IfI’mill,__________________.Ifyouarefreethisweekend,whatwillyoudo?grammare.g.1.Ifyoudon’tgetupearly,youwillbelateforschool.你假如不早点起床，上学就会迟到。2.IfIplaygamesonit,itwillgowrong.假如我用它玩游戏，它就会坏掉。if条件句不普通,几个关键点记心间。条件句放在前,逗号要放句中间。条件句表可能,主句多用未来时；条件句表事实,主句惯用现在时。if条件句有特点,现在时把未来替；这个规则要切记!1.Ifhe____________(not,doit),I___________(do)it.---IgetthirstywhenIrun.Iworrysomuchaboutmyschoolwork.Unit3activity1Rewritethesentenceswithif:Activity2.Completethesentences3.-Idon’tlikespeakingEnglishoutsidetheclassroom.-If_______________________________________(notpractice/notimprove).4.-ShouldItellmyteacherIdon’tunderstandthehomework?-If_______________________________________(nottellher/shenotabletohelpyou).5.-IsitOKifIwatchTVforsixhours?-If_______________________________________(youwatchtoomuch/eyeshurt).summarye.g.IfIwereyou,Iwouldinvitehimtotheparty.假如我是你，我会邀请他参加聚会。Ifhehadhurried,hecouldhavecaughtthetrain.假如他抓紧点，他会赶上火车。IfIweretogoabroad,IwouldgotoAmerica.假如我出国了，我会去美国。()6.─Mikewantstoknowif____apicnictomorrow.─Yes.Butifit_______,we'llvisitthemuseuminstead.A.youhave/willrainB.youwillhave/willrainC.youwillhave/rainsD.willyouhave/rains()7.Ireallydon'tknowifshe_______itwhenshe________.A.finds/arrivesB.finds/willarriveC.willfind/willarriveD.willfind/arrivesIfyouhavesomeproblemsinyourlife,whatwillyoudo?