If引导条件状语从句时

Unit6Grammarif“如果”，引导条件状语从句Whatwillhappenifyoucometoschoollate?Iwillmisssomeclasses.IfIcometoschoollate.Whatwillhappenifyoucometoschoollate?IfIcometoschoollate,Iwillmisssomeclasses.IwillmisssomeclassesifIcometoschoollate.Itisgoingtoraintomorrow.Iwillstayinbed.Ifitrainstomorrow,Iwillstayinbed.Iwillstayinbedifitrainstomorrow.Itwillbesunnytomorrow.Wewillhaveatriptomorrow.Wewillhaveatripifitissunnytomorrow.If引导一个条件状语从句来谈论“可能的行动导致的可能的结果”。如果主句用_________时，则从句用_________时，简称“主将从现”一般将来一般现在‘If+从句(一般现在时)主句(一般将来时)Ifwedonotprotectgiantpandas,theywilldie.AWilliamsmumisgivinghimadviceabouthisproblems.Matchthehalf-sentencesfromtheboxestocompleteheradviceforhim.William’sproblems1.Isometimesbringthewrongbookstoschool.Ifyoucheckyourtimetableeverynight，youwillknowwhichbookstobring.2.Iwasawayfromschooltoday,Idonotknowwhathomeworktodo.Ifyoucallyourfriends,theywilltellyouwhathomeworktodo.3.Ihategettingup,Ialwaysfeeltiredinthemorning.Ifyougotobedearly,youwillnotfeeltiredinthemornings.4.Idonotknowwhatthiswordmeans.Ifyoulookitupinthedictionary,youwillfindoutitsmeaning.BcarolisgivingadvicetoHenry.Whatisshesaying?Usethepicturesandthewordsinbracketstohelpyou__________________thewheelsround,they_______________easily.(make/turn)ifyoumakewillturn2.Theseeds______________________inthesoil.(grow/plant)willgrowifyouplantthem3.____________anotherwing,it______.(puton/fly)ifyouputonwillfly4.________________yourcoat,you__________socold.(puton/notfeel)Ifyouputonwillnotfeel5.Themeat_________________________inthefridge.(notgobad/put)willnotgobadifyouputit6.You__________________________yourclasses.(seeclearly/wear)willseeclearlyifyouwear拓展：当主句的动作表示真理或必然的结果时（结果一定会发生），主句和if引导的条件状语从句时态都用一般现在时。1.Ifyouheatice,itturnsintowater.如果你把冰加热，它就会化成水。2.Ifyoudroptheglassonthefloor,itbreaks..如果你把玻璃杯摔落在地上，它就会破碎。Whatwillhappen?1.IfIseeasnakeinfrontofme,____2.Giantpandaswillsurvive____3.Iwillseesomebeautifulbirds____4.IfIgotoNorthAfrica,____5.IfIhavetimenextweekend,____DCEABA.Iwillseealotofcamels.B.Iwillgotothezoo.C.ifweprotectthemD.Iwillruntheotherway.E.ifIwalkthrougharainforest,WhydoIwanttogotoBeijingZoo?1.IfI___(go)toBeijingZoo,I________(learn)alotaboutanimals.2.IfI______(arrive)atnoon,I______(see)thefeedingofanimals.3.IfI____(find)theMonkeyHill,I________(have)funthere.gowilllearnarrivewillseefindwillhave4.IfI_____(watch)theanimalscarefully,I______(get)enoughinformationformyclassreport(报告).5.IfI_____(finish)myreport(报告),I______(be)veryhappy.watchwillgetfinishwillbeFillintheblanks1.IfEddie____(die),noone________(look)afterHobo.2.IfEddieandHobo_________(nothave)enoughfood,they________(share)it.3.Wildanimals______(be)indangerifhunters____(keep)killingthem.dieswilllookdon’thavewillsharewillbekeep4.We_______(keep)pandassafefromdangerifwe_____(build)morereserves.5.You______(see)somesquirrelsifyou__(go)tothezoo.6.Thebabypanda______(live)onhisownifhismother_____(leave)himfortwowholedays.willkeepbuildwillseegowillliveleaves7.Ifwe____(build)thegiantpandareserves,we____________(encourage)themtoleave.8.Ifwe_______(notdo)anything,soonthere______(be)nopandasintheworld.buildwillencouragedon’tdowillbeMakingcomparisons.1.Ifpeoplefindbabypandasalone,they_______(take)themaway.2.Ifpandasarehungry,they___(eat)bambooleaves.3.Ifbirdsarefrightened,they_______(fly)away.willtakeeatwillfly4.Iftherearemanybeautifulbirdsinthezoo,we_______(take)acamerawithus.5.Ifatiger___________(nothave)foodfor15days,it___(die).doesn’thavedieswilltakeGrammarB&CGivingreasonswith“because”or“becauseof”Whichanimaldoyoulikebest?Why?Ilike…because….HelpAmyanswerthequestionsWhydidyougotoBeijingZoo?IwenttoBeijingZoobecauseIwantedtoseewildanimalsthere.HelpAmyanswerthequestionsWhydidn’tyoutakeanyfoodforanimals?Ididn’ttakeanyfoodbecausewemustn’tfeedtheanimalsinthezoo.HelpAmyanswerthequestionsWhydidyoustayinthezooforsomuchtime?Istayedinthezooforsomuchtimebecausethedolphinshowwaslong.HelpAmyanswerthequestionsWhymustweprotectwildanimals?Wemustprotectwildanimalsbecausewildanimalsareourfriends.XiWanghadtolookafterherselfbecausehermotherhadanotherbaby.WhydidyougotoBeijngZoo?Whydidn’tyoutakeanyfoodforanimals?Givingreasonswith“because”Whydidyoustayinthezooforsomuchtime?Whymustweprotectwildanimals?Itisverydifficultforgiantpandastosurviveinthewildbecauseofmanyreasons.Allthepeoplecheered/thewonderfulshowGivingreasonswith“becauseof”Lotsofpeopleknowabouttheshow/theads.Thedolphinswerereallytired/theperformanceSomestudentscouldn'tgototheshow/theexamGivingreasonswith“becauseof”1.Whyisthegroundallwet?(flood)Thegroundwasallwetbecauseoftheflood.2.Whyishesohappy?(gotanAforEnglish)3.Whyisshesosad?(lostherpen)4.Whyisthebabycrying?(hunger)5.Whydidn’tyougototheshow?(themathsexam)Workouttherules:Wecanuse“because”and“becauseof”togivethereason(s)forsomething.Theword“because”introducestheclauseofreasonandweusuallyputitinthemiddleofasentence.Weuseanoun,anounphraseorapronounafter“becauseof”.