1、 教学案科目: 英语 主备人： 备课日期： 课 题M5 Unit 2 Grammar and usage第 7 课时计划上课日期：教学目标1. Have students know the usage of verb-ing;2. Have students use the verb-ing to make sentences and do some exercises.教学重难点Have students grasp the usage of verb-ing.教学流程内容板书关键点拨加工润色Step1: Greetings.Step2: Important points.(1) V-ing
2、 所表示的动作和谓语动词所表示的动作同时发生1) Hearing the bad news, they couldnt help crying. =On hearing the bad news, they couldnt help crying. 听到这个坏信息，他们忍不住哭了。常用的这类动词有：arrive, close, cook, hear, leave, open, return, see etc.(2) 动词-ing所表示的动作完成之后，谓语动词所表示的动作才发生1) Having turned off the radio, he began to go over his less
3、ons.=After turning off the radio, he began to go over his lessons.他关掉了收音机，开始复习功课。2) Having received his letter, I decided to write back.=After receiving his letter, I decided to write back.收到他的信，我决定回信。(3) 感官动词see, watch observe, look at, hear, listen to, notice 等和使役动词 have的后面的宾补用现在分词表示主动或正在进行。1) I h
4、eard her singing an English song when I passed by her room yesterday. 昨天我路过她教室的时候，听到她在唱一首英语歌。2) Its wrong of you to leave the machine running. 你不该让机器运行。3) The peasants had the tractor working day and night at the harvest time. 在收获季节，农民让拖拉机日夜不停的工作。（4）动词-ing逻辑上的主语是动词-ing所表示动作的对象时，一般要用被动形式1) The squirr
5、el was lucky that it just missed being caught. 松鼠很幸运，没有被抓住。 比较：He insisted on being sent to hospital. He insisted on sending her to hospital. 如果一个及物动词作定语 ，既要表达进行意味，又要表达被动意味时，就用动词ing的被动形式2) The question being discussed is very important. 正在讨论的问题非常重要。 3) The skyscraper being built is still higher than
6、 that one the year before last. 正在修建的摩天大楼比前年盖的那个还要高。4) Do you know the boy being punished by our teacher? 你认识那个被老师惩罚的男生吗？（5） 动词-ing形式的主动形式代替被动形式的情况 有些动词，如：want, need, require, deserve, worth等后面可以跟动词-ing的主动形式代替被动形式，表达被动意味。 1) The radio wants (needs, requires) repairing. =The radio wants (needs, requi
7、res) to be repaired. 2) The babies want (need, require) examining. = The babies want (need, require) to be examined. 3) The book is well worth reading again. 这本书很值得再看一遍。 4) These honest men are worth respecting and depending on. 诚实的人值得被尊敬和依赖。(6)有时动词-ing形式之前加上物主代词或名词的所有格（还可以用宾格）来表示它逻辑上的主语，使它的意思更加完整。1
8、) Marys being late again made her teacher very angry. 玛丽又迟到了，这让她的老师非常生气。2) Do you mind my /me smoking here? 你介意我在这里抽烟吗？(7) 一些特殊用法：a. allow/advise/forbid/permit doing sth. allow/advise/forbid/permit sb. to dob. Generally speaking - 一般来说Frankly speaking, - 坦白地说Judging from - 根据来判断Considering - 考虑到c. f
9、orget doing sth. 忘记已经做过某事remember doing sth. 记得曾经做过某事regret doing sth. 后悔做过某事stop doing sth. 停止做一件事try doing sth. 尝试着做某事mean doing sth. 意味着做某事go on doing sth. 继续做同一件事cant help doing sth. 情不自禁地做某事注意比较： forget to do sth. 忘记去做某事 remember to do sth. 记住去做某事 regret to do sth. 遗憾去做某事 stop to do sth. 停下来接着做另一件事 try to do sth. 努力做某事 mean to do sth. 意欲/想/企图做某事 go on to do sth.（做完某事）接着做另一件事 cant help to do sth.不能帮助做某事Step3: Homework1. review the usage of the verb-ing;2. use what you learned to do some exercises教学心得
