【语法焦点与同步作文指导】新目标九年级英语Unit7Teenagersshouldbeallowedtoshoosetheirownclothes（共9张PPT）VIP专享VIP免费

1.含情态动词should的被动语态结构式：should+be+及物动词的过去分词。(1)肯定句结构为：主语+shouldbe+及物动词的过去分词+(by+宾语）.eg:你应该自己完成作业。Yourhomeworkshouldbefinishedbyyourself.(2)否定结构为：主语+should+not+be+及物动词的过去分词+(by+宾语).eg：不应该允许青少年晚上外出。Teenagersshouldnotbeallowedtogooutatnight.语法焦点语法焦点含情态动词should的被动语态含情态动词should的被动语态1.含情态动词should的被动语态结构式：(3)一般疑问句结构为:Should+主语+be+及物动词的过去分词+(by+宾语)？回答:Yes，主语+should./No，主语+shouldn’t.eg:这些小树应该每天浇水吗？Shouldtheseyoungtreesbewateredeveryday?Yes,theyshould./No,theyshouldn’t.对，应该。/不，不应该。(4)特殊疑问句结构为:疑问词+一般疑问句？eg：应该允许学生们做什么？Whatshouldstudentsbeallowedtodo?语法焦点语法焦点含情态动词should的被动语态含情态动词should的被动语态1.Nobodycananswerthequestion.(同义句改写）→Thequestion＿＿＿＿answeredbyanybody.2.Weshouldcleanourteethtwiceaday.(改为被动语态）→Ourteethshould＿＿＿＿＿twiceaday.3.Theyshouldbeallowedtotakepartinafter-schoolactivities.(变一般疑问句并作否定回答）→＿＿＿＿they＿＿＿＿＿＿＿takepartinafterschoolactivities?No,they＿＿＿＿＿.一、按要求进行句型转换，每空一词。can’tbe强化训练强化训练becleanedShouldbeallowedtoshouldn’t4.Youcan’tlendthemagazinetoothers.(改为被动语态）→Thebook＿＿＿＿＿＿toothers.5.Thelightsshouldbeturnedoffbeforeyouleavetheclassroom.(改为主动语态）→You＿＿＿＿＿＿offthelightsbeforeyouleavetheclassroom.一、按要求进行句型转换，每空一词。can’tbelent强化训练强化训练shouldturn写作指导写作指导本单元写作针对某人、某事或某活动制定规则或提建议。写此类短文时，最重要的是掌握情态动词的用法以及相关句型。再根据所给的提示、要求等，明确中心内容，就能写出一篇好文章来。常用句型归纳如下：1.Wemust/can…;2.Wemustn’t/can’t…;3.Weshould/shouldn’t…;4.Weshould/shouldn’tbeallowedto…;5.You’dbetter…;6.Whynot….写作示例写作示例假设你叫大明，你的一个美国笔友托尼将到中国来并在你们班学习。请写信告诉他你们班的班规，80词左右。经典示范经典示范DearTony，Iamgladtoknowthatyouwillcometoourclass.Youaskedmeabouttheruleshere.Letmetellyousome.Westartclassat8o’clockinthemorning.Youshouldbeintheclassroombeforethat.Whentheclassbegins，youshouldsitsilentlyonyourseat.Youmustn’tspeaktoanyoneelsewhentheteacherisgivingthelesson.Ifyouwanttoanswertheteacher’squestion，putyourhandsupfirst.Whentheteachercallsyourname，youcanstandupandanswerit.Iftheteachergivesyousomehomeworktodo，yououghttofinishitontime.Ihopeyouwilldowellinallthelessonshere.Yours,Daming