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(共35张PPT)
士气展示
Nothing seek, nothing find.
没有付出，就没有收获!
Keep on going, don't give up.
勇往直前，决不放弃!
We are the best, we are the best.
我们是最好的！
Clever baby , go go go.
聪明宝贝，冲冲冲！
日日诵
What is also very different is that students in the same class can have different class schedules.
Being a doctor means I have to make correct decisions all the time,which puts a lot of pressure on me.
Unit1 Lesson 1 Lifestyles
Grammar:动词不定式
动词不定式
定义：动词不定式是一种非谓语动词形式
基本结构：to (小品词) + do (动词原形)
找出不定式，并尝试判断其在句中做什么成分
My mum keeps telling me to go out with my school friends instead.
It’s important to meet friends in person from time to time, not just on social media.
When I set out to do something, I do my best to achieve it.
My target is to prepare myself for my degree in biology at university.
Li Ying is the first person to join the volunteering club in her class.
宾补
主语
宾语
状语
表语
定语
找出文中的不定式，并理解不定式在句中充当什么成分
It’s so convenient to be able to compare the quality and prices from different online shops before I buy.
My mum keeps telling me to go out with my school friends instead.
I do know I need to drag myself aways from the online world sometimes.
I tend to set a goal for every subject at the beginning of each term.
主语
宾补
宾语
宾语
My target is to prepare myself for my degree in biology at university
I am always attentive in all classes and thinks actively, so that I can have more free time to do other things that I’ m interested in after school.
I have a top 10 reading list and I try to keep it updated.
It always make me excited to work hard and achieve a team goal together.
To achieve all I want, I must use my time well.
I try to use any possible time to revise the things I have learned during the day.
表语
定语
宾语
主语
目的状语
宾语
状语
It usually takes me 20 minutes to get home by bus.
I often use the time to review English words.
主语
状语
动词不定式可以做什么成分？
主语，宾语，表语，定语，状语，宾语补足语
1. 不定式做主语
To enter a good university is our dream.
Entering a good university is our dream.
Doing
To do
it作形式主语的句型有？
经常性行为，习惯性行为，客观事实
一次性具体的行为
常见的it作形式主语的句型:
(1)It +be +形容词+for/of sb +to do sth.
It’s so convenient to be able to compare the quality and prices from different online shops before I buy.
(2)It +be+(a/an)+名词(pleasure/pity/pleasant thing)...to do
It’s a virtue to admit and overcome one’s own shortcomings.
(3) It +动词+宾语+ to do sth.
It takes/cost/require/make sb. （some time） to do sth.
It usually takes me 20 minutes to get home by bus.
it做形式主语，真主语必须用动名词的情况：
It’s no use/useless/no good/a waste of time+doing sth.
eg: It's no use/useless waiting for him any longer.
It’s a waste of time arguing about it.
there is no....表禁止某种行为的发生时
eg: There is no joking about such matters.不准拿这种事开玩笑。
2.不定式做宾语
I do know I need to drag myself aways from the online world sometimes.
I tend to set a goal for every subject at the beginning of each term.
I have a top 10 reading list and I try to keep it updated.
I try to use any possible time to revise the things I have learned during the day.
2. 不定式做宾语
b) 及物动词+动词不定式（做宾语）
afford aim agree arrange ask decide choose demand determine expect fail happen hesitate learn manage offer plan prepare promise refuse tend wait
+ to do
固定搭配
练：1. I happen ______ (know) the answer to the question.
2. I am determined _______ (study) hard so that I can pass the exam.
3. I failed ___________ (persuade) him to give up smoking.
to know
to study
to persuade
c）特殊句型 ——— 6123句型
主语+find/feel/think/ believe/consider/make+ it+ adj./n.+to do/doing sth./that…
I think _____ essential to reserve air tickets.
I found it difficult __________(focus) on my subjects.
it：形式宾语 to do: 真正的宾语。
注doing: I find it no use/ no good/ useless/ a waste of time doing sth.
to focus
it
c）特殊句型 ——— 6123句型
主语+find/feel/think/ believe/consider/make +it+adj./n.+to do/doing sth./that…
练：
1. The teacher believes it necessary __________ (read) English loudly in the morning.
2. The young lady felt it convenient ________ (shop) online.
3. We think it unbelievable for you _______(make) the same mistake.
4. The wife made it a rule ______ (do) some exercise everyday.
to read
to shop
to make
to do
不定式的特殊含义/用法 3-4
forget, remember, regret等
to do
doing
+
动作未做
动作已做
练：1. Please remember __________ (lock) the door when you leave.
2. I remembered ________ (do) my homework, so that I went out to play.
3. I regretted ______(do) it, but I had no choice at that time.
4. I will not regret _______(tell) her the truth.
to lock
doing
doing
to tell
不定式的特殊含义/用法 3-4
stop/continue
to do
doing
+
另一件事
同一件事
练：
1. The dog stopped ________(bark), because the baby fell into sleep.
2. When I heard mom back home, I stopped ______(read) books.
3. After a rest, he continues ________(read).
4. After he finished reading a novel, he continued ________(play) games with his friends.
barking
to read
reading
to play
a) 疑问词+to do
know learn decide explain advise show tell forget remember wonder
+
what which
who when
where how 等
+
to do
练：
1. I want to figure out how _________(operate) this machine.
2. The little boy forgot when __________ (hand in) his homework.
to operate
to hand in
2. 不定式做宾语
练：
3. I didn’t know _______ to do.
4. The question is how _______ (put) the measure into practice.
5. He hesitated _________(decide) where ______(go).
what
to put
to decide
to go
3. 不定式做表语
练：
1. My target is _______(help) you improve your spoken English.
2. My dream is ________(be) a doctor.
3. His expectation is __________(go) to a famous university.
to help
to be
to go
To 的省略
当主语部分有do的任何形式（do/does/ did）时，作表语的不定式可以省略to。
My aim is to enter an ideal university.
The only thing that I can do now is (to) wait.
What I can do now is (to)study hard.
4. 不定式做状语
a) 表目的：to do/ in order to do/ so as to do
练：1. _____________(recover) from the bad cold, he followed the doctor’s advice strictly.
2. He worked hard _____________(live up to) his parents’ expectation.
3. Students should read various books _______(broaden) their horizon.
4. I am on a diet __________(lose) weight.
5. ________(change) the living conditions, he rebuilt his house.
To recover
to live up to
to broaden
to lose
To change
b) 表出乎意料的结果
only to do:
1. He rushed to the train station, only ______ (find) the train had left.
2. He studied hard, only _________(find) he had failed to pass the exam.
3. I went to the bakery shop, only ____(tell) that the bread were sold out.
to find
to find
to be told
too…to: She is too young to carry the box.
enough to: She is not old enough to carry the box.
so…that : She is so young that she can’t carry the box.
c) 表原因 be + adj. + to do
不定式作原因状语，常用在某些表示喜、怒、哀、乐等的形容词后，如glad, pleased, sad, worried, excited等。
练：
1. They are surprised _______(hear) that they won the game.
2. He was happy ______ (meet) his old friend.
3. I am glad _______ (make) preparations for the party.
to hear
to meet
to make
不定式作宾补
My mum keeps telling me to go out with my school friends instead.
5. 不定式做补语 1-4
allow challenge consider drive tell encourage find force invite order permit persuade send suppose
+ 宾语 + to do (宾语补足语)
练：1. The teacher allow students ________ (have) a discussion during the class.
2. I persuaded my father not ________ (swim) alone in the river.
3. I invite Tom _________ (attend) the meeting.
to have
to swim
to attend
5. 不定式做宾补 2-4
I make my daughter _____ the piano.
My daughter is made ______ the piano (by me).
在一感feel，二听listen to; hear，三让let; make; have，
五看see; watch; look at; notice; observe; 等词后，不定式不加to
但是变被动，必须带to
play
to play
6. 不定式做定语（后置）
The weather will keep warm in the days________(come).
2. You should take the chance ____________ (get ahead) in your career.
to come
to get ahead
不定式作定语要后置，往往表示未发生的动作。
抽象名词（time, way, courage, reason, chance, opportunity, ability等)与不定代词(something, nothing, little等)的后面常用不定式作定语。
6. 不定式做定语（后置）
3. He is always the last person ______ (leave) the classroom.
4. There is nothing _______ (worry) about.
to leave
“There be+主语+to do”和“have sth. to do”结构中，不定式作后置定语。
中心词是序数词/形容词最高级以及the last/the only/the next,或被这些词修饰时。
to worry
不定式的否定
形式：not to +动词原形
练：1. 医生告诉他不要吃辛辣食物。
The doctor told him not to eat spicy food.
2. 他似乎不喜欢玩游戏。
He seems not to like playing games.
动词不定式的时态与语态
主动语态 被动语态
一般时 to do to be done
完成时 to have done to have been done
进行时 to be doing
动词不定式的时态&语态
李颖的目标是把每一门学科都学好。
1. Li Ying’s aim is ______(do) well in every subject.
当老师进来时，他假装正在看书。
2. When the teacher came in, he pretended ____________(read).
当他妈妈进来时，他假装已经做完作业了。
3.When his mother came in, he pretended ____________(finish) his homework.
她要求被平等对待。
4. She asks _________(treat) equally.
to do
to be reading
to have finished
to be treated
动词不定式
定义：动词不定式是一种非谓语动词形式
基本结构：to (小品词) + do (动词原形)
否定形式：not to + do (动词原形）
特点：不定式没有人称和数的变化，但有时态和语态的变化
句法功能：能在句子中充当主语，宾语，表语，定语，状语，宾语补足语等
Thank you.

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