1、GrammarThe-ing form as the subjectUnit 3 Fascinating ParksHave you ever seen these signs?the ing formIdentify the function of the-ing form in the sentence below.Then find more sentences with the ing form from the reading passage and state their functions.1.Getting here is quite difficult.2.Being in
2、such a beautiful and wild place makes me feel blessed to be alive.3.I wake up to the sound of the wind buffeting the cloth of my tent.4.Even though the sun is brightly shining,telling whether it is morning or night is impossible.5.Checking my watch,I see that it is 7:30 a.m.subjectsubjectattributesu
3、bjectadverbial6.Spreading out before me,branches of the Rapa River flow through the valley below.7.Getting here is quite difficult,so apart from the Sami very few people have ever seen Sarek.8.For hundreds of years,looking after reindeer was a way of life for the Sami.9.But every spring,a small numb
4、er of Sami still follow their reindeer into the valleys of Sarek,living in tents or old cottages and enjoying their traditions.subjectsubjectadverbialadverbials10.For example,this morning my breakfast is flat bread warmed over a fire,dried reindeer meat,and some sweet and sour berries that I found g
5、rowing near my tent.11.Being in such a beautiful and wild place makes me feel blessed to be alive.12.Here I am,alone under this broad sky,breathing the fresh air,and enjoying this great adventure.subjectcomplementadverbialsThe-ing form as the subjectUsagese.g.Reading aloud is very important for us t
6、o learn a foreign language.Going to bed early and getting up early is considered to be a good habit.e.g.It is no use crying over spilt milk.常用常用-ing-ing形式作主语的句型：形式作主语的句型：It+be+a waste of time doing 做做是是浪费时间的浪费时间的It is/was no good/use doing 做做是没益是没益/用处的用处的It is/was hardly/scarcely worth doing 做做不值得不值
7、得It is/was worth/worthwhile doing 做做是值得的是值得的There is no sense in doing 做做没有道理没有道理Ex.2 on page 29Rewrite each of the following sentences using the-ing form as the subject.EXAMPLE:It is challenging yet really fascinating to hike through the mountains in the pathless Sarek.Hiking through the mountains
8、in the pathless Sarek is challenging yet really fascinating.1 It is both challenging and rewarding to study abroad.2 It would hardly be possible to go on a hiking tour in Sarek in winter due to the extreme cold.3 Honestly,it can be both exciting and terrifying to explore a vast unknown land.Studying
9、 abroad is both challenging and rewarding.Going on a hiking tour in Sarek in winter would hardly be possible due to the extreme cold.Honestly,exploring a vast unknown land can be both exciting and terrifying.Ex.2 on page 294 It is good to adopt a positive attitude,even when things are difficult.5 It
10、 is strongly advised to hire local guides,because they can offer accurate knowledge of Sarek culture and history.Adopting a positive attitude is good,even when things are difficult.Hiring local guides is strongly advised,because they can offer accurate knowledge of Sarek culture and history.Ex.2 on page 29How does the sentence focus change?The use of ing forms as subjects puts the action first,making the sentences seem more dynamic.Finish Ex.3 on page 29.THANKSMake you different
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