译林版(2019)选择性必修第一册Unit 1 Food matters Grammar and usage 课件(共27张PPT)

(共27张PPT)
选择性必修一 Unit1 Grammar and Usage
To-infinitive as subjects and predicatives
Exploring the rules
Read the blog entry. Find the sentences that use
to-infinitives as subjects or predicatives.
To-infinitives as subjects To eat out was also a social activity, ...
To-infinitives as predicatives ..., my first thought at mealtimes was to eat at a restaurant.
To-infinitives as subjects
To-infinitives as predicatives
To eat out was also a social activity, allowing me to enhance the relationship with my friends.
When I picked a popular recipe and gave it a try, I discovered that it was not that difficult to make a simple and tasty dish.
Not that long ago, my first thought at mealtimes was to eat at a restaurant.
My plan is to invite my friends over at the weekend to show them my new-found skills.
(1) To eat out was also a social activity, allowing me to enhance the relationship with my friends.
(2) There are a variety of recipes on the app to choose from.
(3) My plan is to invite my friends over at the weekend to show them my new-found skills.
分析A中其他to do的句法功能。
宾补
定语
目的状语
Working out the rules
When the to-infinitive is used as a subject, we usually use the preparatory subject (1)
at the beginning of the sentence.
The to-infinitive can also be used as a predicative. It usually comes after the verb (2) .
it
be
B
Applying the rules
B1
Rewrite the following sentences using to-infinitives according to the requirements in the brackets.
1. The next dish that the cook will prepare is Kung Pao Chicken. (attributive)
The next dish to be prepared by the cook is Kung Pao Chicken.
2. The preparation of home-cooked meals is easy and enjoyable. (subject)
To prepare home-cooked meals is easy and
enjoyable.
It is easy and enjoyable to prepare home-cooked meals.
3. Her dream is that she will open a restaurant some day. (predicative)
Her dream is to open a restaurant some day.
4. We will put the potatoes in the pot first in order that they will be cooked quickly.
(adverbial of purpose)
We will put the potatoes in the pot first (in order) to cook them quickly.
5. I consider the Soup of the Day as the best option on the menu. (object complement)
I consider the Soup of the Day to be the best option on the menu.
B2
Below is a lifestyle magazine plete the article with the correct forms of the verbs in the brackets.
As long as you are not afraid of heights, you will be impressed by Sky Buffet, the latest restaurant in the city centre. (1)___________(locate) at the top of Tower 88, it gives you an amazing view of the bay. Better still, its entire seating area turns slowly and it is enjoyable (2)_________ (see) the scenery outside while having your meal. Since it takes about an hour (3)__________(turn) the full 360 degrees, you are unlikely to get bored with the scenery.
Located
to see
to turn
If you want to get the most wonderful views, your best bet is (4)________ (sit) by the window an hour before sunset and watch how the sky changes colours. The atmosphere is lively and modern, with its walls (5) ________ (paint) white and light blue. Sky Buffet serves a menu full of eye-catching Asian dishes, (6) ________ (range) from Chinese food to Japanese food. It will be a good idea (7)_________ (invite) your family and friends over for dinner. Sky Buffet is considered by many locals (8)_______ (be) the perfect location for a special occasion.
to sit
painted
ranging
to invite
to be
1 to do作主语
规则小结
到哪里去度假以及何时去度假还没有决定。
Where to go on a holiday and when to go for the holiday (decide).
2. 到哪里去，何时去度假还没有决定。
Where and when to go on a holiday ________________
(decide).
have not been decided
has not been decided
动词不定式在句中用作主语，通常表示个别的、具体的、一次性的或者具有将来含义的动作，并且句子谓语动词采用第三人称单数形式，如果and连接两个或更多并列的不定式作主语，谓语动词就用复数。
It is a shame to litter.
It is a privilege to meet you.
乱扔垃圾可耻
认识你很荣幸
it 作为形式主语时，常见句型:
① It + be +adj. + ( for sb) to do sth ( adj 修饰物）
② It + be +adj. + ( of sb) to do sth ( adj 修饰人）
③ It + be + n. + to do sth
④ It + v. + O + to do sth
2 to do作表语
1. 动词不定式做表语直接用在系动词之后，起解释说明的作用，其主语通常是 aim, ambition, dream, duty, goal, idea, intension, plan, purpose, task, way, wish 等表示意向、打算、计划的词。
Her wish is to be a teacher.
她的愿望是当一名教师。
军人的职责是保卫祖国。
The duty of soldiers is to defend their country.
2. 动词不定式做表语用在 seem, appear, remain, prove, turn out 等系动词（短语）之后：
Several problems remain to be settled.
有几个问题有待解决。
We are to meet at the station at there.
How are we to convince him
You are to come when I call.
3. 用于表达想法、约定、义务、命令、可能性、命运等。
The question is how to carry out the plan.
4. “疑问词+不定式”也可以用作表语
一、从A、B、C、D四个选项中选择最佳选项
1. We're looking forward _______ the photo exhibition.
A. to visiting B. to visit C. to having visited D. visiting
2. —The light in the office is still on. —Oh, I forgot ______.
A. to turn it off B. turn it off
C. turning it off D. having turned it off
3. How about the two of us ________ a walk down the garden
A. to take B. take C. taking D. to be taking
4. Charles Babbage is generally considered _______ the first computer.
A. to invent B. inventing
C. to have invented D. having invented
5. In those days my family didn't have enough room________.
A. to live B. living in C. to live in D. living
A
A
C
C
C
6. When asked why he went there, he said he was sent there ____ for a space flight.
A. training B. being trained
C. to have trained D. to be trained
7. Since he doesn't want to accept your advice. It is no use ________ to him again.
A. in talking B. talking C. to talk D. of talk
8. We regret ________ that the movie was not worth_________.
A. to say; to see B. to say; seeing
C. saying; to see D. saying; to seeing
9. It's important for the figures ____ regularly.
A. to be updated B. to have been updated
C. to update D. to have updated
10. She is often heard _______ English aloud in the morning.
A. to read B. read C. to have read D. to be reading
D
B
B
A
A
11. With Father's Day around the corner, I have taken some money out of the bank ________ presents for my dad.
A. buy B. to buy C. buying D. to have bought
12 Your hair needs______. You'd better have it _____ tomorrow.
A. to be cut; do B. cutting; doing
C. to be cut; done D. cutting; to be done
13. ______ in pencil, the letter was difficult________ out.
A. Being written; in making B. Written; to make
C. Having written; to make D. Having been written; making
14. He has no choice but ________ to see him.
A. to go B. go C. going D. goes
15. There was nothing they could do but _______ for a mechanic to arrive.
A. to wait B. waiting C. wait D. waited
B
C
B
A
C
二、用括号中所给单词的正确形式补全句子
1. Her husband and she are now at work on a new dictionary___________________(publish) next year.
2. Frankly speaking, I would rather _______________ (give) up the job than______________ (do) something illegal
3. The thief was seen_____________________ (break) into the house, and the people called the police.
4. While many young kids are keen on watching cartoons, little Jack prefer ___________ (collect) coins.
5. Though he had often made his little sister cry, today he was made_______________ (cry) by his little sister.
to be punished
give
do
to have broken
to collect
to cry
6. Tu Youyou is the first Chinese woman scientist ____________________ (award) the Nobel Prize.
7. Medical teams are reported _______________________ (send) to isolated villages to help people fight against the cold snap in Europe.
8. He was the first_______________ (arrive) at the end of the line.
9. The boss forbids his employees _______________ (use) mobile phones during working hours.
10. That is the only way we can imagine ___________ (reduce) the overuse of water in students’ bathrooms.
to be awarded
to have been sent
to arrive
to use
to reduce
11. ___________________ (accept) as an Olympic event, a sport must be played in at least 75 countries on at least 4 continents.
12. The flu is believed ____________________ (cause) by viruses that like to reproduce in the cells inside the human nose and throat.
13. I like getting up very early in summer. The morning air is so good _____________ (breathe).
14. With the work ____________________ (finish) in just a few hours, I had no time to argue with them.
15. This kind of laptops(笔记本电脑) is easy ________________(operate). No wonder it is popular among middle-aged users.
To be accepted
to be caused
to breathe
to be finished
to operate
三、用方框中所给单词的正确形式补全句子 （SB P58 C）
to look
to be heard
to decide
shutting
to be
spent
to complete
lowered
To free
to be updated
Language focus
SB P5 B1
(be) in low spirits
cry out for
a sense of security
do the trick
generate positive emotions
food high in calories
lower blood sugar levels
a cycle of highs and lows
relieve tension
be aware of
adj. 情绪低落(不高兴)
迫切需要
安全感
达到目的； 有效
激发积极情绪
高热量的食物
降低血压
起起伏伏的循环
缓解紧张情绪
意识到，明白
SB P5 B2
cheer up
make up for
give up
take up
keep up
set up
show up
vi. 振作起来；vt. 使高兴；使振奋
补偿； 弥补
放弃；抛弃
拿起；开始对......产生兴趣；从事
保持 继续 维持 跟上(时代)
建立；树立；创立
露面，出现
SB P6 A 知识点
come across
a variety of
choose from
step by step
not that difficult
throw oneself into
偶然发现、遇见
多种多样的、各式各样的
从 ... 中挑选
逐步地
没那么难
全身心地投入
Not only is cooking at home cheaper, but I can cook exactly what I want.
Not only is cooking at home cheaper, but I can cook exactly what I want.
为了强调，可将 not only 置于句首，
此时其后的句子通常要用部分倒装的形式，
但是 but also 后面的句子不用倒装，且可省略 also。
Not only is he handsome but also intelligent.
Not only did she forget my birthday, but she also didn't even apologize for forgetting it.
Not only is the position of the earth changing but (also) the earth itself is undergoing change.
SB P7 B2 知识点
as long as
be impressed by
better still
get bored with
your best bet
eye-catching
range from ... to ...
conj. 只要
对 ... 印象深刻； 被 ... 所感动
就更好了； 更好是
对...感到厌烦
最好的方式，最佳选择
adj. 引人注目的；耀眼的
（范围）从 ... 到 ... （变化）
If there were no clouds,
we should not enjoy the sun.
每课警句
吃得苦中苦，方知甜中甜。