译林版初中英语八年级上册 U7 The natural world Grammar 课件

8A Unit 7 The Natural World Grammar牛津译林新教材RevisionWhat do you know about oceans?It covers the largest area of the earth’s surface. The sun gives ocean animals light and heat. It is provides home for animals all year around. We call the ocean the “heart” of the earth.PresentationThe sun gives ocean animals light and heat.SVIODOIOThe indirect object (IO) is a noun, noun phrase or pronoun. It refers to the person or thing that the action of a verb is done to or for.e.g. She gave me the book.(IO : me)PresentationThe sun gives ocean animals light and heat.SVIODODOThe direct object (DO) is a noun, noun phrase or pronoun. It refers to the person or thing that is directly affected by the action of a verb.e.g. She gave me the book, (DO: the book)Can we change the order of the direct and indirect objects?PresentationThe sun gives ocean animals light and heat.=We should build local wildlife a better home.The sun give light and heat to ocean animals.SVIODOWe should build a better home for local wildlife.PresentationWhich verbs can take two objects?BrainstormPresentationWe call the ocean the “heart” of the earth.SVOCOCAn object complement is a word or phrase that follows and describes the direct object of a sentence. It gives more information about the direct object.PresentationSummarize different forms of object complementsNoun or noun phraseAdjectivePronounPrepositional phraseInfinitiveParticiplePresentationThe mother bird keeps the eggs safe.SVOCWe made the forest the topic of this class.SVOCAdjectiveNoun phrasePresentationThe ocean provides a home for animals all year round.adverbialWe can add an adverbial to the structures above. We use an adverbial to show when, where or how an action is done.PresentationRead and learnAdverbial of time -- whenAdverbial of manner -- howAdverbial of place -- wherePresentationPresentationPracticeThey showed us maps of the polar regions.(2) The teacher gave the class a lesson on polar animals yesterday afternoon.(3) The weather made the journey hard.S+V+O+CS+V+O+OS+V+O+CS+V+O+OS+V+O+OPracticeS+V+O+CS+V+O+OS+V+O+CS+V+O+OProduction1.Forests give wild animals a home.2.Mr Wu showed us the importance of protecting forests.3.Plants in wetlands make the water clean.4.Forests keep the air fresh.Write 4 sentences about ecosystems, using the sentence structures “S + V + O + O" and “S + V + O + C”.Revision(1)Each ecosystem has a role to play ________helps keep the balance between all its members and the greater environment.(2) This goes on and on, __________ the ocean is just like the "heart" of the earth.(3) Wetlands only cover about 6% of the earth's land area. __________ they are home to around 40% of all the types of plants and animals.andRevise and fill soButPresentationWe use and to join similar or related ideas.When joining more than two expressions, we usually only put and before the last.andPresentationbutWe use but to join ideas that are different.PresentationorWe use or to introduce another possibility.In negative sentences, we use or to join two or more ideas.PresentationsoWe use so to express the result of something.PresentationPracticeA: Coral reefs are amazing. They help many sea animals live.B: Yes, they are very important, _________ they also protect the coastlines from storms.A: That’s true, _________ coral reefs are in danger because of pollution and climate change.B: It’s very worrying. We must do something to protect coral reefs. We can join a clean-up group __________start our own group.A: Yes, we can stop people from polluting the ocean, _________we can save them for the future.andbutorsoPracticeGrasslands can be hot, so animals sit under the shade of trees.Wetlands can have salt water and fresh water. There are forests in Asia and Europe.Deserts are dry, but they are not always hot.Some rainforest animals don't like wind or rain.ProductionThe desert is very dry, but some plants still grow there. Some animals can live in the desert, and they can survive without much water, Some plants give animals food. The temperature can be really high during the day, so some animals find it hard to stay cool. They might find shade or hide underground to stay safe.SummaryWhat do we learn today?Language points1.Little rain and too much sunshine make deserts dry.降雨量少、日照过强，使得沙漠十分干燥。不要在手机上花费太多时间。Don't spend too much time on your smart phone.Language points2.Quite a few desert plants also give animals food.不少沙漠植物也会为动物提供食物。在书架上你能看到相当多的书。You can see quite a few books on the shelf.Exercises1. —I like cooking, ______ I'm not good at it.—You may ask Lily for help. She cooks nice food.A. andB. butC. orD. so2. —Learning to love is like learning to walk.—Yes. Step out bravely ______ you'll find it's not so difficult.A. orB. andC. butD. so3. —When and where shall we talk about the plans?—You can come to my office tomorrow ______ I'll come to your place next Monday.A. andB. orC. butD. soExercises4. The structure of the sentence "Hobo built Eddie a tent." is "_______".A. S + V + OB. S + V + PC. S + V + O + OD. S + V + O + C5. The sentence structure of "We find Alice in Wonderland interesting." is "_______".A. S + VB. S + V + OC. S + V + O + OD. S + V + O + CHomeworkHave to do1. Finish the exercises.2. Preview Word power.Choose to doWrite about what you know about ecosystems using S + V + O + O and S + V + O + C.Use and, but, or and so to join your ideas.