
Nobody saw him ______ (steal) the valuable painting.
In the end, Jeff decided ______ (go) on a picnic this Sunday.
The boss ordered his staff ______ (work) until midnight.
More practice
用括号内所给动词的适当形式填空。
to give
to play
play
to stop
worry
to understand
to trust
steal
to go
to work
More practice
阅读短文，并且用括号内所给词的适当形式填空。
Justin’s day at the children’s hospital
Last month, Justin and his classmates planned ______ (do) something meaningful. They volunteered ______ (help) cheer up the young patients at the children’s hospital.
When they arrived, a friendly nurse advised them ______ (wash) their hands carefully. Justin joined the kids in the playroom. He helped a little girl ________ (finish) a colourful rainbow drawing. He also listened to a shy boy ______ (tell) a short story about a superhero. It was so funny that it made everyone ______ (laugh) loudly.
At first, some children refused ______ (join) the group activities. But Justin patiently encouraged them ______ (try) something easy. He gave them crayons (彩色蜡笔) and paper. Soon, they began to draw and play too. Justin spent the whole afternoon ______ (play) games with the children.
When it was time to leave, the children thanked Justin and his friends. He felt tired but very glad. He learnt that even a small act of kindness can bring joy to others. He really enjoyed ______ (spend) time with the kids and seeing them happy. Justin can’t wait to volunteer again.
to do
to help
to wash
(to) finish
tell
laugh
to join
to try
playing
spending
Self-assessment
评价内容 评分（1–5）
1. 我能辨别动词不定式的基本形式。 1 2 3 4 5
2. 我能正确使用动词不定式的三种结构（v. + to do; v. + object + to do; v. + object + do）。 1 2 3 4 5
3. 我能在对话或写作中综合运用动词不定式进行表达。 1 2 3 4 5
4. 我在语法学习中，形成了观察、归纳、运用、总结的逻辑链条。 1 2 3 4 5
Homework
基础作业
整理课堂内容，继续优化“动词不定式”思维导图。
根据Grammar in use的活动要求，撰写五段短对话，每段至少使用动词不定式的一种结构。
完成课本第134页的语法填空习题。
拓展作业
撰写一个60-80词的语段，描述一项志愿服务活动计划。要求至少使用6次动词不定式，且涵盖动词不定式的三种结构。

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