8上上 Unit 5 Wild animals Grammar Lead inTom is so interested in the growth of giant pandas.He wants to ask Mr.Wu more questions about that.He may be in the meeting room now.He may be having a meeting.Ask Miss Liu.She may know.Lead inA.Using may for possibilityShe may know.He may be in the meeting room.He may be having a meeting.We use may to say that something is possible.=Perhaps he is in the meeting room.=Perhaps he is having a meeting.=Perhaps she knows.可能性可能性Practice1.Perhaps Mr.Wu is in his office.2.Perhaps he is very busy.3.Perhaps Tom wants to ask some questions.4.Perhaps Daniel is doing his homework.Write the sentences in a different way using may.Mr.Wu may be in his office.He may be very busy.Tom may want to ask some questions.Daniel may be doing his homework.Tip1:在肯定句中，在肯定句中，may后常接后常接_,_,_.dobe+be+doingTom:The bamboo forests are becoming smaller and smaller,what will happen to pandas?Mr.Wu:Pandas _.Tom:If we do nothing,what will happen to pandas?Mr.Wu:Soon,_.may not have a place to live or food to eat.there may not be pandas leftTip2:否定句在否定句在may后面加后面加not。
PracticeMillie is in the zoo.She is telling Sandy on the phone about what happens.Complete what Millie says using may with the words in brackets.1.The elephant is going towards the water.It _(need)a bath.may need2.The little boy is crying when he saw the tigers.He _(be)afraid of them.may bePractice3.I cannot go near the lions and tigers.They _(hurt)me.4.The baby panda is not drinking its mums milk.It _(not be)hungry.may hurtmay not be5.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 playingmay be sleepingB.Using verbs+to-infinitivesAt 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 learned to look after herself.We can use verbs and to-infinitives together.We often use to-infinitives after these verbs.agree choose decidehope learnplanpreparewant likestartbeginfail wishtryrememberforget lovewould like1.他想课后踢足球。
他想课后踢足球He _ after class.2.我妈妈昨天忘记关灯了我妈妈昨天忘记关灯了My mother _ the lights yesterday.wants to play footballforgot to turn offTip1:动词不定式在句子中不作谓语动词不定式在句子中不作谓语,因此因此没有人称、数和时没有人称、数和时态的变化态的变化3.你必须保证不再迟到了你必须保证不再迟到了You must _ again.promise not to be lateTip2:动词不定式的否定形式是动词不定式的否定形式是“not to+动词原形动词原形”PracticeAmys 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?learn to work out 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?decide to flyremember to come backAmy:They always(4)_(begin,save)some food before winter comes.Dad:Yes,but sometimes they forget where to find the food.begin to saveHave a try1.They are preparing _(have)a sports meeting.2.Jim agreed _(go)to the West Lake.3.White learned _(ride)a horse last year.4.Last week,we chose _(visit)Xuanwu Lake to enjoy ourselves.5.May decided _(buy)a book for Anns birthday.to haveto goto rideto visitto buy1.他可能认识你。
他可能认识你He _ you.2.他们可能下周去长城他们可能下周去长城They _ the Great Wall next week.3.我们同意马上离开我们同意马上离开We agreed _ at once.4.Laura计划到中国一些名胜之地旅游计划到中国一些名胜之地旅游Laura _ some places of interest in China.5.你愿意和他一起工作吗？你愿意和他一起工作吗？Would you _ with him?like to work plans to visitto leavemay knowmay go toHomework1.Review what we learned today.2.Finish Period 4 in your Exercises Book.。