八上Unit5Grammar公开课.ppt

《八上Unit5Grammar公开课.ppt》由会员分享，可在线阅读，更多相关《八上Unit5Grammar公开课.ppt（31页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、GrammarUnit 5Amy and her father went on a trip to ShanghaiWild Animal Park. They saw many animals and talked much about animals.bearzebrawolf/u/e/i:/e /wolvessquirrelfoxmonkeymonkeys/I/ /foxesdolphin giraffegoldfishgiraffes/I/butterflybatbutterfliesbee/i:/ What problems do giant pandas face?Its diff

2、icult for giant pandas to have babies, and many baby pandas die when they are very young.The bamboo forests are becoming smaller and smaller.Pandas may not have a place to live or food to eat.If we do nothing, soon there may be none left.People may not see pandas any more. What may happen?We use may

3、 to say that something is possible.Using may for possibility(可能性可能性)may可用来表示猜测某件事发生的可能性，可用来表示猜测某件事发生的可能性，表示表示“也许，可能也许，可能”。may通常用于肯定句通常用于肯定句与否定句，一般不用于疑问句。与否定句，一般不用于疑问句。Wild animals may become dishes on the table any time.I may die without them.肯定形式肯定形式: Giant pandas may not have a lot of bambooto eat

4、.否定形式否定形式: Sharks (鲨鱼鲨鱼) may _ (not bite) people sometimes.Work out the rule (规则规则)not bite may domay not do可能做可能做.可能不做可能不做.The boy may be surprised at your words.The old lion may be angry with his son. 肯定形式肯定形式: It may not be easy for the baby panda to drinkher mothers milk.否定形式否定形式: The parrot may

5、 _ (be excited) to see his master.Work out the rulebe excitedmay be + adj.may not be + adj.可能是可能是.可能不是可能不是.The monkey may be cleaning himself.The squirrel may be looking for food. 肯定形式肯定形式: The koala may not be sleeping.否定形式否定形式: The bear may _ (be catching) the fishin the water.Work out the rulebe

6、catching may be doingmay not be doing可能正在做可能正在做.可能不正在做可能不正在做.may(not) do sth.(not) be adj.(not) be doing sth.How to use may? The elephant is going towards the water. It (1)_(need) a bath. The little boy is crying because he saw the tigers. He (2)_ (be) afraid of them. I cannot go near the lions and

7、tigers. They (3)_ (hurt) me. The baby panda is not drinking its mums milk. It (4)_ (not be) hungry. The monkeys are jumping around. They (5)_(be playing) with each other. The horse is standing with its eyes closed. It (6) _(be sleeping) may needmay bemay hurtmay not bemay be playingmay be sleepingP6

8、1In the zoo Fill in the blanks with may1.- Mum, when will the animal show take place in the zoo? - Im not sure. Ask your father, please. He _ know. A. can B. may C. need D. shall 2. - Dad, when is the animal show? - Um, I cant remember exactly. It _ from 9 a.m. to 2 p.m. this Saturday. A. shall be B

9、. must be C. can be D. may be3. - Uncle Lee will go with us? Is he coming by train? - He should, but he _ not. He likes driving his car. A. must B. can C. may D. needRead and chooseWhen to use may?理解句子提理解句子提供的语境供的语境Tip: circle the key wordsPeople cant give everything to animals, because they may请根据下

10、列语境运用方框中的结构说出可能会发生什么。说得多的小组获得的星星越多。小组间说的内容不能重复哦！may do / may not do sth.The monkey is eating a banana. He may may be adj. / may not be adj. The little kangaroos are jumping around. They maymay be doing sth.may not be doing sth.We cant give everything to animals, because they may not like to eat the

11、food.The monkey is eating a banana. He may want to get one more.The little kangaroos are jumping around. They may be learning to jump. Can you find the structure (结构结构) of the red words? 上面例子中行为动词后面的动词都采用了上面例子中行为动词后面的动词都采用了“to + to + 动词原形动词原形”的结构，我们把这种结构称为的结构，我们把这种结构称为动词不动词不定式定式（有时可以不带（有时可以不带toto）。）

12、。动词不定式没有人称动词不定式没有人称和数的变化，在句中常作谓语动词的宾语。和数的变化，在句中常作谓语动词的宾语。What is to-infinitives？V (verbs) + to-infinitives 动词不定式动词不定式想要做某事想要做某事want to do sth.希望做某事希望做某事计划做某事计划做某事同意做某事同意做某事决定做某事决定做某事hope to do sth.plan to do sth.decide to do sth.agree to do sth.学习做某事学习做某事learn to do sth.准备做某事准备做某事prepare to do sth.

13、选择做某事选择做某事We use to-infinitives _(before, after) verbs such as want and plan.afterchoose to do sth.记得做某事记得做某事remember to do sth.忘记做某事忘记做某事forget to do sth.fail to do sth.未能做成某事未能做成某事Work out the rule 选择不做某事选择不做某事choose not to do sth.We can put not _ (before, after) to.beforeThe elephants _ (decide,

14、leave) the drought (干旱的干旱的) river.decide to leave The two wolves _ (try, not catch) the baby bear because of the strong father bear.try not to catch 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

15、.Dad: What do you know about bats?Amy: Bats cant see, but they can(2) _(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(3)_ (remember, come back) the same way as they went.Dad: What do you know about squirrels?Amy: The

16、y always(4)_(begin, save) some food before winter comes.Dad: Yes, but sometimes they forget where to find the food.learn to work outdecide to flyremember to come backbegin to saveP62Saturday, 30 OctoberI went on a trip to Shanghai Wildlife Park. I learnt much about animals. If two wolves dont agree

17、with each other, they start _ (show) their teeth and growl (低低吼吼) at each other.Some leopards (豹子豹子) choose _ (eat) their dead babies instead of leaving them, or other animals may _ (enjoy) the dead babies.Goats (山羊山羊) try_ (walk) since they born.to showto eatto walkenjoyMother eagles (鹰鹰) teach the

18、ir babies _ (fly) by pushing them out of the nests (窝窝) little by little. If the baby eagles are too weak, their motherswill choose _ (not look after) them.The wings (翅膀翅膀) of ostriches (鸵鸟鸵鸟) can help them _ (run) fast, even faster than a horse. Squirrels begin _ (save) food before winter comes, bu

19、t sometimes they forget where _(find) the food.However, the number of wild animals is becoming smaller and smaller. Its important for people _(protect) them. If we do things for them, they may _ (become) more and more._to fly(to) runnot to look afterto saveto findto protect becomeSaturday, 30 Octobe

20、rI went on a trip to Shanghai Wildlife Park. I learnt much about animals. If two wolves dont agree with each other, they start to show their teeth and growl (低吼低吼) at each other.Some leopards (豹子豹子) choose to eat their dead babies instead of leaving them, or other animals may enjoy the dead babies.G

21、oats (山羊山羊) try to walk since they were born.Mother eagles (鹰鹰) teach their babies to fly by pushing them out of the nests (窝窝) little by little. If the baby eagles are too weak, their motherswill choose not to look after them.The wings (翅膀翅膀) of ostriches (鸵鸟鸵鸟) can help them to run fast, even fast

22、er than a horse. Squirrels begin to save food before winter comes, but sometimes they forget where to find the food.However, the number of wild animals is becoming smaller and smaller. Its important for peopleto protect them. If we do things for them, they may become more and more._If people try to take fewer lands, animals may have more places to live.If people do their best to plant moretrees, there may be more wild animals. HomeworkReview what you learnt today.Finish the exercises.