Unit2 Great minds Grammar课件(共16张PPT)

(共16张PPT)
Great minds
Unit 2 Grammar
学习目标
1. 掌握to do 作后置定语修饰名词；
2. 掌握be to do 作表语修饰名词；
3. 掌握it 作形式主语代替to do;
4. 能够在具体语境中正确使用to do。
After the lecture, I met Einstein on my way and shared
my dream with him.
1. What’s my dream
2. What does Einstein think of
being a scientist
3. What’s the most important thing
to do now
After the lecture, I met Einstein on my way and shared
my dream with him.
Thank you!
Dr. Einstein, it's a pleasure to listen to your lecture.
After the lecture, I have a dream to become a scientist like you.
To be a scientist is meaningful.
I hope to find a way to help people live to be 1,000 years old.
It will take you a long time to do that.
I know, so the most important thing now is to work hard.
I hope your dream will come true one day.
After the lecture, I met Einstein on my way and shared
my dream with him.
1. What’s my dream
2. What does Einstein think of being a scientist
3. What’s the most important thing to do now
I have a dream to become a scientist like Einstein.
To be a scientist is meaningful.
The most important thing now is to work hard.
Bonnie: Dr. Einstein, it's a pleasure to listen to your lecture.
Einstein:Thank you!
Bonnie: After the lecture, I have a dream to become a scientist like you.
Einstein: To be a scientist is meaningful.
Bonnie: I hope to find a way to help people live to be 1,000 years old.
Einstein: It will take you a long time to do that.
Bonnie: I know, so the most improtant thing now is to work hard.
Einstein: I hope your dream will come true one day.
Infinitives：to do
1. I have a dream to become a scientist.
2. I hope to find a way to help people live to be 1,000 years old.
3. I've made a plan to make life better for everyone.
The usage of infinitives(1)
不定式to do 的用法
Rule 1: n.+ to do, to do 作后置定语修饰名词
When we want to give more information about nouns, we can
use infinitives.
Exercise 1: Complete the paragraph below with the words from the box.
become a scientist go to university do Maths try again
At school, Einstein’s ability (1)___________ surprised his teachers, but he was bored with other subjects. At the age of 15, he was given the chance (2)________________ ,
but he did not do well enough in the exam. He did not lose heart, however, and he had a wish (3)__________ the next year. This time he succeeded. He kept trying, so he achieved his dream (4) __________________.
to do Maths
to go to university
to try again
to become a scientist
1. The most important thing now is to work hard.
2. Her wish is to be like Einstein.
3. My dream is to become a scientist.
The usage of infinitives( 2)
不定式to do 的用法
Rule 2: be+ to do, to do 作表语修饰名词
1. I have a dream to become a scientist.
2. I' ve made a plan to make life better for everyone.
3. I've made a decision to help the sick people.
Exercise 2: Replace the following sentences with be +to do .
My dream
is to become a scientist.
My plan
is to make life better for everyone.
My decision
is to help the sick people.
1. To be a scientist is meaningful for me.
2. To listen to your lecture is a pleasure .
3. To help people live to be 1,000 years old will take you a long time.
The usage of infinitives(3)
不定式to do 的用法
主语
It is meaningful for me to be a scientist.
Rule 3: to do作主语
(1) It is adj. (for sb.) to do
(2) It is n. to do
(3) It takes sb. time to do
It作形式主语, 代替to do
It
is a pleasure
to listen to your lecuture.
It
will take you a long time
to help people live to be 1,000 years old.
Exercise 3: Bonnie is asking Einstein for advice about how to achieve her plete their conversation with infinitives and words in brackets.
Bonnie: Dr. Einstein, would you like to give me some advice about how
to achieve my dream
Einstein: Of course.
Bonnie: Your' ability to do Maths really surprises us. How long does it
take you to do Maths every day
Einstein: (1)________________________________________
(take/10 hours) I'm really interested in Maths.
Bonnie: Wow, do you agree interest is the best teacher
Einstein: Yes, (2)___________________________(amazing/me/learn)
what I like.
It takes me 10 hours to do Maths every day.
it's amazing for me to learn
Bonnie: Besides interest, what else do you think is the key to your success
Einstein: (3)__________________________________(a good idea/keep curious)
I'm cuirous about everything around me. What's more,
(4)______________________________(necessary/work hard)
Bonnie: I see, interest, curiosity, working hard are all important. Thank you so
much, Dr. Einstein.
Einstein: You're welcome.
It's a good idea to keep curious.
it's necessary to work hard.
1. n.+ to do, to do 做后置定语修饰名词
2. be + to do, to do 做表语修饰名词
3. to do作主语, it是形式主语, 指代to do
(1) It is adj./n.(for sb) to do
(2)It takes sb. time to do
Summary: What have we learnt today
I have a dream to be a scientist.
My dream is to be a scientist.
It is meaningful for me to be a scientist.
It will take you a long time to do that.
It is a pleausre to listen to your lecture.
Homework
1. Write an article about your dream,
2. Try to use infinitives when necessary.
Thank you !