人教新目标(Go for it)版七年级下册Unit 6 I'm watching TV.语法 现在进行时公开课(共24张PPT)

(共24张PPT)
The Present Progressive Tense
现在进行时
教学目标
1.理解现在进行时态的定义；
2.掌握现在进行时标志词；
3.掌握现在进行时基本结构：be+v-ing
4.掌握动词的现在分词构成；
5.掌握现在进行时的句式；
6.现在进行时与一般过去时的区别
Lead in
What are they doing
Step 1 lead in
Step 1 lead in
爱好
watching TV
cleaning
reading a newspaper
listening to a CD
using the computer
making soup
washing the dishes
swimming
What is/are....doing
现在进行时的定义
1.现在进行时表示现在（说话瞬间）正在进
行或发生的动作；
2.现在进行时也可表示当前一段时间内的活
动或现阶段正在进行的动作。
自主学习
任务一：观察例句，找出现在进行时的结构：
任务二：观察例句，找出现在进行时的标志词：
1.They are watching TV now.
2.Look! The boys are playing football.
3.Listen! Someone is singing in the room.
4.It’s six o’clock. The children are playing basketball.
5.Uncle Li is building a room for his dog these days.
6.Be quiet! The teachers are talking in the office.
现在进行时的结构：
be (am / is / are )+ V- ing（现在分词）
现在进行时的标志词：
now, at present , at the moment ,
these days或 It’s+几点钟。Listen! Look! Be quiet!
I
am
He / She
We / You / They
is
are
writing.
speaking.
running.
wash washing
watch
sing
clean
play
use using
make
give
have
leave
shop shopping
swim
get
run
forget
watching
singing
cleaning
playing
making
giving
having
leaving
swimming
getting
running
forgetting
1.一般在动词原形后加 ing
2.以不发音字母e 结尾的动词,去e 加ing
3.以“1辅+1元+1辅”结尾的动词,且是重读闭音节的单词,双写辅音字母+ing.
观察下列现在分词的变化，小结归纳现在分词（v-ing）的构成。
现在分词的变化规则
口诀 规则
直 1. 一般情况下，直接在动词后加-ing。
去 2. 不发音的-e结尾的动词，去-e加-ing。
双 3. 以重读闭音节结尾，末尾只有一个辅音 字母的动词，双写词尾辅音字母，再加 -ing。
变 4. 以-ie结尾的动词，把ie变成y再加-ing。
气球爆破
规则：选择一个气球并击破它，快速的说出气球下动词的现在分词。
run
1
walk
2
lie
3
tie
4
take
5
go
6
play
7
sit
8
swim
2
合作探究
观察例句，说说现在进行时的各个句式。
1. Tom is listening to the teacher.
2. Tom is not listening to the teacher.
3. -Is Tom listening to the teacher
-Yes, he is .
-No, he isn’t.
2.否定句：
现在进行时的句式
1.肯定句:
主语+ be+ V-ing...
（直接在be后加not）
主语+be+ not+ V-ing...
3.一般疑问句：
Be+主语+V-ing…
（把be单词提到句首）
肯定回答： Yes, 主语+be
否定回答： No，主语+be not
现在进行时 一般现在时
定义 现在进行时表示现在正在进行或发生的动作。 一般现在时表示现在的状态，经常性或习惯性的动作。
构成 be(am/is/are)+doing(动词-ing形式） 主语+V
时间状语 now, at present , at the moment , these days或 It’s+几点钟。Look！Listen! Be quiet! 频度副词(always, usually, often,never, sometimes), on Monday, every day, in the morning/afternoon, on weekends...
现在进行时 V.S. 一般现在时
I am cleaning the house now.
I clean the house on weekends.
Look, he is drinking tea.
He often drinks tea.
Listen, she is singing.
She usually sings in the evening.
It’s 7:00 pm, They are watching TV.
They watch TV every night.
展示提升:
用现在进行时描述图中人物正在做什么？
如：Daming and Sally are riding bikes.
注意
用来表示状态或感觉的动词，不能用现在进行时。此类动词有be(is/am/are)(是)，have、has (有)，like (喜欢)，感官动词（look, sound,listen,smell...）
-Kitty, I’m busy cooking. Can you give me a hand
-Mum, just wait a moment. I ______ my bed now.【2018百色中考
题】
A. make B. am making C. making
中考链接
Look! They ______ basketball on the playground.
【2018桂林中考题】
A. playing B. plays C. are playing
1. Han Mei _________ her homework at home now.
A. do B. does C. is doing
2. -________ English every morning
-Yes, but now I ________ Chinese.
A. Are you reading; read B. Do you read; read
C. Do you read; am reading
3. Linda often _______ her homework in the evening but this
evening she_________ TV.
A. does; is watching B. is doing; watches
C. is doing, is watching
4. -________ are they doing -They’re _________.
A. What, run B. What, running C. Who, running
1.Look! The boys ____________ (play) basketball on the
playground.
2.My father _______ (read) books every day.
3.In the morning, Mr. Smith _____ (get) up at seven o’clock.
4.Listen! Linda __________(sing) in the next room.
5.His brother usually ______ (do) homework at school.
are playing
reads
is singing
gets
does
用所给动词的正确形式填空
Homework
写一篇作文，描述你的家人晚上8点钟正在做什么？
Thanks and goodbye!