Unit 4 Save the trees.语法：现在进行时课件(共22张PPT) 2022-2023学年牛津深圳版（广州沈阳通用）七年级英语下册

(共22张PPT)
2023年牛津深圳版初一英语下册unit4语法：
现在进行时
课前一练
在横线上写出下列动词的现在分词形式
carry _________ eat _________ burn _________
send _________ rain ________ become _______
argue ________ escape ________ live _________
lie _______ die _________ begin_________
put _________ sit _________
carrying
eating
burning
sending
raining
becoming
arguing
escaping
living
lying
dying
beginning
putting
sitting
本次课学习内容（Contents):
现在进行时
随堂练习
限时训练
知识点一：现在进行时的用法
1. 表示说话时正在进行或发生的动作
It's raining outside. 外面正在下雨。
2. 表示现阶段一直在进行或不断重复的动作，但说话时该动作并不一定在进行
He's watching an interesting TV play these days.
近来，他在看一部很有趣的电视剧
3. 表示最近的确定安排，即根据计划或安排在近期内将要发生的动作
I’m meeting you at the airport this evening.
今晚，我会到机场接你。
What are you having for dinner
晚饭吃什么？
4. 表示从一个地方到另一个地方位置移动的动词（如 go, come, drive, fly, travel, arrive, leave, start, visit，run, return 等），以及动词 do 等的现在进行时形式，可以用来表示没有确定安排的决定或计划
He’s leaving for Beijing tomorrow. 他明天动身去北京。
5. 现在进行时和 always，usually，all the time 等连用时，表示一种经常、反复的动作，且说话人往往带有某 种感彩（如赞扬、欣赏、厌烦、批评、惊讶、不理解等
She's always helping others. 她总是乐于助人（表示赞赏）
You are always talking in class. 你上课老是说话（表示批评）
知识点二：现在进行时的结构:主要体现在 be 的变化上，be 本身无词义，但有人称和数的变化
1. 肯定句：am/ is/ are+ doing
E.g.They _______ ________ an English class.
他们在上英语课。
2. 否定式：am/ is/ are + not + doing
E.g.They ________ _______ an English class.
他们不在上英语课
are having
aren't having
3. 一般疑问句：将 be 动词提前到句首，结构: Be 动词+主语+ doing+其它？
E.g._______ ________ _______ an English class？
他们在上英语课吗？
4. 特殊疑问句：特殊疑问词+一般疑问句？
E.g.What ________ they_______ ？ 他们正在干什么？
Are they having
are doing
随堂训练
1. My mother is cooking the meal.（改成否定句） ____________________________________________
2.They are cleaning the window.（改成一般疑问句） ____________________________________________
3.The birds are singing in the tree.(对划线部分提问) ____________________________________________
My mother is not/ isn't cooking the meal.
Are they cleaning the window
What are the birds doing in the tree
4. The boy is playing basketball on the playground.
一般疑问句：_____________________________________
肯定回答：_____________________________________
否定回答：_____________________________________
Is the boy playing basketball on the playground
Yes, he is.
No, he isn't.
知识点三：现在分词的变化规则
①一般情况，直接加-ing
E.g. ask→asking see→seeing go→going play→playing
②以不发音的 e 结尾， 去掉 e,加-ing
E.g. dance→dancing take→taking come→coming arrive→arriving
③以重读闭音节结尾，末位只有一个辅音字母，双写末位字母，加-ing
E.g. swim→swimming
run→running
forget→forgetting
⑤少数几个以-ie 结尾的动词，变-ie 为 y 再加-ing
E.g. die→dying
lie→lying
tie→tying
begin sit die forget
make write study cut
enjoy stop look see
go grow come be
save get swim play
beginning
sitting
dying
forgetting
making
writing
studying
cutting
enjoying
stopping
looking
seeing
going
growing
coming
being
saving
getting
swimming
playing
写出下列单词的现在分词
知识点四：标志词
1. 在汉语中，通常有“在，正在”等提示词。如：
E.g. I am doing my homework.我在做作业。
2. 在英语中，最常见的提示词有 now，look，listen, at the moment（此时此刻）等。
E.g. Look, they are playing football. 瞧！他们在踢足球。
一、牛刀小试之单项选择：
1. Look! He _____their mother do the housework.
A. is helping B. are help C. is help D. is helpping
A
Step1:审题
Step2:知识点——现在进行时
Step3:题目类型——选择题
Step4:解题思路——划关键词-判时态--代结构--注意人称
Step5:总结升华——记住现在进行时的结构及关键词
2. _____are the boys doing They are singing in the room.
A. Who B. How C. What D. Where
3. Don't talk here. My mother _____.
A. is sleeping B. are sleeping C. sleeping D. sleep
4. Danny ______. Don't call him.
A. is writeing B. is writing C. writing D. writes
5. Listen! She____in the classroom.
A.is singing B.sing C.to sing D.is sing
B
A
C
A
二、能力提升之用适当的动词形式填空：
1. It's ten o'clock. My mother____________ (lie) in bed.
2. What ______he _______(mend)
3. We __________ (play) games now.
4. What ________you_______ (do) these days
5. _______he __________ (clean) the classroom
6. Listen! Who __________ (sing) in the next room
is lying
is mending
are playing
are doing
Is cleaning
is singing
限时训练
一.牛刀小试之单项选择：
1. Look! Peter ________ TV happily, but his parents are busy in the kitchen.
A. is watching B. watches C. watched D. will watch
2. He _______ a meeting tomorrow.
A. is having B. had C. has D. will have
3. Where is Sally Her mother _______ for her everywhere.
A. looks B. looked C. is looking D. was looking
A
D
C
4. ——Dad _____ for Paris tomorrow.——Really Let's go and ask him to bring back some presents for us.
A. are leaving B. is leaving C. left D. leaves
5. ——Can your brother make a model airplane
——Yes, these weeks he ________ a new school now.
A. builds B. is built C. will built D. is building
6. ——Sam, come downstairs, please. I need your help.
——I don't think I can, mum. I_____ on the phone.
A. talk B. talked C. talking D. am talking
B
D
D
7. Look! The boy students are ___ football while the girls are________.
A. playing, dance B. playing, dancing
C. play, dancing D. play, dance
8. The baby ____ in the next room yesterday evening.
A. crying B. cried C. is crying D. cries
9. The students ___ an English class at eight o’clock every Friday.
A.have B.having C.is having D.are having
10.The children_____football on the playground at this moment.
A.is playing B.are playing C. play D. to play
B
A
B
B
Thank you!