英语Unit 4 Save the trees.课堂教学课件ppt

这是一份英语Unit 4 Save the trees.课堂教学课件ppt，共25页。PPT课件主要包含了课堂导入，课堂活动，课堂小结，课堂练习等内容，欢迎下载使用。
Tm, what are yu ding nw?
What are they ding nw?
I am reading a bk.
They are playing basketball.
Lk and say. Using the structure “be +Ving”
What is the by ding nw?
What are the children ding nw?
He is studying hard.
They are having classes.
What is the girl ding nw?
What are the by ding nw?
She is playing the pian.
They are playing ftball.
What is the girls ding nw?
They are practising singing.
She is watching TV.
We use the present cntinuus tense t shw that smething is happening nw.
The present cntinuus tense
We als use the present cntinuus tense t talk abut temprary situatins.
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:
We frm the present cntinuus tense with the verb t be + (the base frm/the –ing frm) f the main verb.
Wrk ut the rule
We frm the- questins frm f the main verb like this:
1. 现在进行时的定义( The present cntinuus tense)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 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。如: We are wrking n a farm these days. I am writing a bk this mnth.
3. 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 bk in the library.2. 否定句：直接在am/is/are后加nt 如：I 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。
2、现在进行时的谓语结构
be + 现在分词(V-ing)
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.(变一般疑问句，再作肯定回答和否定回答）---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 提示语: lk, listen
Katie is n hliday with her friends. She is telling Alex what everyne is ding. Lk at the picture belw and cmplete the cnversatin.
Katie: Hi, Alex. We __________ (have) fun at the beach.Alex: What __ everyne ______ (d)?Katie: Ted _________ (play) vlleyball with Carl. Jenny and Henry __________ (play) badmintn. Grace _________ (fish). Ivan __ _________ (swim) in the sea. Laura and Jhnny ________ (lie) n the beach. Laura ________ (eat) an ice cream t. Jim _________ (play) the guitar. And I _________ (talk) t yu n the phne, Alex.
are having is dingis playingare playing swimming is eatingam talking
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.
Lk at the pictures belw and cmplete the cnversatins with the verbs inn brackets.
Mum: The phne _________ (ring), Sam.Sam: I _____ (knw), but I’m very busy. Culd yu answer it, please?
is ringing knw
Mary: I ___________ (think) abut what t wear t Jane’s birthday party tnight. Can yu help me?Ann: Sure. I _____ (prefer) the lng dress.
am thinking prefer
Fred: That ______ (smell) very nice. What ___ yu ______ (eat), Tm?Tm: I _________ (eat) sme cake. ___ yu _____ (want) sme?
smells are eating am eating D want
1.We have learned hw t use the present cntinuus tense.
一、根据句意，用括号中所给单词的适当形式填空。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?
are singing
are ding
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 nt watering
are dancing
is listening
二、选择填空。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 ,fr C. 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