1、徐州市城北中学初二英语教学案8A Unit6 Birdwatching Grammar【Learning aims 】：1、To learn to use to-infinitives for purpose2、To learn to use verbs + objects + to-infinitives【Learning important point 】：The usage of “verbs+to-infinitives”一. 课前预习：（一）不定式由“to + 动词原形”构成，其否定形式是“not to + 动词原形”。不定式可以带宾语或状语构成不定式短语，没有人称和数的变化，但有时
2、态和语态的变化。不定式可作主语、宾语、状语、表语和定语，但不能单独作谓语。不定式的逻辑主语有时有“for + 名词或代词宾格”构成。（二）通过预习，了解本课时的单词、短语、句型（英汉互译） 。1.all these things 2.写下，记下_3.describe the birds _ 4.使我大笑_5.take photos of the birds_ 6.让我参加他们学校的旅行_7Take a note book with you in order to write down what you see._8.We ask people not to catch birds for an
3、y reason. _ 9.This will help people (to) understand the importance of the wetlands. _ _自主学习自己看书学习 P73 的内容并完成练习。自己看书学习 P74 动词不定式的用法并完成练习。二.合作探究 一）Sentences from this unit:二）学习用不定式表示某一动作或状态的目的，即动词不定式作目的状语。 I had to work hard to earn money.我不得不努力工作赚钱。He stayed at home to finish his homework.他留在家完成作业。为了
4、使目的意义更加清楚或表示强调意义时，还可以在前面加 in order to。She is running quickly in order to catch the train. 来源:gkstk.Com为了赶火车，她正飞快地跑着。由 in order to 引导的目的状语，既可以置于句尾，也可以置于句首。They started early in order to get there in time.= In order to get there in time, they started early. 为了及时赶到那里，他们很早就出发了。三）用动词不定式来说明宾语的情况，此时动词不定式在句
5、中作宾语补足语。My mum asks me to play the piano two hours every day.我妈妈让我每天弹两小时的钢琴。四）引导不定式作宾补的动词：warn, tell, allow, ask, order, get, invite, wish, want, encourage 等+ sb. to do sth.The teacher told me to clean the blackboard.I want you to give me some help.注意：小贴士： 五看：watch ,see ,look at,observe ,notice 三使：l
6、et,make ,have二听：listen to ,hear 一感觉 feel：+sb do sth.(不带 to )五）动词 help 后面的动词不定式可带 to，也可不带 to。She often helps me (to) do the housework.她常常帮我做家务。We helped him (to) fix his bike. 我们帮他修自行车。三当堂检测 (一)用所给词的适当形式填空.1. He practises every day in order (win) the game.2. The story made me (feel) sad.3. We all agr
7、eed (go) on a school trip this weekend.来源:学优高考网4. Can you help us (finish) the work?5. I often listen to him (play) the guitar.6. (sell) all his goods(物品), he walked a long way.7. Let me (read) it for you if you cannot see it clearly.8. My father wants me (wait) for him here.9. Did you notice anyone
8、 (take) away my bag?来源:gkstk.Com10. (get) a good job, he has to study hard day and night.(二)、翻译句子.1. 你看到 Lily 来这儿了吗？ Did you ?2. 为了变苗条，我开始少吃。 ，I began to eat less.3. 让 Tom 帮你拿这些书。 Tom these books.4. 老师要我们立即回家。 The teacher told us 四：课后拓展： 用所给词的适当形式完成句子。1. He told us_(not make) any noise in the librar
9、y.2. This problem is very difficult_(work) out.3. She asked me_(help) them.4.Max often makes us_(laugh) .来源:学优高考网 gkstk5.I often saw some boys_(play) football on the playground.6.We need more people _(count) the birds.7.Mr Wang agreed_(let) me_(join) their school trip.8.I got up early in order _(open) the door for our classmates. 来源:gkstk.Com9.It took me 2 hours_(ride) there.10.I heard a girl next door _(sing) in the room.五教后反思：
