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1、EnjoythesongIfyouarehappyLet’slistentoasong.Ifyou'rehappyandyouknowit,clapyourhands. Ifyou'rehappyandyouknowit,clap(拍手)yourhands.Ifyou'rehappyandyouknowit. Neverbeafraidtoshowit. Ifyou'rehappyandyouknowit,clapyourhands. Ifyou'rehappyandyouknowit,stomp(跺脚)yourfeet. Ifyou'reh
2、appyandyouknowit,stompyourfeet. Ifyou'rehappyandyouknowit.Neverbeafraidtoshowit. Ifyou'rehappyandyouknowit,stompyourfeet. Ifyou'rehappyandyouknowit,wink(眨眼)youreye. Ifyou'rehappyandyouknowit,winkyoureye. Ifyou'rehappyandyouknowit. Neverbeafraidtoshowit. Ifyou'rehappyandyouk
3、nowit,winkyoureye.(Ifyouarehappy)IfIamhappy,Iwillsmile.Iftheyarehappy,theywillsinganddance.SectionAUnit5Ifyougototheparty,you’llhaveagreattime!一条牛仔裤apairofjeansletsbin让某人进入（来）是动副结构代词是宾语时必须放在中间。其反义词为letsbout让某人出去别让那个男孩儿进来！Don’tlettheboyin!让他出去！Lethimout.organizethepartygames
4、组织聚会游戏Whatwillhappentomorrow?Itwillbesunnytomorrow.Theywillplayfootballtomorrow.用if合并成一句Theywillplayfootballifitissunnytomorrow.Ifitissunnytomorrow,theywillplayfootball.ifisWillbe构成条件从句主 句时态If＋一般现在时主语＋shall/will+动词原形例句Ifhecomes,hewilltakeustothezoo.Ifitdoesn’traintomorrow,
5、wewillgotothepark.=We’llgototheparkifitdoesn’traintomorrow.如果明天不下雨，我们就去公园。letsb.in意为“允许某人进入”，in是副词，意思是“在里面、向里面”，作宾语补足语。如:IfhegoestoEngland,hewillhavetolearnEnglish.如果他要去英格兰,他将不得不学英语。Ifitisfinetomorrow,wewillhaveapicnicsomewhere.如果明天天气好,我们就到什么地方野餐去。If句型If意为如果，表示条件，if引导的句子是从句
6、，用现在时态，主句则用将来时态。也就是所谓的“主将从现”。Ifyoueatless,youwillbethinner.Ifyouworkhard,youwillbesuccessful.Ifyoucometoschoollate,yourteacherwillbeangrywithyou.GrammarFocusIthinkI’llridemybike.Ifyoudo,youwillbelate.IthinkI’mgoingtostayathome.Ifyoudo,youwillbesorry..扩充：Ifhedoes，hewillbelat
7、e.Ifshedoes，shewillbesorry如果明天下雨，我将弹钢琴。Ifitisrainytomorrow,Iwillplaythepiano.berainyplaythepianoLookatthepictureandmakeupsentencesusing“if”.Exercisehealthy如果我锻炼，我将健康。IfIexercise,Iwillbehealthy.Whendoyougetuponweekends?(9:00)Igetupat9:00onweekends.Whatwillhappenifyougetupat
8、9:00thismorning?(IfI…,Iwill…)IfIgetupat9:00,Iwillbelate.IwillbelateifIgetupat9:00.
