7B unit5 Grammar

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1、七年级下册英语教学课件系列Unit5AmazingthingsGrammarLastSunday,wewenttothesportscentre.Itwasverylarge.Weplayedbadminton.WarmingupAtnoon,wewenttoawesternrestaurant.Wehadlunchthere.Weateabigpizza.Itwasverydelicious.Itcostus40yuan.Intheafternoon,wevisitedalocaltheatre.WeenjoyedBeiji

2、ngoperathere.Intheevening,wedidsomeshoppinginabigshoppingmall.Iboughtlotsofsouvenirsthere.Icarriedthemhome.GrammarA.Simplepasttense;B.Simplepasttenseoftheverb‘tobe’and‘todo’.SimplepasttenseWeusesimplepasttensetotalkaboutthingsinthepastpresentAmonthago,MillieandAmywe

3、nttoSunshinePark.LastSunday,theywenttotheparkagain.past知识结构一般过去时构成用法常用时间动词的过去式1、表示过去某个时间发生的动作或存在的状态。2、表示过去经常或反复发生的动作。yesterdaylastnightin1990twodaysago用法1.表示过去某个时间发生的动作或存在的状态。Hewashereyesterday.Igotupatsixthirtyyesterdaymorning.Myfatherwasatworkyesterdayafternoon.Di

4、dyouhaveagoodtimelastsummer?2.表示过去经常或反复发生的动作。Myfatheroftenwenttoworkbybuslastyear.WhenIwasachild,Ioftenlistenedtomusic.一般过去时的时间状语:lastTuesday/week/month…yesterday(morning/afternoon…)thismorning…ago(2daysago/5weeksago…)thedaybeforeyesterday前天in+过去的年份（in1860/in1978…）j

5、ustnow=amomentago刚才今天上午动词过去式的构成规则动词不规则动词构成读音规则动词过去式的构成构成规则例词2、结尾是e的动词加-d1、一般在动词原形末尾加-edlivelivedhopehopeduseusedlooklookedplayplayedstartstarted规则动词过去式的构成构成规则例词3.末尾只有一个辅音字母的重读闭音节词,先双写这个辅音字母，再加-edstopstoppedplanplannedtriptripped4.结尾是“辅音字母+y”的动词,先变“y”为“i”再加-edstudyst

6、udiedcarrycarriedWeformthesimplepasttensebyadding–edtoregularverbs.Mostverbs+edwalkVerbsendingin-e+dliveVerbsendinginaconsonant+y-y+iedcryShortverbsendinginavowel+aconsonantdoubletheconsonant+edstopwalkedlivedcriedstopped说明：1.轻念/t/，即ed在轻辅音后面念/t/，例：finishedhelpedpass

7、edcooked2.元浊/d/，即ed在元音，浊辅音后面念/d/，例：borrowedenjoyedcalledmoved说明：3./t//d/之后念/id/，即ed在/t//d/音后面念/id/，例：wantedshoutedneededcounted不规则动词表InfinitivePasttenseamiswasarewerebeginbegunbreakbrokebringbroughtbuildbuiltbuyboughtcancouldInfinitivePasttensecatchcaughtcomecamedod

8、iddrawdrewdrinkdrankdrivedroveeatatefallfell不规则动词表Pleasewritethesimplepasttenseoftheverbsbelow.1.start______2.love_______3.play_____4.plan