2023届高考英语二轮复习动词不定式讲解+写作训练课件(共23张PPT)

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名称 2023届高考英语二轮复习动词不定式讲解+写作训练课件(共23张PPT)
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科目 英语
更新时间 2022-12-18 23:24:00

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(共23张PPT)
Grammar: the Infinitive
动词不定式
/ n f n t v/
What is the Infinitive
/ n f n t v/
What is it used for
How to use it
What is the Infinitive
A robot is a machine designed to do jobs that are usually performed by humans.
She felt embarrassed and quickly told him to go.
to + verb
not functioning as
the main verb (非谓语动词)
Is it always in the form of to do
The vaccine-making job makes him work all night long.
疫苗研发
The director had her assistant pick up some hot dogs for the meeting.
Traditional Chinese medicine can help (to) treat patients infected with Covid-19.
在主动结构中, 有些感观动词和使役动词接不定式做宾语补足语时,通常不带to: “五看”(see, watch, notice, observe, look at)、“三使”(make, let, have)、 “两听”(hear, listen to)、“一感觉”(feel)。Help后面的不定式做宾补可以带to, 也可以不带。
bare infinitive (不带to的不定式)
/ v ksi n/
Our host shared many of their experiences and
recommended wonderful places to eat, shop and visit.
(2019全国Ⅲ )
Is it always in the form of to do
What I want to do here is help you better understand
the infinitive.
What I want to enjoy here is to watch a movie.
He did nothing but lie down and sleep.
He had no choice but to lie down and sleep.
Anything new
I promise not to waste my time.
It was going to be tested out by Larry’s wife, Claire
I pretended to be reading when my mom came into my room.
He is thought to have acted foolishly.
The patient was reported to have been properly treated in the hospital.
The Infinitive
不定式
主 动 否定式 not to do
一般式 to do
进行式 to be doing
完成式 to have done
被 动 一般式 to be done
完成式 to have been done
To learn the infinitive well in one lesson is not easy.
What is it used for
top-heavy头重脚轻的
It is not easy to learn the infinitive well in one lesson.
subject(主语)
formal subject(形式主语)
His ambition is to become an actor. (人教⑦ U1)
predicative(表语)
What is it used for
David threatened to report his neighbour to the police if the damages were not paid. (2009上海改)
object(宾语)
He made it a rule only to speak English in class.
formal object形式宾语
He allowed me to stay and watch
object complement宾语补足语
advise, allow, ask, beg, cause, direct, encourage, enable, expect, permit, persuade…
sb.
to so sth.
What is it used for
Vaccines have been one of the greatest public health tools to prevent disease.
…health tools which help prevent disease
attributive定语
The press conference (记者招待会)to be held tomorrow is of great importance.
…conference which is going to be held
What is it used for
To fight against the spread of Covid-19, we need to unite.
in order to fight against…
We are glad to hear that no cases of covid-19 have been reported.
Tom took a taxi to the airport, only to find his plane high up in the sky.(2012四川改)
sth. unexpected happened
The machine is very easy to operate.
adverbial 状语
sth. / sb. + be +adj. + to do
The Infinitive
具有下列词类之特征 在句中的作用 名词 形容词 副词 主语 subject 表语 predic-tive 宾语 object 宾语补足语 object comple-ment 定语 attribu-tive
状语
adverbial
How to use it
It is going to be tested out by Larry’s wife.
The robot wouldn’t harm her or allow her to be harmed.
It was ridiculous to be offered sympathy by a robot.
Tony expected the house to be transformed
Read aloud
How to use it
1.It’s impossible ___________(not talk) about China as the leading player when discussing fashion. (2019全国Ⅲ)
not to talk
My little experience ______ (find)joy in a single object
worked for both of us. (2018全国Ⅲ)
to find
Adults understand what it feels like _______________ (flood) with objects (at home). (2018全国Ⅲ)
to be flooded
He is the first Chinese citizen __________(win) this award. (2018全国Ⅲ)
to win
How to use it
Rewrite the following sentences, using the infinitive.
Patients in Wuhan are fortunate. Doctors and nurses across the country give them a lot of help.
Patients in Wuhan are fortunate___________________
to be given a lot of help.
The old man is fortunate. He has been treated properly in the cabin hospital.
The old man is fortunate _______________________
______________________.
to have been treated properly
in the cabin hospital.
方舱
How to use it
John is ashamed. People found him stealing.
Rewrite the following sentences, using the infinitive.
John is ashamed ________________________.
to have been found stealing
His first book ________________________ is based on a true story.
to be published next month
His first book will be published next month. It is
based on a true story.
How to use it
Rules for Preventing Oneself from COVID-19 Infection
1. Make sure ______________________.(外出时带上口罩).
2. It is important _______________________________
(咳嗽打喷嚏时用纸巾遮掩)
3. It is essential ___________________________________
__________________________________________.
(用肥皂和流动水彻底洗手至少15秒)
● Before eating and after using the toilet
● After returning home
● After touching trash or garbage
● After contacting with animals or handling animal wastes
to wear a mask outdoors
to cover your coughs and sneezes with tissue.
to wash your hands with soap and
running water thoroughly for at least 15 seconds
How to use it
Rules for Preventing Oneself from COVID-19 Infection
4. Try _______________________________________
(规律锻炼以增强免疫力)
5.__________________(为呼吸新鲜空气),avoid going
to crowded places such as hospitals, railway stations
and airports.
6. ____________________________________________
(有发烧症状且呼吸困难时), seek
medical attention immediately.
To breathe fresh air ,
to exercise regularly to strengthen your immune system.
When you have symptoms of fever and find it difficult to breathe,
How to use it
Rules for Preventing Oneself from COVID-19 Infection
7. Avoid seeing people who__________________________
_____________________ (被认为接触过确诊病人)
8. Remind yourself ________________________________
_______________(不要接触野生或养殖动物)without
any protection.
are believed to have contacted
not to contact with wild animals or
farmed livestock
with confirmed patients
1. to + do
2. make/have/hear …sb. do
3. not functioning as the main verb (非谓语动词)
The Infinitive
否定式 not to do
一般式 to do
进行式 to be doing
完成式 to have done
一般式 to be done
完成式 to have been done
在句中的作用 主语 表语 宾语 宾语补足语 定语
状语
The Infinitive
I don’t know how I can improve ,my language learning.=I don’t know how to improve my language learning.
When she arrived at Gombe in 1960, it was unusual for a woman to live in the forest.(人教④ U1)
It’s cruel of them to eat animals.
He stopped to talk about Covid-19. He stopped talking about Covid-19.
I’m looking forward to going back to school. (be used to; be accustomed to; pay attention to; stick to;
be devoted to…)
How to use it
We know that there is still a long way ________ (go) before we can make the Covid-19 under control. Fortunately ,the government have mobilized(调动)all necessary and available resources ____________(fight) against the spread of the virus. Winter will eventually pass and spring is sure _________(come).
to go
to fight
to come
没有一个冬天不可逾越,没有一个春天不会到来。
Homework
根据以下提示,写一篇作文,要求如下:
无论你身处哪里,这是一场全世界、全人类的战役。
假如你是李华,给留在桂林过寒假的留学生朋友Jack写一封电子邮件, 告知其目前新型冠状病毒肺炎的形势, 请他注意防护。要点如下:
1). 告知疫情现状;
2). 注意防护,如减少外出,带口罩外出,勤洗手等。
3). 表达战胜疫情的信心。
注意:1、可适当增加细节, 使行文连贯。2、100词左右。
参考词汇:suspected/confirmed cases疑似/确诊病例,
quarantine隔离 close contacts密切接触者