1、课题：Book 4 Unit 2 Working the land Period 3 Grammar科组：英语年级：高一中心备课人：时间： 第 16 周Teaching aims: Learn the usage of the v-ing forms.【课前预习】What does the underlined part serve as in each sentence? 1. Since then，finding ways to grow more rice has been his life goal.2. As a young man，he saw the great need for
2、 increasing the rice output.3. Yuan searched for a way to increase rice harvests without expanding the area of the fields.4. He enjoys listening to violin music，playing mah-jong，swimming and reading.5. Spending money on himself or leading a comfortable life also means very little to him.6. Just drea
3、ming for things，however，costs nothing.7. Yuan awoke from his dream with the hope of producing a kind of rice was as huge as sorghum. 【课堂任务】一、动词-ing形式作主语 1. 动词-ing形式作主语表示抽象的或泛指的动作， 谓语动词用单数。如：Reading aloud is very important for us to learn a foreign language. Going to bed early and getting up early is
4、 considered to be a good habit.2. 动词-ing形式作主语时常后置， 用it作形式主语，用形容词或名词作表语。常见的作表语的名词或短语有：no use， no good， fun， hard work， a hard / difficult job， a wonder， a waste of time等。如：Is it worthwhile quarrelling with her?Its no good waiting here. Lets go home. It was a waste of time reading that book.3. “There
5、is + no”后可以用动词-ing形式作主语，表示“没法”。如：There was no telling when this might happen again.There was no knowing what he could do. 二、动词-ing形式作宾语 1. 有些动词如admit， avoid， consider， escape， deny， risk， suggest等后能接动词-ing形式作宾语，而不能接动词不定式。如：Were considering paying a visit to the Science Museum.2. 有些短语如cant help， be u
6、sed to， end up， feel like， lead to， be busy， be tired of， be fond of， be afraid of， be proud of， think of / about， put off， keep on， insist on， be good at， give up等后常接名词、代词或动词-ing形式作宾语。如：I have been used to living here. Im fond of collecting stamps and coins.3. need, require, want作“需要”解时, 后接动词-ing形式
7、作宾语, 主动形式表示被动意义, 相当于to be done。如： The radio needs / requires / wants repairing / to be repaired.注意 1. 动词-ing形式的复合结构是指在动词-ing形式前面加上逻辑主语来强调动作的执行者，该逻辑主语常为形容词性物主代词或名词所有格；当逻辑主语不出现在句首时，可用人称代词的宾格代替形容词性物主代词或用名词普通格代替名词的所有格。如：Im annoyed about Johns forgetting to pay.I really cant understand you treating her l
8、ike that.2. 动词-ing形式的否定形式是在其前面加not，带有逻辑主语时not应在动词-ing形式之前。如：Not cleaning her teeth made her smell bad.Your schoolmates not coming home in time made her parents worried.【课堂练习】I. 从 A、B、C、D四个选项中选出最佳选项。 1. Its necessary to be prepared for a job interview. _ the answers ready will be of great help. A. To
9、 have had B. Having hadC. Have D. Having2. The parents suggested _ in the hotel room but their kids were anxious to camp out during the trip.A. sleep B. to sleepC. sleeping D. having slept3. How I regret _ so much time in the net bar! I should have studied harder.A. to waste B. wasting C. wasted D.
10、being wastedII. 根据括号内的汉语提示, 完成下列句子。1. _ (大声朗读) in the library is a bad habit. 2. Its no use _ (像这样谈话). 3. In my mind, _(进入那所著名的大学) will be the only way to become a world-class writer.4. Mary got well-prepared for the job interview, for she couldnt risk _ (丢失这个好机会).5. He remembered _ (没有完成作业), so he got up early to do it the next morning.【课后练习】1. 复习 the v-ing forms做主语和宾语的用法2. 限时训练P87 语法巩固A