1、岗埠中学集体备课年级： 八年级 学科： 英语 主备人：王霞 备课时间： 2013 年 月 日Teaching aims and demands:1.To make sure the students understand the use of to-infinitives for purpose.2.To be able to use verbs + objects + to-infinitives to make sentences.Important points: the use of to-infinitivesTeaching steps:Step1 PresentationTran
2、slation1.他来上海拜访他的朋友。2.政府应该立法来保护野生生物。3.为了省钱，她每天回家吃午饭。4.为了赢得下个月的比赛，他们每天刻苦训练。Use these sentences to give the students some examples about to-infinitives for purpose.Step 2 Introduce the uses of to-infinitives for purposeWe can use to-infinitives to express purpose.e.g. I often go to the market to watch
3、 birds.Now the Chinese government has made laws to prevent all these things.We can also use in order to to express purposes. This is more formal than to-infinitives.Step 3 Exercises1.Match the first parts of the sentences on the left with the second parts on the right.Write the correct letters in th
4、e blanks.(Page 73)2.More exercises1.我呆在那儿看看会发生什么。(I stayed there to /in order to see what would happen.)2.为了不忘记，他记下了我的电话号码。(He wrote down my telephone number in order not to forget it.)3.为了赶上早班车，今天早上我很早就起床了。(In order to catch the early bus, I got up early this morning.)Step 4 Using verbs + objects +
5、 to-infinitives1 We can use some verbs with objects and to-infinitives.e.g. We are now inviting them to help us.We need more people to count and describe the birds.2 We add not before to-infinitives to express a negative meaning.e.g. We ask people not to catch birds for any reason.3 Pay attention to
6、 these words:We often use these verbs in this structure.advise ask cause encourage get help invite order teach tell4 Special wordsWe can use some verbs in this structure with infinitives without to.make or let + object + infinitive without toMax tells funny jokes and often makes me laugh.Mr Wu agree
7、d to let me join their school trip.see or hear + object + infinitive without toShe saw a baby panda drink her mothers milk.Millie and Amy heard someone sing in the park.help + object + infinitive without toThis will help people (to) understand the importance of the wetlands.Step 5 Exercises1.Complet
8、e the sentences with the correct forms of the verbs in brackets. Ss books Page 74)2. More exercises1.我父亲经常鼓励我问老师问题。(My father often encourages me to ask the teacher questions.)2.李老师教我们打篮球两年了。(Mr Li has taught us to play basketball for two years.)3.语文老师让我们抄写这篇文章两遍。(The Chinese teacher made us copy the article twice.)4. 为了及时到达那儿，他们很早就动身了。(In order to get there in time, they set off early.)5.为了通过期末考试，我们必须更努力学习。(We must study harder in order to pass the final exams.)Step 6 HomeworkRecite the related phrases with to-infinitives.
