4【四清导航】Unit 9 My favorite subject is science单元清课件.pptVIP免费

特殊疑问句的疑问词特殊疑问句以疑问词开头，常用的疑问词有what，who，when，how等。因大多数疑问词均以wh­开头，所以特殊疑问句又被称为wh­问句。◆whowho作疑问代词，意为“谁”，用于对句中表示人的主语、宾语或表语提问。如：Who­is­in­the­classroom？(提问主语)Who­do­you­like­in­your­class？(提问宾语)Who­is­the­girl­in­a­red­skirt？(提问表语)­­­­­­◆why­­­­­­­why作疑问副词，意为“为什么”，用来询问原因或理由。对于why引导的特殊疑问句，答句通常用because引导。如：­­­­­­­—Why­do­you­like­P．E.?­­­­­­­—Because­it's­fun.­­­­­­◆when­­­­­­­when作疑问副词，意为“什么时候，何时”，用来询问时间，既可询问某个时段或时刻，也可询问具体的日期。如：­­­­­­­When­do­you­usually­have­dinner?­­­­­­­When­is­his­birthday?­­­­­◆what­­­­­­what作疑问代词，意为“什么”，多用来询问某物，可以对句中的主语、宾语或表语提问。如：­­­­­­What­is­your­favorite­subject？(提问主语)­­­­­­What­do­you­have­for­lunch？(提问宾语)­­­­­­What's­his­telephone­number？(提问表语)what还可作限定词，和其他名词(如time，color等)一起引导特殊疑问句。如：­­­­­What­time­is­it?­­­­­What­color­is­your­bag?◆写作案例请以“My­Favorite­Subjects”为题，介绍一下你最喜爱的科目，并说明你最喜欢的原因。不少于50词。_______________________________________________________________________________________________________________________________________________________________________________________________________________________◆思路点拨本文应该这样构思：首先开门见山点明“我”最喜欢的科目；然后具体说明喜欢的原因；最后要首尾呼应，突出中心。写“我”最喜欢……相关句型：①I­like...我喜欢……②My­favorite­subject­is...我最喜爱的科目是……③Because­it­is­interesting.因为它很有趣。④The­teacher­says­it­is­useful.老师说它有用。⑤It­is­really­relaxing.它真的令人放松。◆美文欣赏My­Favorite­Subjects­­­­­­­I­have­nine­subjects­at­school.­My­favorite­subjects­are­P．E.­and­history.­I­like­having­P．E.­classes.­I­can­play­basketball，ping­pong，football­and­so­on.­We­have­fun­in­P．E.­classes.­I­like­history，too.­Because­my­history­teacher­is­great­fun.­So­P．E.­and­history­are­my­favorite­subjects.