资源简介

(共47张PPT)
SectionA 4a-4c Grammar Focus 语法课
新版人教版八年级下册英语AI赋能课件
Learning Objective
能够归纳总结动词不定式的基本结构;明确其语法功能和用法特点.掌握带to和不带to动词不定式的 区别,尤其是感官动词和使役动词后接不带to不定式的规则
学习理解
能够在语境中正确运用动词不定式表达目的,愿望,计划等,能准确使用动词不定式完成句子填空和对话练习, 能区分不同语境下动词不定式的正确形式
应用实践
能够在小组活动中, 运用动词不定式描述自己的课余活动和个人经历, 语言准确, 表达流畅, 通过分享增进同伴之间的了解和交流
迁移创新
Contents
Lead in
Presentation
P ractice
Production
language points
Exercise
Homework
Summary
Hey everyone! Let's continue to discuss free-time activities.What do you like to do in your free time
I saw my mother paint.I decided to give it a go.
I saw my mother paint.I decided to give it a go.
I liked to paint .
How did you get into painting
How did you spend your weekend
She told me not to give up so easily.
I went to the sports centre to ice skate.
How did you spend your weekend
What did your instructor say
What do you do in your free time
I play the flute to relax.
I started swimming to get over my fear.
I like to swim.
What do you do in your free time
Why did you start swimming
I liked to paint .
I saw my mother paint.I decided to give it a go.
I went to the sports centre to ice skate.
She told me not to give up so easily.
I play the flute to relax.
I like to swim.
I started swimming to get over my fear.
Pay attention to the words of red colour.”To do”is called“infinitive”.
注意红色的单词.”To do”叫做动词不定式
What components can an infinitive verb serve as (动词不定式能做哪些成分)
And how do you determine them (又怎样判断呢 )
What do you do in your free time I play the flute to relax.
How did you spend your weekend I went to the sports centre to ice skate.
How did you get into painting I saw my mother paint.I decided to give it a go.
What did your instructor say She told me not to give up so easily.
动词不定式做目的状语
动词不定式做目的状语
动词不定式做宾语补足语
动词不定式做宾语补足语
4a.Read the sentences.Decide if each infinitive in bold functions as an object complement or adverbial.
开始做某事,进入
试一试某事
动词不定式(Infinitive verb)
1.肯定结构:to+动词原形
2.否定结构:not+to+动词原形
3.动词不定式是一种非谓语形式,在句子中可以作主语,宾语,定语，状语,补足语,表语等.
动词不定式做主语
To get up early is difficult for me.
早起对我来说是困难的.
It is difficult for me to get up early.
动词不定式做主语时,为了避免句子的头重脚轻,常用it作形式主语,把真正的主语后置.
常用结构:It is+adj.+(for sb.)to do sth.
动词不定式做表语
1.My work is to clean the room every day.
我的工作就是每天打扫房间。
2.My dream is to be a scientist. in the future.
我的梦想未来成为一名科学家。
1.用法：放在系动词（be/seem/taste/look/sound等）之后,用来说明主语的具体内容或目的, 常可翻译为 “是”。
2.结构: 主语+be+to do sth.
动词不定式做宾语
1.Lucy likes to play the flute .
露西喜欢吹笛子。
2.I don'twant to give up.
我不想放弃。
1.一些谓语动词后能用不定式作宾语,常见的这类词是表示命令,打算或希望的,如:Would like,want,wish,hope,decide,plan,expect等.
2.在find,think后跟不定式作宾语时,常用it代替,而将真正的宾语放在后面.如；
I find it easy to read English every day.
动词不定式（to do) 作宾语
want/would like
hope/wish
can't wait
refuse
offer
decide
learn
expect
承诺
plan
choose
设法
动词不定式作宾语补足语
1.Her instructor told her not give up so easily.
她的教练告诉她不要轻易 放弃。
2.I want to read more books .
我想读更多的书。
1.用法:用来补充说明宾语的情况。
2.结构:v.+sb.(not)to do sth.
动词不定式作宾语补足语
advise
allow
ask
encourage
invite
teach
tell
want
would like
expect
动词不定式作宾语补足语
1.She saw her mother paint.
她看见了她妈妈绘画。
2.Tom heard a girl sing in the next room.
汤姆听见了一个女孩在隔壁房间唱歌。
在表示感官及使役等意义的动词后,要用不带to 的不定式作补语。
动词不定式作宾语补足语
一感
feel
二听
hear
listen
三让
let
make
have
四看
look
see
notice
watch
动词不定式作目的状语
1.I play the flute to relax.
我吹笛子是为了放松。
2..To catch the early bus, Lucy got up early.
露西早起是为了赶早班车。
1.用法:表示做某事的目的或意图,常译为 “ 为了...”, 可放在句首或 句尾。
2.结构：主语+动词+.....+to do sth.
动词不定式作定语
1.It's a good way to relax.
它是一个放松的好的方式。.
2.I have lots of work to do.
我有许多工作要做。
1.用法：放在名词或代词后面, 修饰该名词，表示”.......的’
2.结构: 名词/代词+to do sth.
plete the conversations with the correct forms of the verbs in brackets.
1. A:Thanks for your advice!It made me_______________(decide)to try skiing.
B:You're welcome.Try_______________(forget)your fears and have fun!
2.A:My cousin often asks me___________(fly)kites with her when it's windy.
B:That sounds fun!I'd love to watch you___________(fly)kites sometime.
3.A:I love to watch kung fu movies____________(relax).
B:Really When I want___________(relax),I watch animal videos.
4.A:My parents told me___________(not push)myself too hard.
B:Yes,it's important___________(not forget)to relax once in a while.
decide
to forget
to fly
fly
to relax
to relax
not to push
not to forget
偶尔,偶然,间或
chat (not)come do listen play spend stay watch
My twin brother and I look alike,but we are so different.I love sport,and I often meet my friends____________football and tennis.My brother joined us to play football once or twice,but he decided______________after that.He doesn't like sport very much!Instead,he likes____________at home and___________movies,___________to music,and______________with friends online.Our parents were worried about him staying home too much.They also wanted us____________more time together as a family.So,now they let us____________our favourite activities on Saturday,but on Sundays,we go on a family outing together!
4c.Complete the passage with the infinitive forms of the verbs in the box.What do you usually do outdoors
to play
not to come
to stay
to watch
to listen
to chat
to spend
do
Would you like to share your free-time activities Try to use”to do”in your writing..
Show time
Your story should be like this:
An atrractive title
Two or three reasons to express why you this activity.
Explain two or three benefits using Infinitive verbs (to do).
Two or three pieces of advice
Give two or three tips for beginners and you can use Infinitive verb(to do)
A short Personal story.
Share with us how you started.
Show time
Work in groups.Then you can use "Checklist”to choose which group perform best.
Just click it.Then you can know how to use it.
Show time
1.How did you get into painting
【用法】get into开始做某事,进入
【典例】
(1)He got into reading science fiction last summer.
去年夏天,他开始迷上科幻小说.
(2)She got into the taxi just as the rain started pouring.
雨开始倾盆而下时,她钻进了出租车.
【同步拓展】get相关短语
get up 起床 get away 离开,逃离
get out 出去,泄露 get back 返回,回去
get off 下车,出发 get down 写下,记下
get on 上车,进展 get along with 与.....相处
Let′s practice.
一.用合适的介词填空。
(1)When the bell rang,sudens got
___________the classroom quickly.
(2)When we arrived at he foot of MountTai,all of us couldn't wait to get___________the bus.
(3)There are fory-five students in our class.We
get____________well wih each other.
into
off
along
2.I saw my mother paint.
【用法】see sb. do sth. 看见某人做某事
【同步辨析】:see sb. do sth.和see sb. doing sth.
see sb.do sth. 看见某人做某事 强调看到全过程
see sb.doing sth. 看见某人正在做某事 强调看到的动作正在发生
Let′s practice.
【典例】
(1)I saw the girl sing in the room.我看见那个女孩在房间里唱歌。
(2)I saw the girl singing in the room.我看见那个女孩正在房间里唱歌。
一.用所给词的适当形式填空.
1.I saw him__________(cross)the street safely.
2.When I passed the park,I saw them________(fly)kites.
cross
flying
3.My parents told me not to push myself too hard.
【用法】push sb. to do sth.督促某人做某事
【典例】
(1)Many parents push their children too hard.
许多父母把他们的孩子逼得太紧。
(2)Don't push yourself too hard!You need to relax.
不要把自己逼得 太紧了！你需要放松一下。
Let′s practice.
一.用所给词的适当形式填空或根据句意填空。
1.My teacher is very strict with me,pushing me___________(do)my best every day.
2.人无完人, 所以不要逼自己太紧。
No one is perfect,so don't__________________too hard.
to do
push yourself
4.It's important not to forget to relax once in a while.
【用法】It+be动词+adj.+to do sth.意为”’做某事是......的”,It 为形式主语,真正的主语是后面的动词不定式。在该结构中,有时在to do sth.前加上for/of sb.sb.是动词不定式的逻辑主语; 其用法如下:
It+be动词 +adj.+for sb.+to do sth. 此句型中的形容词为描述事物特征的词,如 difficult,important,easy,hard,necessary等。
It+be动词+adj.+of sb.+to do sth. 此句型中的形容词为描述人物品质或性格特征的词, 如clever,foolish,good,kind,nice等.
Let′s practice.
一.用所给词的适当形式填空或根据句意填空。
1.It is always important_________(have)your own hobbies and interests.
2.学习一门外语是必要的。
__________necessary__________ _________a foreign language.
to have
It's
to
learn
5.It's important not to forget to relax once in a while.
【用法】forget to do sth. 忘记去做某事
【同步辨析】
forget to do sth. 忘记去做某事(未做)
forget doing sth. 忘记做过某事(已做)
【典例】
(1)I forgot to turn off the lights last night.
我昨天晚上忘记去关灯了。
(2)I forgot turning off the lights last night.
我忘记昨天晚上关过灯了。
Let′s practice.
一.用所给词的适当形式填空。
1. My sister forgot___________(do)her homework,so she said sorry to Miss Wang.
2.I forgot___________(turn)off the lights.Look,it is dark in the room.
to do
turning
一.用括号内所给单词的适当形式填空。
1.-You play basketball so well.Who taught you -Nobody.I learn it by____________(I).
2.He just stayed at home most of the time___________(relax)and read books.
3.My mother told me_____________(not play)computer games too much.
4.Why did the man make the little boy_________(wash)so many dishes
5. The government is developing new plants____________(protect)ancident buildings.
6.Our teachers asked us___________(do)sports in our free time because doing sports is good for us.
7. In Beijing,many people go to the Tian'anmen square to watch the national flag___________(rise).
8.It is important for you_________________(take)exercise every day.
myself
to relax
not to play
wash
to protect
to do
rise
to take
二. 根据汉语意思完成句子,每空一词。
1.我父母告诉我不要把自己逼得太紧。
My parents told me not to_____________myself too_____________.
2.你是怎么迷上滑雪的
How did you ________ ________skiing
3.重要的是不要忘记偶尔放松一下。
It's important not to forget to relax_______ ______ _ ________ ________.
4.上周日他们全家去远足。
They_________ _______a family______________together last Sunday.
push
hard
get
into
once
in
a
while
went
on
hike
New words
Expressions
Grammar
kung fu
push
myself
get into
once in a while
go on an outing
push sb. too hard
give it a go
动词不定式作主语
动词不定式作表语
动词不定式作定语
动词不定式作宾语
动词不定式作目的状语
chat
outing
动词不定式作宾语补足语
1. Review the knowledge we have learned today.
2. Remember the vocabulary and the expressions .

展开更多......

收起↑