初中英语沪教牛津版（2024）七年级下册Module2 Man’s best friendsUnit 4 Save the trees.优秀课件ppt

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Understand the structure and usage f the present cntinuus tense.
Master the change rules f the present participle f verbs.
Be able t use the present cntinuus tense t describe what is ging n r happening.
Learning bjects
Tday is Trees-planting Day. Lk! What are the students ding nw? Cmplete the fur sentences belw.
are digging
are putting
are watering
are cheering
are digging are putting is putting is taking are watering are cheering
They are the present cntinuus tense.
Presentatin
The present cntinuus tense
We use the present cntinuus tense t shw that smething is happening nw.
The children are playing in the park.
We als use the present cntinuus tense t talk abut temprary situatins.
We are staying at Peter’s huse at the mment.
We frm the present cntinuus tense like this:
We frm Yes/N questins and shrt answers in the present cntinuus tense like this:
We frm Wh-questins in the present cntinuus tense like this:
What are yu ding nw?
Why is he sleeping here?
We frm the –ing frm f the main verb like this:
A. Katie is n hliday with her friends. She is telling Alex what everyne is ding. Lk at the picture belw and cmplete the cnversatin with the verbs in brackets.
Katie: Hi, Alex.We (1) are having (have) fun at the beach.Alex: What (2) ________ everyne ________(d)?Katie: Ted (3) __________ (play) vlleyball with Carl. Jenny and Henry (4)____________(play) badmintn. Grace (5) _________ (fish). Ivan (6) ______________ (swim) in the sea. Laura and Jhnny (7)__________(lie) n the beach. Laura (8) ________ (eat) an ice cream t. Jim (9) __________(play) the guitar. And I (10) ___________ (talk) t yu n the phne, Alex.
is ding
are playing
is swimming
We d nt usually use the verbs in the bx belw in the present cntinuus tense. Instead, we use them in the simple present tense.
believe hear like prefer smell understand hate knw lve see taste want ✔ I knw the answer nw. ✘ I am knwing the answer nw.✔ She likes this pem. ✘ She is liking this pem.
下面的动词一般没有现在进行时态，我们用一般现在时作为替代。
Mum: The phne __________(ring), Sam.Sam: I________(knw), but I’m very busy. Culd yu answer it, please?
B. Lk at the pictures belw and cmplete the cnversatins with the verbs in brackets.
Mary: I ___________ (think) abut what t wear t Jane’s birthday party tnight. Can yu help me?Ann: Sure. I ________ (prefer) the lng dress better.
am thinking
Fred: That ________ (smell) very nice. What ____ yu _______(eat), Tm? Tm: I _________(eat) sme cake. _____yu_______(want) sme?
1. 现在进行时的定义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。 The students are listening t the teacher. He is watching TV nw. 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。 We are wrking n a farm these days. I am writing a bk this mnth.
2. 现在进行时的谓语结构
be + 现在分词(V-ing)
3. 现在进行时的句式①肯定句: 主语+am/is/are+V-ing +其它.I am reading a bk in the library.②否定句：直接在am/is/are后加ntI am writing.I am nt 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。
肯定回答:Yes, 主语 + be (be是要变化的，即am/is/are). 否定回答: N, 主语+ be + nt.Yu are drawing a pig.--- Are yu drawing a pig?--- Yes, I am. / N, I’m nt.特殊疑问句：对be + V-ing 提问要用what.格式为：What + am / is / are +主语+ding?
4. 与现在进行时连用的时间状语： at present 目前;现在 at the mment 此刻,现在 right nw 此刻,现在;立刻,马上 nw 现在注意提示词：lk & listen
1. It is ______ (snw). Let’s make snwmen.2. They want t buy many ___________ (interest) bks.3. The Greens cme frm Germany. They are ________ (friend) .4. The sng sunds ____________(beauty)5. It is exciting ________ (see) a film with my friends.6. It is __________ (imprtance) fr us t save water.7. It is dangerus ________ (drive) a car at night withut any lights.8. It is kind f yu ________(help) me with English.
一、用括号内单词的适当形式填空。
interesting
1. The by _________(draw) a picture nw.2. Listen! Sme bys __________ (sing) in the classrm.3. My mther ________ (make) a cake at the mment.4. What ________ yu ________ (d) nw?5. Lk! They __________ (have) an English lessn.6. They _______________ (nt, water) the flwers nw.7. Lk! The girls ___________ (dance) in the classrm.8. — What is ur grandma ding? — She __________ (listen) t music.
are singing
are ding
are nt watering
are dancing
is listening
1. --- What are yu ding? --- I_________A. eat B. can eat C. eating D. am eating2. We want _________this bk nw. A. reading B. am reading C. read D. t read3. Our teacher is ________a red sweater . A. putting n B. put n C. wearing D. wear4. That by isn’t ____ the teacher . A. listen B. listens C. listening D. listening t
5. It’s eight ’clck. Jim’s family _____ TV.A. is watching B. are watching C. watch D. t watch6. My mther is ______ a cake ______ my birthday. A. making ,t B. making ,frC. ding ,t D. ding ,fr7. Let me ______ these bks in the bx.A. puts B. put C. t put D. putting 8. _____ yu ______the windw? —Yes, I am.A. D, clean B. Is, cleaning C. Are, cleaning D. D, cleaning
Hmewrk
Finish Grammar exercise paper.
There are green, where there is life.那里有绿色，哪里就有生命。