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时间:2020-03-14
《选修六Unit4公开课导学案.doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、韦良金公开课导学案it在强调句中的用法学习目标:1.Grasptheuseofemphasissentences.2.Tobeabletousethestructurecorrectly.3.Hopestudentscanuseemphasissentencesintheirwriting.学习重点:Learnnewstructures:emphasissentences学习难点:Masterhowtouseemphasissentencesinwriting.学习过程:Step1复习Unit3语法it的用法(一)1.用做人称代词1.)指代前面的名词或前面提到过的事。2.)
2、指代性别不明的child或baby。3.)指代未出场的身份不明确的人。4.)指代前文中的this,that。2.用作非人称代词it用作无人称的主语,不指物,而指时间,天气,气候,季节,距离等自然现象,或指事物的状态。3.It作形式主语和形式宾语Step2学习新知:二.it在强调句型中的用法1、探究发现①Itistheeffectsofglobalwarmingthatnooneknows.②Itisactivitiesfromhumanbeingsthatdosomedamagetotheatmosphere.③Itisfossilfuelsthatmuchoftheene
3、rgyusedtolightandheatourhomescomesfrom.我的发现这些句子都是_________,句中的划线部分标出了句中的强调句结构,即:____________+被强调部分+____________,句首词用“it”;be动词总是用单数形式,即is或was。连接词一般用that.总结:强调句的陈述句式It+is/was+被强调成分+that(指人时也可用who或whom)+剩余部分。强调句主要强调什么?2.小试牛刀:用强调句改写下列句子。1)Yourcontributioncounts.________________________________
4、____________________________2.)Activitiesfromhumanbeingsdosomedamagetotheatmosphere._____________________________________________________________3.)Iamtoblameforthis.__________________________________________________________4.)Nooneknowstheeffectsofglobalwarming.___________________________
5、________________________________5.)Muchoftheenergyusedtolightandheatourhomescomesfromfossilfuels._______________________________________________________________6.)Then,wegotalongwellwitheachother.__________________________________________________________________7.)Theymeteachotherinthatsup
6、ermarket._____________________________________________________________________8.)Iwastaughthowtodrivelastyear._________________________________________________________________3.考一考:根据要求写出相应的强调句Hemetanoldfriendintheparkyesterday.强调主语:___________________________________________________强调宾语:_
7、________________________________________________强调地点状语:________________________________________________强调时间状语:___________________________________________________强调谓语动词:_____________________________________________________4.补充归纳:强调句的一般疑问句式Is/Wasit+被强调部分+that/wh
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