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1、Unit 4Module 2 Mans best friendsSave the treesPeriod 4Period 4GrammarGrammarLets enjoy a songSailing航行航行Sailing I _, I _ home again cross the sea. I _ stormy waters, to be near you, to be free.am sailingam sailingam sailingSailing I _, I _ like a bird cross the sky. I _ passing high clouds, to be ne
2、ar you, to be free.am flyingam flyingam flyingSailing We _, We _ home again cross the sea. We _ stormy waters, to be near you, to be free.are sailingare sailingare sailing I am sailing,I am sailing home again cross the sea.I am sailing stormy waters,to be near you, to be free.I am flying,I am flying
3、 like a bird cross the sky.I am flying passing high clouds,to be near you, to be free.We are sailing,we are sailing home again cross the sea.we are sailing stormy waters,to be near you, to be free.Unit 4 GrammarPresent Continuous Tense（现在进行时）（现在进行时）He is playing the guitar .They are walking across t
4、he street .nowat the moment He is brushing his teeth.Look!Listen! Micky is laughing.The children are planting trees .these daysHe is playing the guitar now.They are walking across the street at the moment.Look! He is brushing his teeth.Listen! Micky is laughing.The children are planting trees these
5、days.发现语言（1）1、现在进行时的结构是、现在进行时的结构是_。2、表示：、表示： 说话时正在进行的动作，常见的关键词有说话时正在进行的动作，常见的关键词有 _等。等。 目前阶段正在进行的动作（但说话时不一目前阶段正在进行的动作（但说话时不一 定在进行），常见的关键词有定在进行），常见的关键词有_等。等。be(am/is/are)+V-ingnow, at the moment, look, listenthese daysWhat/do - What are they doing? - Are they eating? - No, they arent. - They arent ea
6、ting. - Are they playing chess? - Yes, they are. - They are playing chess.1.肯定句肯定句: 主主+_+_+其他其他.2.否定句否定句: 主主+_+_+_+其他其他.3.一般疑问句一般疑问句： _+主主+_+其他其他? 肯定回答肯定回答:Yes, 主主+_. 否定回答否定回答:No, 主主+_.4.特殊疑问句特殊疑问句： 疑问词疑问词+_+主主+_+其他其他?amisareV-ingamisareamisareamisareAmIsAream notisntarentV-ingV-ingnotV-ing发现语言（2）Pe
7、rformers act out the actions in the front，(表演者在前面做动作表演者在前面做动作)the other students ask and answer in pairs. (其他同学进行两人对话其他同学进行两人对话 S1: What is/aredoing? S2: He/She is 或或They are)运用语言运用语言（1）Show timeHe is cry .He is drive a car.ingHe is swim .ming It is lie ying.构成规则构成规则例词例词一般在动词词尾一般在动词词尾+_以不发音的以不发音的e结尾
8、的动词，去掉结尾的动词，去掉_再加再加-ing.以一元一辅结尾的重读闭音节动词，以一元一辅结尾的重读闭音节动词，先先_这个辅音字母再加这个辅音字母再加-ing.以以ie结尾的动词，先将结尾的动词，先将ie变成变成_，再加再加-ing.发现语言（3）现在分词（现在分词（V-ing）的构成规则）的构成规则ingy双写双写eplay-stop-tie-dance-playingdancingtyingstoppingingChange the verbs into ing form.Exercise1.think _3.tell _5.sit _e _9.close _2.die _4.sing _
9、6.shop _8.change _10.make _thinkingtellingsittingcomingclosingdyingsingingshoppingchangingmaking运用语言运用语言（2）English BookExerciseP50 Aisdoingis playingare playingis fishingis swimmingare lyingis eatingis playingam talking主语主语句式句式Correct the mistakes in the sentences.1.Look! Two boys playing table tenn
10、is.2. I am study hard now.3. The children is runing on the playground. 4. I am wanting to be a teacher.wantstudyingareare runningEnglish BookMore examplesP51Special rulesSpecial rulesWe cannot use some verbs in the present continuous tense.发现语言（4）某些表示某些表示感官知觉感官知觉、爱好爱好或或心理活动心理活动的的动词，通常情况下不用于现在进行时，动词，
11、通常情况下不用于现在进行时，而用于而用于一般现在时一般现在时。knowlikesam knowingis liking?I know the answer now.She likes this poem.I am knowing the answer now.She is liking this poem.Why？English BookExerciseP51 Bis ringingknowam thinkingpreferGrammar exerciseGrammar exercise运用语言运用语言（3）现在进行时现在进行时 or 一般现在时一般现在时 ?smellsareeatingam
12、 eatingDowantTopic talk运用语言运用语言（4）Save the trees1.Some people are destroying the trees. What are they doing?2. Other people are changing it. What are they doing? stopfor exampleburn(烧毁烧毁)waste(浪费浪费)chopsticks(筷子筷子)Luckily(幸运地幸运地)asktoprotect根据问题和图片的提示，根据问题和图片的提示， 口头说话。口头说话。Self-assessment(自我评价)1、这节课
13、我学了、这节课我学了_, 表示表示_的动作，结构是的动作，结构是_.2、但有些动词通常不用于、但有些动词通常不用于_时，时，而常常用于而常常用于_时，如时，如_.3、我能用该时态描述图片以及谈论本单元、我能用该时态描述图片以及谈论本单元的话题。的话题。（我给自己打（我给自己打 ）HomeworkWrite a short passage about the topic talk. Trees are important in our daily lives. But now, some people are destroying trees. For example, _ Luckily, many other people are doing things to change it. _ I hope_The best group today is
