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1、必修一Unit2 Discovering Useful Structures现在进行时表将来Learning objectives:1. Identify and understand what is present continuous tense 2. Master the use of present continuous tense3.Learn how to distinguish the differences of be doing, will do and be going to do.一、现在进行时表将来1.用位移动词位移动词是表示位置移动的动词，一般可以用现在进行时表示在最
2、近按计划或安排要发生的动作。位移动词的进行时可以表示将来的动作，但指的是不久的将来。例如：go, come, leave, arrive, fly, land, start, return, join, die等。Were leaveing for Beijing this evening.The train is coming soon.The plane is arriving in 10 minutes.飞机将在10分钟内到达。2.还有一些非位移动词也可用现在进行时表示将来，如do，buy，meet，have，play，spend等，此时句中一般要有表示将来的时间状语。The old l
3、ady is meeting her old friend this afternoon.They are spending their summer holiday in Yunnan.3. 现在进行时可以表示反复性、一贯性动作的用法。与always，constantly，all the time等副词(短语)连用时，常用来表示赞扬、生气、不满、厌恶等感情色彩。He is always late for school.She is constantly changing her mind.二、其他表将来的表达方式1.will/shall do表将来will/shall do表示单纯的未来，对
4、未来事情的预见性；will do还可以表示事先未经过考虑的打算或计划，说话时才想到可决定的事。She will come back tomorrow.Where is the telephone book？Ill go and get it for you.2.be going to do表将来表示打算、计划、安排或已经决定要做某事；还可表示根据某种迹象表明将要发生的事。We are going to watch the basketball game this afternoon.Look at the dark clouds！Its going to rain.3.be to do表将来表
5、示按计划中约定的或按职责、义务、要求必须去做的事或即将发生的动作。He is to be back by 6 oclock. Otherwise, his mother would be angry.4.be about to do表将来意为“刚要，正要”，表示即将发生_的动作，不与具体时间连用。We are about to go into the room.句式：be about to do sth. when .正要做某事，这时.5.一般现在时表将来表示按照日程表或时刻表的安排要发生的事，如火车(汽车)出发、船只离岸、飞机起飞等，用于时间和条件状语从句中。The plane leaves
6、 at 11：00 pm.。If it is fine tomorrow, I will go to visit my uncle.巩固练习She _ for America tonight.她今晚将动身去美国。When _ off for your holiday?你什么时候动身去度假？What _ tomorrow?明天你打算干什么？My mother _ me a book soon.我妈妈不久将给我买一本书。I _ you this afternoon.我下午见你。I _ a book this year.我打算今年出一本书。答案：is leaving are you setting
7、are you doing is buying am meeting am publishing用所给词的适当形式填空。1. Ladies and gentlemen, please fasten your seat belts. The plane_ (take off). 2. The train from Beijing to Xian _ (arrive) at 3:00 p.m. 3. Are you still busy? Yes, I_ (finish) my work, and it wont take long. 4. My uncle _(come) to see me. Hell be here soon. 5. At this time tomorrow, we _ (fly) over the Atlantic. 答案：is taking off is arriving am finishing is coming are flying3学科网（北京）股份有限公司