Unit 4 Discover useful structures(现在分词与过去分词) ppt课件-(2022新)人教版高中英语选择性必修第二册.ppt

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1、Grammarpast participles vs -ing formExamples of past partiples vs the -ing formfrom P38&P44 Before starting out, they spent a couple of days in Vancouver, _(see) the sights. The next day was clear and mild, and they were pleased to see the beautiful mountains _(look) out over the city. _(see) from t

2、he train window, the mountains and forests of Canada looked massive.seeinglookingSeen They went trough two wheat-growing provinces, _they saw a bunch of farms that covered a very large area. The bushes and maple trees outside their windows were red,gold, and orange,and there was frost on the ground,

3、 _(confirm) that autumn had arrived in Canada.whereconfirming In addition to _(see) spectacular mountain peaks and forests, one highlight of their trip was being able to see many different creatures,_(include) deer, mountain goats, and even a grizzly bear and an eagle. It was not until 9:30 a.m _the

4、y finally reached the capital of Ontario, Toronto.seeingincludingthat _(stand) in the distance ,they were astonished to _(see) misty clouds rising from the great Niagara Falls,_is on the south side of the lake. The girls saw hundreds of skyscrapers of glass and steel, and old-fashioned cars_(roll) b

5、y.Standingseewhichrolling For both of them, the thought of_ (cross) the whole country by rail was_(excite). Later, they visit an island that had wonderful shops _(sell)crafts and antiques. However, they did not anticipate _(see) such an open country, and were truly _(amze).crossingexcitedsellingseei

6、ngamazed The next morning, the two girls arose early to take the rain to Lake Louise,_(pass) through the Canadian Rockies. _(look) at the beautiful scenery ,they both agreed that it was the most awesome journey they had ever taken. The counsins chatted with Lin Fei, _had moved to Canada many years e

7、arlier.passingLookingwhov-ing形式和过去分词作宾补形式和过去分词作宾补 动词-ing形式作宾语补足语时,表示正在进行的动作或经常存在的状态。动词-ing形式常作以下动词的宾语补足语。动词动词-ing形式作宾语补足语形式作宾语补足语 1表示感觉和心理状态的感官动词(短语)(常见的有see,hear,feel,smell,find,notice,observe,look at,listen to等)sb.doing sth.(作宾补) eg:I saw the little boy crying there. 2表示指使意义的使役动词(常见的有have,let,keep

8、,get,leave等)sb./sth.doing sth.(作宾补) eg:I wont have you running about in the room.动词-ed形式作宾语补足语 1过去分词用在表状态的动词keep,leave等词的后面作宾语补足语。 eg:He got up late and hurried to his office,leaving the breakfast untouched. 2过去分词用在使役动词have/get和make的后面作宾语补足语。 eg:The teacher tried to make herself understood by using

9、very simple English. John had his car fixed yestereday afternoon. Lucy got her hair cut last night. 3感官动词see,hear,notice,observe,watch,feel,find等后,可用过去分词作宾语补足语。 eg:When we saw the road blocked with snow,we decided to spend the holiday at home. The next morning people found the world outside their ho

10、uses completely changed.v-ing形式和过去分词作定语形式和过去分词作定语 现在分词表示进行,主动;过去分词表示已完成,现在分词表示进行,主动;过去分词表示已完成,被动。被动。 eg: falling leaves 正在落下的叶子(表正在进行) fallen leaves 落叶(表完成) boiling water 正在沸腾的水 boiled water 开水 developing countries 发展中国家 developed countries 发达国家 The mobile phone lying on the desk belongs to me. =The

11、 mobile phone which is lying on the desk belongs to me.( the mobile phone 和 lie为主动关系,故用现在分词) The mobile phone placed on the desk belongs to me. =The mobile phone which is placed on the desk belongs to me.(the mobile phone 和 place 为被动关系,故用过去分词)V-ing与过去分词作状语的区别与过去分词作状语的区别 V-ing表主动,正在进行关系;表主动,正在进行关系; 过

12、去分词表被动,已经完成关系。过去分词表被动,已经完成关系。 eg: _his classmates, he entered the classrom. _by his classmates, he entered the classrom.FollowingFollowed_from the hill, thecitylookslikeabiggarden. 如果句子的主语和分词是主动关系如果句子的主语和分词是主动关系, , 用用_,句子的主语和分词是被动关系,句子的主语和分词是被动关系,用用_。现在分词现在分词过去分词过去分词_ from the hill, you will find th

13、ecitylookslikeabiggarden. SeenSeeingExcercises 1._(give ) more time ,we can do the work better. 2._( give ) us more time, you can get a better result. 3._( compare ) him with you, I think you are lucky. 4._ (compare) with him ,you are lucky.GivenGivingComparingCompared 5._( find ) the man stealing m

14、y wallet ,I called the police. 6.Once _(find ) smoking in the office, you will be fined. 7.The professor came into the classroom, _(follow) his students. 8. The professor came into the classroom, _(follow) by his students. 9.The student _( speak) to the teacher now is our monitor.Findingfoundfollowi

15、ngfollowedspeaking 10.The problem _( discuss) yesterday is of great importance. 11.The machine _( repair ) yesterday is broken again. 12.The guests _(invite) to the meeting were all specialists. 13 .He lives in the house _( face ) the north.discussedrepairedinvitedfacing 14.Please speak loudly to make yourself _( hear)clearly. 15.Dont keep him _ ( stand) in the rain. 16.He is absent. He is having his house _( repair). 17.When I found myself _( laugh )at ,I became angry. 18.I feel my heart_( beat ) fast.repairedstandingheardlaughedbeating

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