新教材2020-2021学年高中英语人教必修第二册学案：Unit2Period 4 DiscoveringUsefulStructures Word版含解析

Unit2WildlifeProtectionPeriod4DiscoveringUsefulStructures学习目标1.Tohaveagoodunderstandingofthestructureofthepresentcontinuouspassivevoiceanditsfunction.2.Tomastertheusageofthepresentcontinuouspassivevoicethroughself-studyandpractice.3.Tousethepresentcontinuouspassivevoiceflexiblyintherealcontext.课堂探究PartⅠObservationandanalysisPayattentiontotheunderlinedparts:thepresentcontinuouspassivevoice,changethemintoactivevoiceandcomparethedifferencesinmeaning.1.Africanelephantsarebeinghunted.→2.Whatisbeingdonetohelpthem?→3.Whatmeasuresarebeingtakentohelpthem?→Differences:PartⅡThestructuresandthefunctionsActivity1Summarizethestructuresofthepresentcontinuouspassivevoice.肯定结构否定结构一般疑问结构特殊疑问结构Activity2Observethefollowingsentencesandfigureoutthefunctionsofthepresentcontinuouspassivevoice.1.Mysisterisnowbeinginterviewed.Function:2.Manyinterestingexperimentsarebeingcarriedoutthesedays.Function:3.Heisalwaysbeingpraisedbytheleader.Function:4.Acelebrationisbeingheldthisweekendforhissuccess.Function:被动语态的使用情境