Unit5 Grammar （课件） 2025-2026学年译林版英语八年级上册

Unit5 Wild animals Grammar Unit5 Wild animals lead in 每巴统菜 中国大熊猫 Have you ever seen giant pandas? Giant Pandas of China Do you like them? Where can you see them? Giant pandas are not only the national treasure of China 大熊猫，不又是中国的国宝 Presentation A Using verbs to-infinitives The Class 1,Grade 8 students went on a school trip to Beijing Zoo yesterday.Simon wrote about a giant panda.Read his article and pay attention to the use of to-infinitives. When we arrived at the zoo,the pandas started to come out of their home.I liked one of the pandas most.That panda was full of energy.He began to eat bamboo for breakfast.After that,he tried to exercise.A few minutes later,he decided to climb a tree.He even wanted to climb over the wall! Pay attention to the words in bold,think about their structure and their usage. Presentation We often use to-infinitives after these verbs:start the ruley begin try decide want learn, plan,prepare,choose,fail,remember,forget,agree,etc. Presentation 什么是动词不定式 'to-infinitives')? started to come began to eat verb+to-infinitives tried to exercise want to climb 上面例子中主要行为动词后面的动词都采用"t0+动词原形" 的结构，我们把这种结构称为动词不定式（有时可以不带 tO)。动词不定式没有人称和数的变化，在句子中不能单独 作谓语，其否定形式是“not to+动词原形”。 Presentation We often use to-infinitives after these words" agree同意 choose 选择 decide决定 learn学习 plan 计划 prepare 准备 want 想要 fail 失败 try 尝试 remember记得 forget忘记 hate讨厌 Iike/love喜欢start/begin开始hope/wish希望 +to do sth. Presentation 1Millie watched a video about another giant panda at the zoo and then wrote about it.Complete her article with the help of the words in brackets. This panda is fat and quiet.Shelikes to eat (like,eat)apples.She does not2)want to movant,move)around.Sometimes she (manages to climb (manage,climb)up the tree,but she often (4fails to get (fail,get) down. Presentation B Using to-infinitives to express purpose Read the text below by a panda keeper and pay attention to the use of to-infinitives. We love the baby panda very much.We prepare all kinds of food to give her a healthy diet.We buy toys to make her happy.We also plan to give her a special cake and some gifts to celebrate her birthday. We often use to-infinitives to express purpose.We can also use in order to,especially in formal writing. Our government has taken actions to protect giant pandas. Our government has taken actions in order to protect giant pandas. Practice B1 Amy is thinking about wild animals after coming back from the zoo.Match the first part of each sentence on the left with the second part on the right. 1 Eagles use their eyes a in order to stay safe. 2 Whales make loud sounds b to feed their babies and themselves. 3 Tigers hunt other animals in order to talk to each other. 4 Zebras live in groups d to leam hunting skills. 5 Baby animals watch their parentse to find small animals on the ground. Presentation C Using verbs objects infinitives with/without to Daniel wrote about the school trip to the zoo.Read his article and pay attention to the use of infinitives with or without to. Today we went to the zoo.The pandas in the zoo are really cute,and they made us all laugh.I saw a baby lion stay near its mother for protection.How lovely!Mr Wu asked us not to feed the animals there because it might make them sick.This trip was meaningful.It helped us(to)understand the importance of protecting animals.