高中英语人教版2019选择性必修二Unit 4 Discover Useful Structures课件.pptxVIP

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高中英语人教版2019选择性必修二Unit 4 Discover Useful Structures课件.pptx

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U4语法课件情景导入妃子（非谓语）皇上（句子）皇后（谓语）（非谓语）后宫佳丽三千皇后只有一个情景导入一个简单句只能有一个谓语，其他动词形式只能做非谓语（皇上）（皇后）（妃子）找妃子（非谓语）Brainstorminghave/has done am/is/are donedoing am/is/are being done will be doing done was/were being done am/is/are doingwill be being donehad done was/were doingwill be done will have been done was/were donedidhave/has been donehad been donehave/has been doingwill have donewill do现在过去将来一般态do/does/didwill doam/is/are donewas/were donewill be done进行态am/is/are doingwas/were doingwill be doingam/is/are being donewas/were being donewill be being done完成态have/has donehad donewill have donehave/has been donehad been donewill have been done完成进行时态have/has been doinghad been doingwill have been doinghave/has been being donehad been being donewill have been being donedone现在过去将来一般态do/does/didwill doam/is/are donewas/were donewill be done进行态am/is/are doingwas/were doingwill be doingam/is/are being donewas/were being donewill be being done完成态have/has donehad donewill have donehave/has been donehad been donewill have been doneto dodoingtototototohavinghavinghavinghavingto非谓语动词的三种基本形式及功能作用conclusion（受宠）（讨好）（等上位）讨论两个非谓语动词（妃子）（讨好）（受宠）Have a try　过去分词和动词-ing形式的用法1.They spent a couple of days in Vancouver , seeing the sights . 2.They visit an island that had wonderful shops selling crafts and antiques . 3.They were pleased to see the beautiful mountains looking out over the city .4. Looking at the beautiful scenery , they both agreed that it was the most awesome journey they had ever taken . 5.Seen from the train window , the mountains and forests of Canada looked massive .1.句1和句3中，加颜色词都是形容词化的过去分词，在句中作，表示主语的性质或所处的状态。2.句2中的过去分词短语在句中作。作状语用的过去分词(短语)Activity 2　一、过去分词和动词-ing形式作表语He seemed delighted at the news.When we heard of it，we were deeply moved.We were surprised at what he said at the meeting.系动词1.be;2.感官：feel，seem，look;3：保持/变化keep,become,get，remain.His words were discouraging，which made many people discouraged.The frightened look on her face suggested that she was frightened by the fr