Lesson19LiMingComesHome1.LiMing’sstory一：过去分词Keys:1:规则miss-missedwant-wantedlook-lookedwalk-walkedshop-shoppedlike-liked2：不规则do-didhave-had规则的过去分词变化规律：(1)一般动词，在词尾直接加“-ed”Eg:work---worked,visit---visited(2)以不发音的“e”结尾的动词，只在词尾加“d”。Eg:live---lived---lived(3)以“辅音字母+y”结尾的动词，将“y”变为“I”，再加“-ed”。Eg:study—studied,cry—cried,(4)重读闭音节结尾，末尾只有一个辅音字母（r、y、x除外），先双写该辅音字母，再加“-ed”。Eg:stop—stopped,drop—dropped1.WhoisliMingtalkingwith?Hewastalkingwithhisfather.2.DidLiMinghasagoodtirp?Yes,hedid.3.WheredidliMinggoyesterday?HewalkedtoWangfujingStreet.4.WhatdidLiMingdoonWangfujingStreet?HeshoppedthereandboughtaT-shirtforhisfather.2.Walkandwalked1.Ioftenwalktoschool.Iwalkedtotheparkyesterday.2.IoftenwatchTVathome.Iwatchedafilmlastnight.Let’sfindthedifference!1.时间不同。（标志词）2.动词形式不同3.时态不同（一般现在时和一般过去时）3.let’sdoit1.TellLiMing’sstoryLiMinghadfuninBeijing.He:a.HehadfunontheGreatWall.b.Hemissedhisfather.c.HewantedtobuyaT-shirt/agift(forhisfather.)d.HewalkedtoWangfujingStreet.e.Helookedintheclothesshop.2.Askandanswer.Thenwrite.Whatdidyoudoyesterday?Icalledmyfriends.Ihelpedmyfriends.IwatchedTV.Iwashedtheclothes.比一比✌：用I———yesterday.造句Ishoppedyesterday.Ididmyhomeworkyesterday.Iwalkedtoschoolyesterday.IwatchedTV/afilmyesterday.Imissedmysister/brother/mom/dad.……..作业：1.八个过去分词背过听写2.熟练的掌握要背过的四个句子发群3.20课的课文一加一找出不规则动词（5个）
