If引導(dǎo)的條件狀語(yǔ)從句

If引導(dǎo)的條件狀語(yǔ)從句Ifyouarehappy,whatwillyoudo?IfIamhappy,Iwillsmile

Ifyoubecomesad,whatwillyoudo?IfIbecomesad,Iwillcry.

Ifshewalkstoshool,shewillbelate.If引導(dǎo)條件狀語(yǔ)從句定義：if”如果，假如“，它引導(dǎo)的句子表示某事發(fā)生所需要的條件，即，“在······條件下，某事才能發(fā)生，”在句子中充當(dāng)狀語(yǔ)，因此叫狀語(yǔ)從句。（If引導(dǎo)的條件狀語(yǔ)從句表示假如有從句的動(dòng)作發(fā)生，就會(huì)有主句動(dòng)作的發(fā)生）位置：從句可放在主句之前或之后，但是放在主句之前須有逗號(hào)隔開(kāi)IfIhaveenoughmoney,Iwilltravelaroundtheworld.=IwilltravelaroundtheworldifIhaveenoughmoney.eg:如果我有足夠的錢，我就去環(huán)游世界。If條件句：條件句用于陳述語(yǔ)氣，表示假設(shè)的情況可能發(fā)生，其中if是“如果”的意思。

主句一般將來(lái)時(shí)

，從句用一般現(xiàn)在時(shí)。構(gòu)成條件從句主句時(shí)態(tài)If＋一般現(xiàn)在時(shí)主語(yǔ)＋shall/will+動(dòng)詞原形例句Ifhecomes,hewilltakeustothezoo.練一練：1。如果她早點(diǎn)兒起床，就有時(shí)間在家里吃早餐Ifshe________alittleearlier,she’llhavetimetoeatbreakfastathome.2。如果你參加聚會(huì)，你將會(huì)過(guò)得很開(kāi)心。Ifyou____theparty,you_________agreattime.3。如果明天下雨，我們將不去野餐Ifit____tomorrow,we_______forapicnic.4。如果你經(jīng)常聽(tīng)英文歌，你將會(huì)喜歡英語(yǔ)Ifyouoften_______Englishsongs,you______English.LookandsayIfI’mill,__________________.

IfIamill,Iwillstayathome.IfIamhungry,Iwilleatsomefood.IfIamhungry,Iwilleatsomefood.IfIamhungry,Iwilleatsomefood.IfIamhungry,Iwilleatsomefood.IfIamtired,Iwillhavearest.Ifitrainstommorw,IwillwatchTVathome.Ifitdoesn'train,Iwillplaybasketball.用法：1.如果從句用一般現(xiàn)在時(shí)，主句用一般將來(lái)時(shí)。Ifitrains（從句），Iwillstayathome.I’llgowithyouifyoudon’twanttogoalone.（從句）.2.如果主句含有must,may,can等情態(tài)動(dòng)詞，從句也要用一般現(xiàn)在時(shí)。Ifyoufinishthehomework，youcangohome．Youmuststopifthetrafficisred.3.如果主句是祈使句，從句同樣要用一般現(xiàn)在時(shí)。Don’tgoandplayfootballifyoudon’tfinishyourhomework.PleasecallmeifhecomesnextSunday.1IfI_______________(notunderstand）,Iwillaskmyteacherforhelp.IfI__________(copy)yourhomework,Iwillcheatmyself.3Ifshe_______________(notget)upearly,she’llmisstheearlybus.4Ifyourmother_______(buy)thebookforyou,itwillbegoodforyourstudy.1.He

(come)ifyouinvite邀請(qǐng)him.2.Ifit

(rain),Iwillstayathome.3.

Ihavelotsofmoney,Iwilltravelarondtheworld.4.Pleasecallmeifhe

(come)back.5.IwillplaybasketballwithyouifI

(have)lotsofhomework.

6.Ifit

(rain),wewillgotothepark.7.Ifyou

(want)togetbettergrades,y