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1、1. Jim plans _ more fruit and vegetables every day. 2. After dinner, we like _ TV and chat there. 3. I love _ there and look out at the beach and the sea. 4. Lucy wants _ sick people. 5. I started _ the violin at the age of six. to eatto watchto sitto helpto playsit play eat watch helpPlease go on t
2、o look at the sentences below. Pay attention to the colored words.1.Kitty is preparing to go out next Sunday.2.Kitty plans to take Linda out.3.Linda wanted to visit the park.4.Sandy agrees to go with them.5.Millie decided to stay at home.什么是动词不定式什么是动词不定式(to-infinitives)？当句子中已经有谓语动词，而我们又要 表达不止一个动作概念时
3、，其余的动词可以使用非谓语形式表达。动词不定式 就是动词的一种非谓语形式，其肯定形式是“to + 动词原形” （有时可以不带to，其否定形式是 “not to + 动词原形”。无人称、数和时态的变化。Verbs+ to-infinitivesagree choose decide hope learn plan prepare want like start begin fail wish try remember forgetWe often use to-infinitives after these verbs.+ to-infinitives作宾语作宾语Fill in the blan
4、ks with the correct forms of the verbs in brackets.1. I often go to the market _(watch ) the flowers.2.We should make laws _( prevent) people killing bears.3. Jim will go to the park _(fly) kites.4.She will go to the supermarket _(buy) some bread.5.He came to my home _(play) chess with me just now.6
5、. We should act _（protect) wild animals.to watchto preventto flyto buyto playto protectUsing to-infinitives for purpose动词不定式作目的状语。动词不定式作目的状语。Using to-infinitives for purposeWe can use to-infinitives to expresspurpose. ( (表目的表目的) )作目的状语。作目的状语。e.g. I often go to the market to watch the birds. Now the
6、Chinese government has made laws to prevent all these things.We can also use in order to to express purpose. This is more formal than to-infinitives. (表达更正式，更清楚表达更正式，更清楚)其否定式是其否定式是 in order not to do sthe.g. 1.Some people want to make the wetlands smaller in order to have more space for farms and bu
7、ildings. 2.Take a notebook with you in order to write down what you see. 3.Take a notebook with you in order not to forget the important things.注意：注意：由由in order to引导的目的状语，既可以引导的目的状语，既可以置于句尾，也可以置于句首。置于句尾，也可以置于句首。e.g. They started early in order to get there in time. In order to get there in time, the
8、y started early. 为了及时赶到那里，他们很早就出发了。为了及时赶到那里，他们很早就出发了。1 People go to Zhalong _ a to take photos of the birds.2 They should read about _ b to study the the birds first birds in the wetlands. 3 Most People take a _ c to watch the camera birds.4 The Birdwtching _ d to learn more Society goes about them.
9、adbcAmy is thinking about the things people do in Zhalong Nature Reserve. Match the first parts of the sentences on the left with the second parts on the right. Write the correct letters in the blanks. 1.People go to Zhalong_ (watch) the birds. 2.People go to Zhalong in order_ (watch) the birds. 3.M
10、any people take a camera _(take) photos. 4.Many people take a camera in order _ (take) photos. 5.He wrote down my name in order _ (not forget) me. 6.She does her homework carefully in order _(not make) mistakes. to watchto watchto taketo takenot to forgetnot to makeWe add not before to-infinitives t
11、o express a negative meaning.e.g. We ask people not to catch birds for any reason. He told me not to make much noise.常跟常跟带带to的动词不定式的动词不定式作宾语补足语作宾语补足语的动词有：的动词有：ask, tell, order, invite, get, allow, wish, want, encourage, advise, warn, would like, need, 等。等。动词不定式作宾语补足语，动词不定式作宾语补足语，有带有带to和和不带不带to的两种形式的
12、两种形式。e.g.1.The policeman told the boys not to swim in the river.2.The teacher asked the students to finish the homework on time.3.Mr Wu advised us to read books aloud.make or let + object + infinitive without toe.g. Max tells funny jokes and often makes me laugh. Mr Wu agreed to let me join their sc
13、hool trip.常跟常跟不带不带to的动词不定式的动词不定式作宾语补足语的动词有：作宾语补足语的动词有：感官动词感官动词hear, feel, see, watch, notice等；使役动词等；使役动词let, make和和have。see ,find, watch, feel, notice or hear + object + infinitive without toe.g. 1.She saw a baby panda drink her mothers milk. 2. Millie and Amy heard someone sing in the park. 3. He a
14、lways watch them play football.注意：She saw a boy playing football on the ground at this time yesterday. 表示动作正在发生。 动词动词help后面的动词不定式可带后面的动词不定式可带to, 也可也可不带不带to。help + object + infinitive with or without toe.g. This will help people (to) understand the importance of the wetlands. She often helps me (to)
15、do the housework.The Class 1, Grade 8 students went to Zhalong Nature Reserve. Sandy is writing about their trip. Help her complete the sentences with the correct forms of the verbs in brackets.1. Mr Wu _ us _ a pair of comfortable shoes because we would have to walk a long way. (ask/wear)2. We _ so
16、me birds _ in the trees. (hear/sing)3. Mr Wu _ us _ the birds carefully. (tell/watch)4. He also _ us _ the birds. (want/describe)5. He _ us _ in the wetlands. (advise/not shout)6. The cold weather _ some birds _ south for the winter. (make/fly)7. The trip _ us _ more about wildlife. (help/learn)aske
17、d to wearheard singtold to watch wanted to describeadvised not to shoutmade flyhelped ( to) learn1. 我父亲经常鼓励我努力学习。 My father often encourages me to study hard.2. 去年李老师教我们打篮球。 Mr Li taught us to play basketball last year.3. 语文老师让我们读这篇文章两遍。 The Chinese teacher made us read the article twice.4. 为了通过期末考试
18、, 我们必须更努力学习。 We must study harder in order to/ to pass the final exam.In order to/ To pass the final exam, We must study harder .1. Father often tells me _ too much time on computer games. 2010河南河南 A. dont spend B. not spend C. not to spend D. not spending2. Why are you so excited? Peter invited me
19、_ on a trip to Yuntai Mountain. 2011河南河南 A. to go B. go C. going D. wentI. 单项选择。1. A: What else shall we take to the lake? B: _ me _ (let, see). Mr Lee _ us _ (tell; take) our raincoats yesterday.2. A: What did you hear just now? B: I _ a frog _ (hear; jump) into the water.3. A: Look, what is the mo
20、ther crane doing? B: She _ her baby _ (teach, catch) fish for food.II. 用所给动词的适当形式填空。用所给动词的适当形式填空。Let seetoldto takeheardjumpis teachingto catch4. A: Look at the sign. What does it say? B: It _ tourists _ (tell, not use) flashlight (闪光灯闪光灯) while taking photos.5. A: Why do you take a pen and a notebo
21、ok? B: Because Mr Lee _ us _ (advise, write) down what we see.tellsnot to useadvisedto write1. 老师要我们尽量保持安静。老师要我们尽量保持安静。 The teacher wanted us _ _.2. 老师告诉我们不要落下任何东西。老师告诉我们不要落下任何东西。 The teacher told us _ _. 3. 我没有看见他们下车。我没有看见他们下车。 I didnt _.III. 完成句子。完成句子。to try to keepquietnot to leave anythingbehindsee them get off
