高中英语虚拟语气—【教学课件】虚拟语气ITheSubjunctiveMoodⅠ虚拟语气ⅠIfhe__________（drive)morecarefully,he_________________(nothave)thecaraccidentyesterday.（与过去事实相反）a.IfTom________(be)morecarefulintheexam,he________________(pass)italready.b.Ifyou_______(get)upearlier,you________________(catch)thefirsttrain.c.IfI________(meet)youyesterday,we_______________(go)totheconcerttogether.IfI___(have)alotofmoney,IfI_____(be)astallasYaoMing.a.Ifthey_____(be)here,they__________(take)youradvice.b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?c.IfI_____(be)inyourposition,I_________(ask)forteacher’shelp.Ifit_____(rain)tomorrow,I___________(sleep)a.Ifthere_________(be)nonaturalresourceanymore,we___________(make)useofnuclearpower.b.What____________(happen)ifyou____________(getup)toolatetomorrow?c.IfRobots______________(control)theworldsomeday,here_________(be)nofriendship.时间虚拟语气在英语中，表示说话人所说的话不是事实，而是一种假设、愿望、怀疑或推测，要用虚拟语气。虚拟语气可以用于条件状语从句、名词性从句等。WereIyou,I...由介词（短语）with,without,otherwise表示的虚拟结构称为含蓄虚拟条件句1.Withoutsunlight,people’slife________(be)differentfromtoday.2.Withyourhelp,I_____________________（notfinish）theworkthatday.3.Hewasverybusyyesterday,otherwisehe_______________tothemeeting.高考冲刺判断是否虚拟1.Theymighthavefoundabetterhotelifthey___________(drive)afewmorekilometers.(2018北京)2.Ifwe___________(catch)theflightyesterday,wewouldbeenjoyingourholidayonthebeachnow.(2018天津)3.Withoutelectricity,humanlife_________(be)quitedifferenttoday.4.___I_______(think）youwereserious,Ishouldnothavelaughed.(2015·江苏，30)Homework高中英语虚拟语气—【教学课件】-最新经典通用版从算式到方程—【教学课件】一元一次方程2.什么是方程？3.列方程的步骤？你会用算术方法解决这个问题吗？思考：1.此题中涉及哪些量，这些量可以用什么关系表示？问题1：一辆客车和一辆卡车同时从A地出发沿同一公路同方向行驶，客车的行驶速度是70km/h，卡车的行驶速度是60km/h，客车比卡车早1h经过B地.A，B两地间的路程是多少？问题1：一辆客车和一辆卡车同时从A地出发沿同一公路同方向行驶，客车的行驶速度是70km/h，卡车的行驶速度是60km/h，客车比卡车早1h经过B地.A，B两地间的路程是多少？问题3：比较算术方法和用方程解决这个问题各有什么特点？问题4：你能归纳出方程定义吗？例1根据下列问题，设未知数并列出方程：例1根据下列问题，设未知数并列出方程：例1根据下列问题，设未知数并列出方程：问题5：观察上面例题列出的三个方程有什么特征？请同学们带着下列问题阅读教科书：（1）怎样将一个实际问题转化为方程问题？（2）列方程的依据是什么？1.