英语 七上 外研 Unit 5 第2课时 Understanding ideas 教学课件

Understanding ideas (语法)第 2 课 时He starts work in the plant.(b) They take a rest.(a) He’s going to start work in the plant.(b) They will take a rest.Look and answerWhat’s the difference between the two groups of sentences?Simple present tenseSimple future tenseRead the sentences from the reading passage and summarise the grammar rules.5Grammarbe going to / will + 动词原形Simple future tenseNow find more sentences with these structures in the reading passage.The water will rise up to the Leaf through the Stem.Then workers in the Leaf will mix water, CO2 and sunlight.What are they going to produce?Most importantly(for them), there will be sugar!Another product will be oxygen, but the plant doesn't need much of it.Soon it's going to get dark.一般将来时一般将来时表示将来某个时间发生的动作或存在的状态,其谓语结构有两种形式:“be going to+动词原形”和“will+动词原形”。1.be going to+动词原形(1)用法①表示打算做某事、计划做某事或者有意做的事,往往是将要发生的动作。We are going to have an exam tomorrow. 明天我们将进行一场考试。What is he going to be in the future?他将来打算成为什么?②表示根据目前情况所作出的推测。The sky is becoming dark. It's going to rain.天正在变暗,要下雨了。1.be going to+动词原形(2)句式结构 be going to的各种句式变化借助be动词完成。肯定句：主语+ be going to+动词原形 +其他.否定句：主语+ be not going to+动词原形+其他.一般疑问句：Be+主语+going to+动词原形 +其他? 肯定回答:Yes,主语+be. 否定回答:No,主语+ be not.特殊疑问句：疑问词+be(+主语)+ going to+动词原形+其他?I'm going to see my friends this weekend.这个周末我打算去看我的朋友。I'm not going to see my friends this weekend.这个周末我不打算去看我的朋友。Are you going to see your friends this weekend?这个周末你打算去看你的朋友吗?—Yes, I am.是的，我打算去。 / No, I’m not.不，我不打算去。When are you going to see your friends?你打算什么时候去看你的朋友？be 动词随主语的人称和数的变化而变化。2.will+动词原形(1)用法描述未来的事情或表达对将来的预测。will是助动词,意为“将;将要;将会”,will 可用于各种人称,无人称和数的变化。will not可缩写为won’t。The school holiday will come soon.学校假期很快就要到来了。Students will use the internet to learn.学生们将利用互联网来学习。拓展 助动词 shall 也可表示“将;将要”只用于第一人称，shall not 可缩写为 shan’t。We shall get there on time.我们将准时到达那里。2.will+动词原形(2)含有will的一般将来时的句式结构:肯定句： 主语+will+动词原形(+其他).否定句:主语+won’t+动词原形(+其他).一般疑问句: Will+主语+动词原形(+其他)? 肯定回答:Yes,主语+ will. 否定回答:No,主语+won’t.特殊疑问句： 疑问词+will+(主语+)动词原形(+其他)?She will be our English teacher next term.下学期她将成为我们的英语老师。I won't be able to come to the dinner today.今天我将不能赴晚宴了。—Will people use robots to do many things?人们会利用机器人来做许多事情吗?—Yes , they will./No, they won't.是的,他们会。/不,他们不会。When will they go shopping?他们将什么时候去购物?3.There be..结构的一般将来时There will be…或 There is/are going to be...意为“将会有……” 。There will be cities on the moon in the future. = There are going to be cities on the moon in the future.将来月球上会有城市。4. 表示将来的时间状语tomorrow, the day after tomorrow, next week，next month等 或“in+一段时间“连用。I will arrive in Shanghai tomorrow.我明天将到达上海。We won’t be busy this evening. 今晚我们不忙。They’re going to visit the Great Wall next week. 他们打算下周游览长城。注意 提问“in+一段时间”要用 how soon.—How soon will they finish the work? 他们多久以后会完成这项工作?—In an hour. 一小时之后。5.辨析:be going to与will(1) be going to表示事先已计划过或思考过的意图和打算; will表示未事先思考或未计划过的意图。(2) be going to还可表示客观迹象表明有可能要发生; 而 will 则表明说话者的观点主观意识。It will be New Year soon.很快就是新年了。(强调将来的状态)I am going to listen to music.我打算听音乐。(现在的打算)I’ll answer the door.我去开门。(未事先考虑的意图)I’m going to see him tomorrow.我打算明天去看他。(事先经过思考)Look at the clouds. There is going to be rain.看看这些云,将会有雨。(客观迹象)I hope it will be warm tomorrow.我希望明天会暖和起来。(主观意愿)6.现在进行时表示将来在英语中,一些表示位置移动的动词,如come，go，fly, leave等,常用现在进行时表示将来。He is flying to Nanjing tomorrow.明天他将乘飞机去往南京。We are leaving for Hainan this afternoon.今天下午我们将动身去海南。Complete the sentences with the simple future tense.6willare going towillplan to seed /siːd/ n. 种子，籽grow /ɡrəʊ/ v. 生长part /pɑːt/ n. 部分Complete the guide’s words using the correct form of the words in the boxes.7are going to walk/will walkwill rainwill seemakesgiverainforest /ˈreɪnfɒrɪst/ n.（热带）雨林Read the passage again and answer the questions.are going to walk/will walkwill rainwill seemakesgiveWhat does the writerthink of the trees?Why?Because trees give animals somewhere to live and food to eat.And trees can produce oxygen for us.Trees are important to nature.What can we do ?We can plant more trees.8Work in pairs. Discuss your plan for Planting Day. Use the words and expressions from the reading passage and the Useful expressions to help you.Discuss your plan for Planting Day. For example:A: Planting Day is coming. Let's do something.B: Sure, plants mean a lot to us. They are homes to animals. They also give us food and clean air.A: So what are your plans for Planting Day?B: Let’s make a "Green Corner". We can grow some flowers in our classroom.B: Sounds great!1. It's sunny now, but please take a raincoat! 现在阳光明媚,但请带上雨衣。sunny 【形容词】阳光充足的I like sunny autumn days.我喜欢阳光明媚的秋日。拓展 ①在名词词尾加-y或名词稍作变化再在词尾加-y构成形容词是英语构词法中的一种。如:snow-snowy(多雪的) rain-rainy(多雨的) cloud-cloudy(多云的)wind-windy(风大的) fog-foggy(有雾的) ice-icy(冰冷的)②上述以-y结尾的形容词可用来描述天气情况。It's cloudy today.今天多云。It will be cold and windy tomorrow.明天天气寒冷且有风。Language points2.The trees in a rainforest can make their own rain.雨林中的树木能自己制造雨水。own①〔代词或形容词〕自己的，属于自己的 用在所有格或形容词性物主代词之后强调某事物为某人自己所有。of one’s own 自己的 on one’s own 独自地These students have opinions of their own.这些学生有他们自己的见解。I can choose my own clothes.我可以挑选我自己的衣服。②〔动词〕拥有 不用于进行时,相当于 have。Who owns this house?谁拥有这所房子?拓展 owner〔可数名词〕主人；物主He is the owner of the car. 他是这辆小汽车的主人。I. 单项填空1.The sunflower seeds ______ into tall plants. Let's wait for it together.A. will grow B. grow C. grows D. grew2.— Jane and I ______ a picnic this Sunday. Would you like to come with us?— Sure. See you then.A. Had B. have had C. were having D. are going to have3.There is going to ______ a basketball match tomorrow.A. be B. have C. is D. are4.There ______ a robot in every family in the future.A. is B. are C. will be D. will have5.Peter ______ most of the museums in Beijing next year.A. visitB. visitsC. visitedD. is going to visit6.He ______ Planting Day activities tomorrow because he has a bad cold.A. is joiningB. joinsC. isn’t going to joinD. is going to join7.—When ______ your father ______ back?—In a week.A. is;comeB. does; comeC. will; comeD. will; comingⅡ. 句型转换1. They are going to have dinner together. (改为一般疑问句) ______ they ______ to have dinner together?2. Are the four boys going to play cards this evening? (作否定回答) _____, _____ _____.3.Lily is going to go over her lessons this weekend. (就画线部分提问) _____ is Lily _____ _____ _____this weekend?4. We will have a piano lesson tomorrow. (改为一般疑问句) _____ you _____ a piano lesson tomorrow?5. They’ll have long holidays and lots of free time. (改为否定句) They _____ _____ long holidays or lots of free time.No, they aren’tAre goingWhat going to do Will havewon’t haveHomeworkWrite your plan for Planting Day with the simple future tense.