1、之之IF 和和 UNLESS 引导条引导条件状语从句件状语从句Grammar Review语法复习课语法复习课第1页Lets look back(回顾)(回顾)1.How to make an invitation?How to reply?怎样发出邀请怎样发出邀请/及其答语及其答语必定:必定:否定:否定:Its January 13th.2.Ask about time and different answers 怎样问询时间?及不一样答语怎样问询时间?及不一样答语 Its Wednesday,the 13th.What day is it today?Whats the date toda
2、y?Its Wednesday.Whats today?Sure,Id love to./That sounds great.Sorry,Im not free/available./No,I cant.Can you come to my party?第2页KeyExpressions重点短语重点短语hang out with take a trip to Beijing look forward toprepare for an examhave the fluon Saturday afternoon look afterc.在周六下午在周六下午d.和。闲逛和。闲逛e.照料照料f.去北京
3、旅行去北京旅行g.期盼期盼a.为考试做准备为考试做准备b.患流感患流感第3页之之IF 和和 UNLESS 引导条引导条件状语从句件状语从句Grammar Review语法复习课语法复习课第4页Lets guess假如假如后果后果(结果结果)IF/UNLESS什么果不能吃?什么果不能吃?第5页Lets discussIt will rain tomorrow.He will stay at home tomorrow.If it tomorrow,He at home.Plan A rainswill stay第6页It will not rain tomorrow.He will visit
4、my grandparents.If it tomorrow,He my grandparents.Unless it tomorrow,He my grandparents.Plan B doesnt rainwill visit rainswill visit 第7页If it rains tomorrow,I will stay at home.If it doesnt rain tomorrow,I will visit my grandparents.Unless it rains tomorrow,I will visit my grandparents.第8页He studies
5、 hard.He will go to college in 10 years.If he hard,he will in 10 years.Plan A studiesgo to college第9页Plan B He doesnt study hard.He cant go to college.he doesnt study hard,he cant go to college.(if/unless)he study hard,he wont/cant go to college.IfUnless 第10页If he studies hard,he will go to college
6、in 10 years.If he doesnt study hard,he cant go to college.Unless he studies hard,he cant go to college.第11页Lets review用 法 例 句If he studies hard,he will go to college in 10 years.Unless he studies hard,he cant go to college.主句为 ,从句用 。主句中有 ,从句用 。普通现在时态一般未来时态普通现在时态情态情态动词动词第12页If she _(need)help,please
7、call me.主句为祈使句,从句用普通现在时态。needs条件句不难记,条件句不难记,“主将从现主将从现”是关键。是关键。第13页Lets practice1.If it (not rain)tomorrow,we will come to meet you.2.If he comes tomorrow,I (call)you.3.Unless you (talk)to someone,you (not feel)better.doesnt rainwill calltalkwont feel第14页4.TheywillgototheGreatwall,ifit_tomorrow.A.doe
8、snt rain B.isnt raining C.wont rain D.will rain 5.Wewontgotocollege_weworkhard.A.unless B.if C.when D.because 6.Illgivethebooktohimifhe_herenextSunday.A.willcomeB.comesC.iscomingD.cameA AA AB B第15页7.-Areyougoingtoclimbthemountaintomorrow?-Yes,butifit_,I_stayathome.A.rains;stayB.willrain;stayC.rains,
9、willstayD.willrain;willstayC C8.Youwontgetgoodgrades_youimproveyourstudyways.A.if B.unless C.when D.because B B第16页9.假如我明天有空,我会和Tom一起去踢球。10.假如明天不下雨我们就去公园。11.If I am a teacher,I will_.If Im free,I will play soccer with Tom.If it doesnt rain tomorrow,we will go to the park.not ask my students to write
10、 words over and over again.第17页Lets write假设你中了彩票,拥有了很多钱,你会用这些钱来做什么?依据以下提醒,以“if I have a lot of money”为题写一篇作文,内容可适当发挥。第18页1.周游世界。(周游世界。(travel around the world)2.帮助其它人,因为帮助他人感到很高兴。帮助其它人,因为帮助他人感到很高兴。3.给母校一些钱,改进母校教学条件给母校一些钱,改进母校教学条件(improve the teaching conditions)。)。4.给父母买大房子,让他们生活地愈加舒适给父母买大房子,让他们生活地愈
11、加舒适(live comfortably)。)。第19页IfIHaveaLotofMoneyIfIhavealotofmoney,Ill_beabletodowhatIwanttodo.First,Illtravelaroundtheworld,because,Iliketraveling,andthenIwilltrymybesttohelpotherpeople.Imgladtohelpothers.Next,Iwillgivesomemoneytomyschooltoimproveitsteachingconditions.Finally,Iwillbuyabighouseformyparentsandletthemlivemorecomfortably.第20页Lets summarize 主句为普通未来时态,从句用普通现在时态。主句中含有情态动词,从句用普通现在时态。主句为祈使句,从句用普通现在时态。第21页Homework1.Finish the exercises on Page 14.2.Review Unit 10 第22页