Unit5 Wild animals Grammar课件2024-2025学年牛津译林版八年级英语上册

牛津译林版八年级英语上册 Unit5 Wild animals Grammar 1. Why do people call the panda “Xi Wang”? 2. What will happen to the pandas if the bamboo forests disappear? They may think it will bring them a hope. Pandas may not have a place to live or food to eat. Revision Revision 1. Why do people call the panda “Xi Wang”? 2. What will happen to the pandas if the bamboo forests disappear? Gerunds and infinitives. admit(承认)appreciate(欣赏)avoid(避免)deny(否认) enjoy(喜欢)celebrate(庆祝)consider(考虑)finish(完成)discuss(讨论)escape(逃跑)forgive(原谅) agree(同意) ask(要求) choose(选择) dare(敢) decide(决定) expect(期待) fail(失败) get(变得) hope(希望) hurry(匆忙) learn(学习) need(需要) offer(提供) plan(计划) pretend(假装) refuse(拒绝) say(说) wait(等待) want(想要) After these verbs, we can only use doing. Task 1 (worksheet) After these verbs, we can use to-infinitives. agree decide fail forget hope plan prepare remembertry want ... Learn to care about others. Mum's birthday is coming, so I ______ to make her a birthday card. Sandy _____ to help me. I went to her home because I _____ to keep it secret. I _______ to make the card with some roses on it. Sandy_______ to draw for me. We had fun working together. It took us 2 hours to finish. Lots of things went wrong during that time. I _____ to take the glue with me, so I _______ to stick them on. Luckily, Sandy came to help. She said, "________ to write down your wishes." We ____ our best to complete the card together. This is the first card I made for Mum.I ______ to make her happy. decided agreed wanted planned prepared forgot failed Remember tried hoped ——Adapted from Unit 4 Task （作宾语） 1. How old were you when you learnt________ (speak) English? 3. All of us want ________(get) high marks. 3. He agreed _______(help) his grandma with the housework every day. 4. We should learn _________(look) after ourselves. 5. We promised_________(not be) late for the class meeting again. Practice Fill in the blanks with infinitives. Task 2 (Worksheet) to speak to get to help to look not to be The negative form of infinitives is not to agree begin decide fail forget hope learn plan prepare remember try want We often use to-infinitives after these verbs. At four months old, she started to go outside for the first time. When she was six months old, she began to eat bamboo. When she was 20 months old, she learnt to look after herself. We often use verb and to-infinitives together. Look at the sentences and try to work out the rule. 考题：—Mom, _____ I watch my favourite TV show Everlasting Classics now? —I’m afraid you can’t. You must do the dishes first. A. need B. must C. will D. may 【点拨】根据句意可知，空处表示请求许可。 D 考点精讲 If we do nothing, there may be none left. What will happen to giant pandas if we do nothing? Extension: other uses of to- infinitives Read the sentences below. 1.To know oneself is true progress. 了解自己就是真正的进步。 2.To live is to change, and to be perfect is to have changed often. 生活就是要去改变，所谓的完美就是不断发生变化。 3.Adversity cause some men to break, others to break records. 逆境让一些人崩溃，也会让一些人破记录。 4.There is a time to talk and a time to act. 该说的时候说，该做的时候做。 5.To find the exact answer, one must first ask the exact question. 要找到确切的答案，首先必须提出确切的问题。 Task 3 (Worksheet) （作主语） （作表语） （作宾补） （作定语） （作目的状语） Presetation Who do you plan to go with? A trip to the zoo What do you want to take? How do you decide to get there? What do you hope to do there? Amy’s dad is asking Amy some questions about animals. Complete their conversation with the words in brackets. Dad: Do you know anything special about wild animals? Amy: Yes, Dad. For example, dolphins are clever. They can (1) ______________ (learn, work out) easy maths problems. Dad: What do you know about bats? Amy: Bats can't see, but they can (2) ______________ (decide, fly) the right way with the help of their mouths and ears. learn to work out decide to fly Dad: Did you know that bees never get lost? Amy: Yes. Bees always (3) ______________________ (remember, come back) the same way as they went. Dad: What do you know about squirrels? Amy: They always (4) ______________ (begin, save) some food before winter comes. Dad: Yes, but sometimes they forget where to find the food. remember to come back begin to save 动词不定式 动词不定式 动词不定式是一种非谓语形式，其基本结构是“to+ 动词原形”，其否定形式是“not to+ 动词原形”。动词不定式在句中不作谓语，因此没有人称和数的变化，它具有名词和形容词的特征。同时也保留了动词的某些特征，在句中可以作主语、宾语、表语、宾语补足语等。 动词不定式作动词的宾语① it 作形式宾语，动词不定式作真正的宾语② 一些动词后面既可以跟不定式也可以跟动词的-ing 形式③ 考点精讲 动词不定式在句子中常作某些动词的宾语, 常见的这类动词有：want、like、ask、agree、choose、decide、expect、fail、hope、learn、manage、offer、plan、prepare、promise、refuse、wish 等。 e.g. We hope to get there before dark. 我们希望天黑前到那儿。 I decided not to visit him this weekend. 我决定这个周末不去看望他了。 考点1 考点精讲 有些动词后面接复合宾语时，常用it 作形式宾语，而真正的宾语由动词不定式充当。这类动词有find、think、feel、make 等。 e.g. I find it interesting to learn English. 我发现学英语很有趣。 We all think it very difficult to finish the work on time. 我们都认为按时完成这项工作很难。 考点2 考点精讲 在英语中，有些动词后常接不定式。如：agree、decide、fail、hope、learn、plan、prepare、want 等。有些动词的后面既可跟不定式也可跟动词的-ing 形式，注意区分其含义。如：remember、forget、try 等。 e.g. Remember to turn off the lights when you leave the room. 当你离开房间时，记得把灯关了。(现在还没有关灯) I remember turning off the lights when I left the room. 我记得离开房间的时候关灯了。 ( 灯已经关了) 考点3 返回 考点精讲 e.g. Can I use your bike, John? 约翰，我可以用一下你的自行车吗？ May I have a look at your license, sir? 先生，我可以看一下你的执照吗？ (1) 当主语是第一人称时，may 引导的一般疑问句的否定回答用 can’t 或mustn’t，分别表示“不可以”和“禁止”。 (2)“May I ...?”在文体上比较正式，语气上比较委婉。口语中常说“Can I ...?”。 (3) may 一般不用于反意疑问句。 考点精讲 1.The Great Wall is so famous that a large number of travellers wish ______ it. A. visit B. visiting C. to visit D. visited C 考点精讲 2.After long years of war, many people are homeless. I think it important ________ a peaceful world. A. build B. not build C. to build D. not to build C 考点精讲 $$