英语选修7北师大版UNIT20课件PPT：L-1《语法》28张.ppt

1、The FutureI will-I am going to I am toI am about toI am comingThe trains leaves at six oclock.The Simple futuren 一般将来时表示将要发生的动作或出现的状态，由shall(will)原形动词；或 am(is,are)+goingto+原形动词构成n 动词如go,come,leave,begin等可用现在进行时表示未来表示计划或安排的动作n Am(is,are)+to+原形动词，表示计划或安排好的动作n Am(is,are)+about+原形动词表示最近将发生的动作，一般不带时间副词或片

2、语n 动词come,go,arrive,leave,start,begin,return的一般现在时可以表示将来，主要用来表示在时间上已确定或安排好的事情By the time of 2008,what will have been done?n By that time,they _more trees.n By that time,they _many new sports stadiumsn By that time,they _many old stadiums.n By that time,they _a lot of volunteers.n By that time,they _

3、n many old roadswill have plantedwill have set up/builtwill have rebuiltwill have foundwill have repairedWhy should we do this kind of things?n When we have planted more trees,we will-n After we have set up more sports stadiums,we will-n If we have rebuilt many old stadiums,we willn Unless we have r

4、epaired the old road,we wont-Sb.will have done将来完成时主要用来表示，在未来某一时间会业已完成的动作常与by的时间短语或before 等时间短语连用1.Computers will have become more handy than the human brain2.We will have discovered ways to gofurther into spaceby the year of 2020.by the end of the century-will have done n By Christmas they _ (sell)

5、over five million greetings cards.n By this summer the city council _(spend)$2 million on redecorating the old town.n By 2030 the climate in Europe _(become)much warmer.n By the end of this decade our town _(invest)$1 million in the industry.n By the time scientists find a cure for AIDS,many thousan

6、ds of people _(die)will have soldwill have spentwill have becomewill have investedwill have diedWhat will we have had by the end of 2007?classroomlaboratorylibrarydining hallIf we have _,we will have modern classroom.When we _,we will have better library.Once we _,-we will have a nicer dormitoryUnle

7、ss we _,we wont have an international dining hall.What will you be doing at that special time?Sb.will be dong将来进行时在将来某时候正在进行的动作；预计、安排即将发生或势必发生的动作。1.We will be communicating with our friends using life-sized video screens 2.We will be linking our brains to the computers in a few yearsby the middle of

8、 the century常用时间状语Soon,tomorrow,this evening，onSunday,by this time tomorrow,in two days,tomorrow evening-will be doing n I wont be able to answer the phone in the afternoon.I_(give)a talk at a conference.n Why dont you drop by on Wednesday night?I _(watch)a tennis match and it will be more fun if so

9、mebody joins me.n I _(drive)to town in the afternoon.Would you like me to give you a lift?n This time on Saturday I _(put up)my tent by the lake.n Dont disturb her.Tricia _(write)her article tonight.will be givingwill be watchingwill be drivingwill be putting upwill be writingWhat will they be doing

10、 in the morning of March 15th,2016?LinLinYuLuoYouWenIf I have enough money,I will-n I will-so-I will-until-n To-I will be-If I live in Beijing,I will be-n I will be-,but-If I am abroad,I will be-n I will be-as soon as-I will be-if I am an interpretern I will be-before-I will be-because I am a boss.n

11、 If I-in Guangzhou,I will be-Time clauses时间状语从句（1）n When I(will)look back on these days,Ill look and see your facen Once you(will)find out the truth,youll be glad to be here.n 在when,as soon as,until,before,after时间状语从句中，通常用一般现在时代替将来时，主句用将来时Time clauses时间状语从句（2）n After you(will)have done the shopping,

12、youll have a pleasant surprisen Ill help you as soon as I(will)have finished the washing up.n 在when,as soon as,until,before,after时间状语从句中，通常用现在完成时代替将来完成时，主句用将来时NowExercise 9 and exercise 10 on page 21n Multiple choices:1.I _ for you until you _your work.A will wait,will finish B have waited,will have

13、 finished C will be waiting,have finished D have waited;have finished 2.By the year of 2052,they _the secret of AIDS.A have discovered B will have discovered C will be discovering D will discoverC will be waiting,have finishedB will have discovered3.If I had a lot of time,I _around the world.A will

14、travel B would travel C will have traveled D had traveled 4.If you hadnt helped me yesterday,I _my work.A wouldnt finish B.wouldnt have finishedC hadnt finished D shoudnt have finished B would travelB.wouldnt have finished将来时用法小结时态形式用法一般将来时will/shall do,be going to,be(about)to将要发生的动作或出现的状态将来进行时will

15、be doing 将来某时正在进行的状态或动作，将来完成时will have done将来某一时之前已经完成的动作过去将来时would do/was going to/was(about)to从过去某一时间看来将要发生的动作或存在的状态过去将来完成时would have done与过去事实相反的虚拟语气When I look back on these days,_ and see your face.You are right there for me.In my dreams _always _you soar above the skies in my heart _always _a place for you,for all my life _a part of you with me,andeverywhere I am there_Ill lookIllseetherellbeIll keepyoull be