人教版（2019）選擇性必修一：Unit3 Fascinating Parks The - ing form(3) as the subject課件

1、Fascinating ParksUnit 31.Even though the sun is brightly shining，telling whether it is morning or night is impossible.2.Getting here is quite difficult，so apart from the Sami very few people have ever seen Sarek.3.For hundreds of years，looking after reindeer was a way of life for the Sami.4.Being in

2、 such a beautiful and wild place makes me feel blessed to be alive.感知以下句子，完成方框下的小題語(yǔ) 法 導(dǎo) 學(xué)語(yǔ)法感知1.以上句中動(dòng)詞-ing 在句中作 。2.通過以上例句可知?jiǎng)釉~-ing作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞應(yīng)該用 形式。主語(yǔ)單數(shù)概念：動(dòng)詞-ing形式是動(dòng)詞的一種非謂語(yǔ)形式，包括現(xiàn)在分詞和動(dòng)名詞兩種。動(dòng)詞-ing形式在句中的語(yǔ)法作用：動(dòng)名詞在句中作主語(yǔ)、賓語(yǔ)、表語(yǔ)和定語(yǔ)，本單元重點(diǎn)講解動(dòng)名詞作主語(yǔ)的情況。語(yǔ)法精析1.動(dòng)名詞作主語(yǔ)時(shí)，往往表示經(jīng)常性、習(xí)慣性的動(dòng)作，通常置于句首。Reading aloud is a good way

3、 to learn a language.大聲朗讀是學(xué)習(xí)語(yǔ)言的一種好方法。Wasting a persons time is the same as killing him for his property.浪費(fèi)別人的時(shí)間無異于謀財(cái)害命。注意：(1)不定式作主語(yǔ)表示具體的或一次性的動(dòng)作。To lie to her is wrong.對(duì)她撒謊不對(duì)。(2)動(dòng)名詞作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)。Climbing mountains is really difficult for the old.對(duì)于老人來說爬山確實(shí)困難。2.形式主語(yǔ)it代替動(dòng)名詞作主語(yǔ)。此類句式常見的有：Its a waste of ti

4、me doing sth. 做某事是浪費(fèi)時(shí)間。Its worthwhile doing sth. 做某事是值得的。Its 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(fèi)時(shí)間。It is worthwhile reading such a wonderful novel.這么好的書很值得一讀。Its no use complaining without taking action.不行動(dòng)只抱怨是沒有用的。注意：動(dòng)名詞作主語(yǔ)用it

5、充當(dāng)形式主語(yǔ)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(yǔ)時(shí)，常用it 充當(dāng)形式主語(yǔ)，如：Its not easy to learn a foreign language well.學(xué)好一門外語(yǔ)不容易。Its difficult for us to finish the work in a week.對(duì)我們來說，一周之內(nèi)完成這項(xiàng)工作很困難。3.當(dāng)句型“There is no.”表示“不允許、禁止某種行為的發(fā)生或存在”時(shí)，需用動(dòng)名詞作主語(yǔ)。There is no denying that the environment is from bad to worse.不能否認(rèn)環(huán)境狀況正在逐步惡化。

6、There is no joking about such matters.這種事開不得玩笑。.用所給詞的適當(dāng)形式填空1.It is no use (keep) silent about such a matter.2.His (not get) to the station on time made everyone worried last week.3.Be careful！ (play) with fire near the wood will be dangerous.4.Swimming (be) a good sport in summer.5.It is a waste of

7、time (try) to persuade him to give up playing computer games.達(dá) 標(biāo) 檢 測(cè)keepingnot gettingTo playistrying6.There is no (tell) what he is going to do.7.It is necessary for us students (help) each other in trouble.8. (get) a PhD in two years after graduating from university is his wish.tellingto helpTo get.完成句子9. for him is really great fun.對(duì)他來說寫英語(yǔ)小說很有趣。10.Since then， has been his life goal.從那時(shí)起，尋找方法生產(chǎn)更多的水稻是他的人生目標(biāo)。11. made him late for class.他早上起晚了，導(dǎo)致他上課遲到了。12. on the beach.在海邊度假很有趣。13. caused so much trouble.湯姆這么粗心，惹來了不少麻煩。Writing English novels