人教版(新教材)高中英语选修1Unit 3 Fascinating Parks精品学案：Grammar-The -ing form(3) as the subject

1、Grammar-The 4ng form(3) as the subject语法导学 感悟规律 重点难点剖析语法感知感知以下课文原句，完成方框下的小题Even though the sun is brightly shining, telling whether it is morning or night is impossible.Getting here is quite difficult, so apart from the Sami very few people have ever seen Sarek. For hundreds of years， looking after

2、reindeer was a way of life for the Sami.Being in such a beautiful and wild place makes me feel blessed to be alive.（1）以上句中动名词短语在句中作主适。通过以上例句可知，动名词短语作主语时，谓语动词应该用单数形式。语法精析概念：动词-ing形式是动词的一种非谓语形式，包括现在分词和动名词两种。动词-ing形式在句中的语法作用：动名词在句中作主语、宾语、表语和定语，本单元重点讲 解动名词（短语）作主语的情况。.动名词作主语时，往往表示经常性、习惯性的动作，通常置于句首。Readin

3、g aloud is a good way to learn a language.大声朗读是学习语言的一种好方法。Wasting a person, s time is the same as killing him for his property.浪费别人的时间无异于谋财害命。注意：（1）不定式作主语表示具体的或一次性的动作。To lie to her is wrong.对她撒谎不对。动名词（短语）作主语时，谓语动词用单数。Climbing mountains is really difficult for the old.对于老人来说爬山确实困难。.形式主语it代替动名词作主语。此类句

4、式常见的有：It s a waste of time doing sth.做某事是浪费时间。It s worthwhile doing sth.做某事是值得的。It s no good/use/fun doing sth.做某事没用/没意思。It is a waste of time persuading such a person to join us.劝说这种人加入我们是浪费时间。It is worthwhile reading such a wonderful novel.这么好的书很值得一读。It s no use complaining without taking action.不

5、行动只抱怨是没有用的。注意：动名词作主语用it充当形式主语的情况很少，上表中是最常见的句式结构。不定式作 主语时，常用it充当形式主语，如：It s not easy to learn a foreign language well.学好一门外语不容易。It s difficult for us to finish the work in a week.对我们来说，一周之内完成这项工作很困难。.当句型“There is no.表示“不允许、禁止某种行为的发生或存在”时，需用动名词作 主语。There is no denying that the environment is from bad

6、to worse.不能否认环境状况正在逐步恶化。There is no joking about such matters.这种事开不得玩笑。达标检测/当堂检测基础达标演练NI .单句语法填空It is no use advocating(advocate) such a life in a remote village.His not getting(not get) to the station on time made everyone worried.Be careful! To play(play) with fire near the wood will be dangerous.

7、It is acknowledged that swimming is(be) a good sport in summer.It is a waste of time trying(try) to persuade him to give up computer games.It is necessary for us students to help(help) each other in trouble.IL完成句子It s fun spending the holiday on the beach.在海边度假很有趣。Tom s being so careless caused so m

8、uch trouble.汤姆这么粗心，惹来了不少麻烦。Writing English novels for that young man is really great fun.对那个年轻人来说写英文小说很有趣。Since then, finding ways to grow more rice has been his life goal.从那时起，寻找方法生产更多的水稻是他的人生目标。His getting up late in the morning made him late for class. 他早上起晚了，导致他上课迟到了。in.用所给动词的适当形式完成下面的短文Tom spen

9、t most of his time searching for information on the Internet each day, which made his parents worried.In his father? s opinion, 12.sitting(sit) in front of a computer did great harm to his son s health.However, he found that it was no use 13.advising(advise) Tom to spend less time on the Internet, f

10、or he wouldn t listen.Tom told his parents that that was what his job required.His mother wanted him to change his job, but Tom said that he was fond of it and 14.staying(stay) up late had become his habit.There was no way, otherwise he wouldn t finish his task on time.In my opinion, it is not wise to spend too much time on the Internet. 15