人教版(新教材)高中英語選修1Unit 3 Fascinating Parks精品學案：Grammar-The -ing form(3) as the subject

1、Grammar-The 4ng form(3) as the subject語法導學 感悟規(guī)律 重點難點剖析語法感知感知以下課文原句，完成方框下的小題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）以上句中動名詞短語在句中作主適。通過以上例句可知，動名詞短語作主語時，謂語動詞應該用單數(shù)形式。語法精析概念：動詞-ing形式是動詞的一種非謂語形式，包括現(xiàn)在分詞和動名詞兩種。動詞-ing形式在句中的語法作用：動名詞在句中作主語、賓語、表語和定語，本單元重點講 解動名詞（短語）作主語的情況。.動名詞作主語時，往往表示經(jīng)常性、習慣性的動作，通常置于句首。Readin

3、g aloud is a good way to learn a language.大聲朗讀是學習語言的一種好方法。Wasting a person, s time is the same as killing him for his property.浪費別人的時間無異于謀財害命。注意：（1）不定式作主語表示具體的或一次性的動作。To lie to her is wrong.對她撒謊不對。動名詞（短語）作主語時，謂語動詞用單數(shù)。Climbing mountains is really difficult for the old.對于老人來說爬山確實困難。.形式主語it代替動名詞作主語。此類句

4、式常見的有：It s a waste of time doing sth.做某事是浪費時間。It s worthwhile doing sth.做某事是值得的。It s no good/use/fun doing sth.做某事沒用/沒意思。It is a waste of time persuading such a person to join us.勸說這種人加入我們是浪費時間。It is worthwhile reading such a wonderful novel.這么好的書很值得一讀。It s no use complaining without taking action.不

5、行動只抱怨是沒有用的。注意：動名詞作主語用it充當形式主語的情況很少，上表中是最常見的句式結(jié)構(gòu)。不定式作 主語時，常用it充當形式主語，如：It s not easy to learn a foreign language well.學好一門外語不容易。It s difficult for us to finish the work in a week.對我們來說，一周之內(nèi)完成這項工作很困難。.當句型“There is no.表示“不允許、禁止某種行為的發(fā)生或存在”時，需用動名詞作 主語。There is no denying that the environment is from bad

6、to worse.不能否認環(huán)境狀況正在逐步惡化。There is no joking about such matters.這種事開不得玩笑。達標檢測/當堂檢測基礎達標演練NI .單句語法填空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.在海邊度假很有趣。Tom s being so careless caused so m

8、uch trouble.湯姆這么粗心，惹來了不少麻煩。Writing English novels for that young man is really great fun.對那個年輕人來說寫英文小說很有趣。Since then, finding ways to grow more rice has been his life goal.從那時起，尋找方法生產(chǎn)更多的水稻是他的人生目標。His getting up late in the morning made him late for class. 他早上起晚了，導致他上課遲到了。in.用所給動詞的適當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