广东省中山市东凤第二中学九年级英语全册 Unit 3 Teenagers should be allowed to choose their（Period 2）精品课件 人教新目标版.ppt

unit3sectiona thesecondperiod guess whatisheallowedtodo is not allowedto is allowedto guess skate is not allowedto is allowedto guess takeashowerbyhimself is not allowedto is allowedto guess gooutwithfriends is not allowedto is allowedto readtheconversation thenwritesunfei sandwuyu srulesinthechart usedon tandyoucan haveto youhavetobehomeby10 00pm youcangotothemovieswithfriendsonfridaynights youcangotothemovieswithfriendsonfridaynights youcangoshoppingwithfriendsonsaturdayafternoon youcanchooseyourownclothes don tgetyourearspierced debate schoolrules wearschooluniformseveryday gotobedearlyandgetupearly don tusemobilephoneatschool notallowedtohavepart timejobsatschool 辩论 playcards beatchildren getmad mothers fathers teachersshould not beallowedto yourvoice noruleshavenodraw 没有规矩 无以成方圆 ithink teenagersshould beallowedto 被动语态passivevoice why 被动语态 定义 表示主语是动作的承受者 构成 助动词be 及物动词的过去分词 助动词有人称 时态和数的变化 含有情态动词的被动语态 情态动词 be 及物动词的过去分词 用法 当我们不知道谁是动作的执行者 或者没有必要指出谁是动作的执行者 1 规则动词的过去分词 1 一般情况在动词原形后加 ed watch watched 2 以不发音e结尾的加 d practice practiced 3 以辅音加y结尾的 去y变i加 ed study studied 4 以重读闭音节结尾 末尾只有一个辅音字母 先双写该辅音字母 再加 ed stop stopped 2 不规则动词的过去分词 am is are been have has had do done write written go gone doyouthinktheyarereasonable 合理 can thangoutwithfriendsonschoolnightwearnecklaces earringsstayupuntillatedohomeworkwithfriendsgetyourhaircurledgetyourearpiercedcolouryourhairsurftheinternet teenagersarenotallowedtostayup ithinkteenagersshouldbeallowedtostayup idon tthinkteenagersshouldbeallowedtostayup what syouropinion what syouropinion writealettert