Unit 5-4 Grammar 课件 2024-2025学年牛津译林版八年级英语上册

Unit 5 Wild Animals（第五课时） Grammar 译林出版社八年级上册级 英语 1 Guess : It may be a zebra. It may be a panda. It may be a snake. It’s black and white. It may be a spider. may ？ we use may to say something is possible Presentation The pandas are in danger. If we do nothing, soon there ____________________________ may be none left. may means something is possible Presentation The bamboo forests are becoming smaller and smaller. As a result, pandas__________________________________________________. may not have a place to live or food to eat may means something is possible Presentation Presentation Using: may for possibility Maybe it . is a tiger Maybe it . is drinking water It may . be a tiger 可能 adv. It may . be drinking water 可能 (情态动词) (可能性) 5 Presentation Why is it angry? Maybe it . doesn't like the food Maybe the fish . isn’t delicious It may . not like the food 可能 adv. It may . not be delicious 可能 (情态动词) 6 It may be a tiger. It may be a monkey. It may be a panda. It may hurt you. It may be dangerous. It may not be hungry. It may get sick. It may be climbing. The tips given to us: may可用来表示猜测某件事发生的可能性 在肯定句中，may后通常接____________,___________. 否定句是在may后加______,再加___________. 动词原形 be+ing not 动词原形 Presentation Using: may for possibility We use to say something is possible . may 可能是 . 可能正在做某事 . 可能做某事 . may be…. may be doing sth. may do sth. 8 The monkey may be smiling at his friends. may be doing 表示可能正在做 The monkey may be drinking milky tea. may+not +V.原形（do） He may like collecting stamps.(改为否定句) He may not like collecting stamps. may+not+ be doing可能没有正在做... They may be playing cards.(改为否定句) They may not be playing cards. 否定句结构： 1. The elephant is going towards the water. It __________(need) a bath. 2.The little boy is crying because he saw the tigers. He __________(be) afraid of them. 3. I cannot go near the lions and tigers. They ___________(hurt) me. 4.The baby panda is not drinking its mum’s milk. It ____________(not be) hungry. 5. The monkeys are jumping around. They _______________(be playing) with each other. 6. The horse is standing with its eyes closed. It _________________(be sleeping). may be may hurt may not be may be playing may be sleeping P 61 In the zoo may need Extension May表示“可能”时，其后动词用原形，相当于perhaps, maybe 1. He may not be at home now. =Perhaps he isn't at home now. =Maybe he isn't at home now. 2. The baby may have something nice to eat. =Perhaps the baby has something nice to eat. =Maybe the baby has something nice to eat. 他可能不在家（三种） 12 may的过去式为might 表示推测时，可能性低于may might Extension 1. 情态动词may可用来表示请求, 意为 “可以”，常 用于问句中。 情态动词may用法 ---May I borrow your books? 2. may可用来表示给予允许, 意为：“可以” You may bring it back tomorrow. 你可以明天把它带回来。 3. 用于祈使句，表示愿望、祝愿。 May you live long! 祝您长寿。 祝你一生幸福。 May you be happy all your life. 3. What do pandas learn to do at 20 months old? They learnt to look after themselves. 1. What do pandas start to do at 4 months old? They started to go outside for the first time. 2. What do pandas begin to do when they are six months old? They began to eat bamboo. A story of Xi Wang verbs + to - infinitives ( 动词不定式) They started to go outside for the first time. They began to eat bamboo. They learnt to look after themselves. object 宾语 subject 主语 predicate 谓语 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”。 A story about Tom Tom is in Grade 8. He ________ to pass the exam. But he wanted to do better next time, so he _________ to work harder. His mother asked him to read English words every day and he _________ to do that. He _________ to take another course in English. He _________ to do well in the next English exam. to pass agreed decided failed prepared hoped This morning, when he began _______(learn) some new English words, his mother asked him to try ______ (cook) lunch. He agreed ______(do) it. He remembered ______(add) some sugar to the dish but he forgot _______ (put) some salt in it. What a forgetful boy! to learn to do to add to put to cook A story about Tom zebra ['ziːbrə] When they are in danger, they will try _________(run) as fast as they can. Bears do not like living together. They hope ___________(live) alone. Let's know more about animals! to run to live The elephant is clever, it can learn _________(ride) a bike. Let's know more about animals! to ride Do you know these wild animals? Will bees get lost? They never get lost and always remember to come back the same way as they went. What do squirrels do before winter comes? They begin to save food before winter comes. dolphin ['dɒlfɪn] bat [bæt] bee [biː] squirrel ['skwɪrəl] Complete the conversation Dad: Do you know anything special about wild animals? Amy:Yes,Dad.For example, Dolphins are clever. They can _______________(learn, work out) easy maths problems. Dad: What do you know about bats? Amy: Bats can't see, but they can __________(decide,fly) the right way with the help of their mouth and ears. Dad: Did you know that bees never get lost? Amy: Yes. Bees always___________________(remember, come back) the same way as they went. learn to work out decide to fly remember to come back 24 Dad: What do you know about squirrels? Amy: They always_____________(begin, save) some food before winter comes. Dad: Yes, but sometimes they forget where to find the food. begin to save 25 Extension 不定式放在及物动词后，用作宾语 常用动词不定式作宾语的动词有： want, plan, hope, learn, decide, would like, begin, start, try, need, forget, choose, agree, promise 26 agree to do sth. 同意干 begin/ start to do sth. 开始干 decide to do sth． 决定干 fail to do sth. 做某事失败 forget to do sth. 忘记干 hope to do sth． 希望干 choose to do sth. 选择干 need to do sth. 需要干 seem to do sth. 似乎干 动词不定式作宾语 learn to do sth． 学着干 plan to do sth． 计划干 prepare to do sth. 准备干 remember to do. 记得干 try to do sth． 尝试干 want to do sth. 想要干 = would like to do sth. can’t wait to do sth. 迫不及待干 try one’s best to do sth. 尽某人最大的努力干 还有些动词既可跟不定式作宾语，也可跟动名词作宾语， 但含义不同： forget to do sth. 忘记要做某事 forget doing sth. 忘记曾经做过某事 stop to do sth. 停下来去做某事 stop doing sth. 停止做某事 go on to do sth. 继续做另一件事 go on doing sth. 继续做原来在做的事 need to do sth. 需要做某事 need doing sth. 需要被做 28 remember __________ sth. 记得要做某事 remember __________ sth. 记得做过某事 forget _________ sth. 忘记要做某事 forget _________ sth. 忘记做过某事 (forgot) to do doing to do doing e.g. Tom, 记得课后和我们一起打篮球。 Tom, ____________ ________ play basketball with us after class. 我记得上个月写了一封信给你。 I ______________ __________ a letter to you last month. remember to remember writing 区别1 stop to do sth. 停下(正在做的)事去做(另一件)事 stop doing sth. 停止做(正在做的)某事 1.让我们停下来休息一下。 Let’s ______ ______ _______ a rest. 2.不要说话， 老师来了。 ________ _______. The teacher is coming. stop to have Stop talking 区别2 need to do sth (需要做某事) need doing sth (需要被做某事) 我需要早起以赶上早班车。 I ________________________ the early bus. 花园里的花需要浇水了。 The flowers in the park _______________. need to get up early to catch need watering 区别2 Animals are our friends, we should love them and not hurt them. Homework 1. Finish the following exercises. 2. Search online to get more information about wild animals. $$