资源简介

(共26张PPT)
Unit 3
Section 2 Grammar
2024年牛津版
英语（七年级下）
Trees and us
课堂教学目的
1
2
新课导入
3
Content
课堂活动
5
课堂训练
6
课堂小结
4
课堂重难点
课堂教学目的
1
2
课堂重难点
并通过学习语法板块语篇，引导学生掌握现在进行时的语法知识点，并学会现在进行时谈论一些活动。
文化意识
课堂重难点
思维品质
课堂教学目的
理解和归纳现在进行时相关语法知识和正确用法，能够用现在进行时描述正在进行或发生的事情。了解某些表示感官直觉、状态或心理感觉的动词不能使用现在进行时态。
认识到树木的重要性，学会保护树木资源，培养保护树木的责任意识
探索和总结本单元目标语言，内化所学的内容更好理解目标语言。
Tom, what are you doing now
What are they doing now
I am reading a book.
They are playing basketball.
Look and say. Using the structure “be +Ving”
新课导入
3
What is the boy doing now
What are the children doing now
He is studying hard.
They are having classes.
Look and say. Using the structure “be +Ving”
What is the girl doing now
What are the boy doing now
She is playing the piano.
They are playing football.
Look and say. Using the structure “be +Ving”
What is the girls doing now
What is the girl doing now
They are practising singing.
She is watching TV.
Look and say. Using the structure “be +Ving”
课堂活动
4
We use the present continuous to show that something is happening now.
Li Na is talking to Wang Jie on the phone. Read the dialogue and pay attention to the words in bold.
Li Na: Hi Wang Jie. What are you doing now Are you at home
Wang Jie: No, my parents are away, so I’m staying with my
grandmother this week. I’m watching a TV programme
about trees.
Li Na: Really Su Su and I are working on our group project.
It's about trees. Could you help us
Wang Jie: Sure, no problem! We can meet up tomorrow after school.
通常不在现在进行 时中使用某些动词。这些动词在一般现在时中使用， 如 believe, hear, like 等。
一、定义
现在进行时表示正在进行的动作或存在的状态。现在进行时表示动作发生的时间是“现在” 动作目前的状态是“正在进行中”。
二、现在进行时的用法
①现在进行时态表示现在(说话瞬间)正在进行 或发生的动作。如：
The students are listening to the teacher.
②现在进行时态还可以表示当前一段时间内的 活动或现阶段正在发生的事情。如:
We are working on a farm these days.
现在进行时的定义( The present continuous tense)
四、现在进行时的句式
肯定句: 主语+am/is/are+V-ing +其它.
如: I am reading a book in the library.
2. 否定句：直接在am/is/are后加not
如：I am writing. I am not writing.
3. 一般疑问句及回答: 问句,直接把am/is/are提句首, 若原句有第一人称，把第一人称变成第二人称。
三、句子结构
主语+is /am/are+doing(现在分词)
肯定回答:
Yes, 主语 + be (be是要变化的，即am/is/are).
否定回答:
No, 主语+ be + not.
You are drawing a pig.(变一般疑问句，再作肯定回答和否定回答）
---Are you drawing a pig
---Yes, I am. / No, I’m not.
特殊疑问句：
对be + V-ing 提问要用what.
格式为：What + am / is / are +主语+doing
五、与现在进行时连用的时间状语：
at present 目前;现在
at the moment 此刻,现在
right now 此刻,现在;立刻,马上
now 现在
提示语: look, listen
情况 变形 示例
一般情况 加-ing work-working, listen-listening, study--studying
以不发音字母e结尾 去e,再加-ing write-writing ,make-making ,hope--hoping
重读闭音节结尾的动词 双写词尾辅音字母加-ing run-running ； put-putting; begin--beginning
swim-swimming ;cut-cutting; travel-travelling
以ie结尾 变ie为y再加-ing lie-lying ； tie-tying ； die-dying
六、动词现在分词规则变化
七、【拓展】不用进行时态的动词：
1、存在状态类动词 be, stay, remain等
2、表示“拥有，属于” have, own, belong to, possess, consist of等
2、心理状态和情感类动词 like, dislike, love; hate等
3、认知类动词 think, believe, want, mind, know, understand, wish, agree
3、系动词类 seem, taste, turn, remain, appear, look, sound, feel等
4、瞬间动词类 accept, refuse, receive; decide; promise等
Chen Li is making a video about how trees protect themselves from enemies. Help her complete the video script with the correct form of the verbs in brackets.
It's not easy to be a tree. Right now, insects
(1)_____________(eat) my bark. Ouch! I (2)_________(feel) pain!
But trees like me have clever ways of fighting back.
We pine trees can produce a glue-like liquid, and use it to catch our
enemies. Look at this small insect. It(3) ___________ (move) really
carefully on that pine’s trunk. But, bad luck! The sticky liquid catches
it. Now it (4) _______ sadly __________ (wait) to become a lucky
bird’s big meal.
are eating
feel
is moving
is waiting
We trees don't have eyes, but we can still sense things.
Some of us can even recognize different kinds of bugs!
Look at this one, for example: it ⑸____________(eat)
a leaf. Don't worry. The tree ⑹______quietly_________
(give) off a smell. It uses the smell to call for help. See Now a
ladybug, has arrived. It quickly catches the little bug. Now the
ladybug(7)__________(enjoy) its free lunch.
is eating
is giving
is enjoying
2 Look at the pictures and describe what people are doing.
Look at the pictures below and complete the conversations with the verbs in brackets.
Mum: The phone _________ (ring), Sam.
Sam: I _____ (know), but I’m very busy. Could you answer it, please
is ringing
know
Mary: I ___________ (think) about what to wear to Jane’s birthday party tonight. Can you help me
Ann: Sure. I _____ (prefer) the long dress.
am thinking
prefer
Fred: That ______ (smell) very nice. What ___ you ______ (eat), Tom
Tom: I _________ (eat) some cake.
___ you _____ (want) some
smells
are eating
am eating
Do want
课堂小结
5
1.We have learned how to use the present continuous tense.
一、根据句意，用括号中所给单词的适当形式填空。
课堂训练
6
1.Don't shout. Grandpa (sleep)now.
2.Listen!The birds (sing)in the tree.
3.He (come)here yesterday.
4.It's ten o'clock. The students (have)classes.
5.She often (help)others.
6.He (not go)to work because he was ill.
7.Look!The policeman (run)after a thief in the street.
8.We (plant)trees every year. We (plant)trees now.
is sleeping
are singing
came
are having
helps
didn’t go
is running
plant are planting
9.---Mum, where (be)Dad
---He (water)the flowers in the garden.
10. the car (belong)to Bob ---I (not think)so.
11.The stone (feel)cold. But they (sit)on it and talking now.
12.The Smiths (fly)to Beijing tonight.
13.The train (leave)in a few minute. Please be quick.
14. Tim________(play)football on the playground now. He_____ (like)it best.
15 Listen, they (talk)in the next room.
My parents (visit)Hong Kong this week.
is
is watering
Does belong don’t think
feels are sitting
will fly
will leave
is playing likes
are talking
will visit
二、单项选择
( ) 1. — Where is Mike
— Over there. He ________ football with his friends.
A. play B. playing C. is playing D. plays
( ) 2. Lucy practises singing every afternoon. I think she _____ at the moment.
A. sings B. singing C. was sing D. is singing
( ) 3. — May I borrow your CD player — Sorry, I ________ it myself.
A. am using B. used C. have used D. use
( ) 4. — Why is there so much noise in the sitting room
— Because the children ________ a football game on TV.
A. watch B is watching C. are watch D. are watching
( ) 5. I’ve won a two-day holiday to Florida. I _______ my mum with me．
A. am taking B. have taken C. take D. will have taken
C
D
A
D
A
三、翻译句子
1. 瞧， 他们正在仔细给树浇水。
Look! They are watering the trees carefully.
2.松树可以产生一种类似胶水的液体，并用它来抓我们的敌人。
Pine trees can produce a glue-like liquid, and use it to catch our enemies.
3.我和我的朋友们正在河边的一棵树下坐着。
I’m sitting under a tree near the river with my friends.
4.现在，它正悲伤地等待着成为幸运鸟的大餐。
Now it is sadly waiting to become a lucky bird’s big meal.
5.这棵树正悄悄地散发出一股气味。它用气味来呼救。
The tree is quietly giving off a smell. It uses the smell to call for help.

展开更多......

收起↑